JPH11118832A - Measuring device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily, rapidly and surely input the numerical values or the like when the operating conditions or the like are set, by displaying an image plane displaying key functions, on a display part, when the functions of plural function variable keys are allocated to the numerical value assigning functions, by a key function allocating part in a display control part. SOLUTION: An input key part comprises a key corresponding to a function variable key, and has a function for assigning a numeral and the symbols of operation, when a drawing 17 for setting the operating conditions is displayed on the display part 3. A function key part 5 comprises keys 5a-5e on which the functions corresponding to the operation of a device, are automatically allocated by a CPU. When the CPU acts as a key function allocating part, it allocates the assigning functions for assigning the numerals 0-9, and the symbols of operation such as +, -,., E, to each key of the input key part, and allocates the functions corresponding to the operating condition of the device, to the keys 5a-5e of the function key part 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a measurement system in which operating conditions of an apparatus can be set by inputting numerical values, operation symbols, and the like using a plurality of function variable keys provided on an operation unit. It concerns the device.

[0002]

2. Description of the Related Art As a measuring device of this kind, the applicant has disclosed FIG.
Has been already developed. The waveform recording device 51 includes an operation unit 2 having a plurality of switches for setting operating conditions of the device, and a signal waveform input to the device and a screen for setting operating conditions. And a display unit 3.

The operation unit 2 includes an input key unit 4, a function key unit 5, a cursor movement key unit 6, a jog 7, a SY
A STEM key 8, a DISP key 9, a HELP key 10, a SHIFT key 52, and the like are provided. Here, the input key unit 4 includes keys 4a to 4p, and these keys 4a to 4p function as range switching keys for switching an input range of a range amplifier (not shown) at the initial stage of power-on. And, when the SHIFT key 52 is operated, it functions as a numerical value etc. designation key for designating numerals "0" to "9" and operation symbols "+""-"".""E". . The function key unit 5 has keys 5a to 5e that are automatically assigned to various functions according to the operation state of the apparatus. The cursor movement key unit 6 includes keys 6a to 6d for moving a cursor displayed on the display unit 3 up, down, left, and right.
The jog 7 functions as a numeric setting dial when setting the operating conditions of the apparatus. The SYSTEM key 8
It has a function of displaying an operation condition setting screen for setting operation conditions of the apparatus on the display unit 3. DISP key 9
Functions as a display screen switching key for switching the display screen of the display unit 3 from the operation condition setting screen to the waveform display screen. The HELP key 10 has a function of displaying an explanation screen for explaining an operation method and the like on the display unit 3. The SHIFT key 52 has a function of alternately switching the keys 4a to 4p of the input key unit 4 to a range switching function or a numerical value designation function each time the operation is performed.

In this measuring apparatus, when a power switch (not shown) is turned on, an initial screen shown in FIG. 1 is displayed on the display unit 3, and a measurement signal is inputted through a measuring probe (not shown). The display 3 displays a signal waveform. At this time, when setting or changing the operating conditions of the apparatus, first, the SYSTEM key 8 is operated a predetermined number of times to display the already set operating conditions of the apparatus or to newly set the operating conditions as shown in FIG. Is displayed on the display unit 3, and for example,
A cursor 31 is displayed at the “conversion ratio setting” portion on the screen. In this state, the cursor movement key unit 6
The cursor 31 is displayed on the display unit 3 by using the respective keys 6a to 6d.
To the numeric value shown in the
A numerical value up function and a numerical value down function are automatically assigned to both keys 5a and 5b of the function key section 5,
As shown in FIG. 8, arrow displays 12a and 12b respectively corresponding to the functions after the assignment are displayed on the display unit 3.

In this case, numerical values and the like as operating conditions can be changed by using one of the following two operation methods. In the first operation method, the function key unit 5
Using the keys 5a and 5b. In this case, the key 5a
Alternatively, the key 5b is used to move the cursor 3 according to the number of operations.
For the numerical value of the part where 1 is displayed, “1”,
"2", "3", "4", "5", "6", "7",
A function is provided that can be changed in the forward or reverse direction in the order of "8", "9", "0", "+", "-", ".", And "E". Therefore, for example, if the numerical value before the change is “4”, the numerical value is
Each time a is pressed, "5", "6", "7", "8",
..., and each time the key 5b is pressed once,
Are changed to “3”, “2”, “1”, “E”, “.”,. More specifically, the numerical value “+ 1.2760E + 0” displayed on the display unit 3 shown in FIG.
When changing to "1.2707E + 0", first, the key 6b of the cursor movement key section 6 is pressed a predetermined number of times, and the numerical value "+ 1.2760E +" corresponding to channel 1 (ch = 1) is pressed.
The cursor 31 is moved to the numerical value “6” at “0”.
Next, the numerical value "6" is changed to "0" by pressing the key 5a of the function key section 5 four times or pressing the key 5b ten times. Next, after the cursor 31 is moved to the next digit by operating the key 6d, similarly, the numerical value "0" is changed to "7" by operating the key 5a or 5b of the function key section 5.

On the other hand, the second method is performed using the input key unit 4. Specifically, first, by operating the SHIFT key 52 once, the function of the input key unit 4 is assigned to a numerical value etc. designation function. Next, the cursor 31 is moved to a numerical value or the like to be changed using the keys 6a to 6b of the cursor movement key unit 6. Next, for example, to change the numerical value “6” to the numerical value “0”, the key 4 corresponding to the numerical value “0”
Press j to change the value. Subsequently, in order to change the numerical values of the other digits, the cursor moving key unit 6 is similarly operated.
After moving the cursor 31 by operating the key 6d of
The numerical values are changed using the keys 4a to 4j of the input key unit 4.

After the numerical value is changed by one or both of the above two setting methods, the display screen of the display unit 3 is switched to another operating condition setting screen by operating the SYSTEM key 8 or the DISP When the screen is switched to the waveform display screen by operating the key 9, the operating conditions of the apparatus are automatically set based on the changed numerical values and the like.

[0008]

However, the waveform recording device 51 developed by the applicant has the following points to be improved. That is, the waveform recording device 51 can use the above-described two setting methods when setting the above-described operating conditions and the like. However, in the first setting method, numerical values and the like can be surely changed, but on the other hand, since many keys 5a or 5b of the function key section 5 must be operated, complicated operations are required and quick operation is performed. There is a problem that it is difficult to set conditions. On the other hand, in the second setting method, a numerical value can be set immediately by operating one of the keys 4a to 4p in the input key unit 4 once.
Is better than the setting method. However, when the SHIFT key 52 is operated, it is difficult for the measurer to immediately understand what numerical value or the like is assigned to each of the keys 4a to 4p. In this case, by printing in advance a numerical value or the like for understanding the assigned function on the button surface of each key 4a to 4p or the lower panel of the button, the function is understood by the measurer. It is possible. However, even in such a case, it is difficult for the measurer to immediately understand whether the function of each key 4a to 4p is assigned to the range switching function or the numerical value designation function. For this reason, in some cases, the numerical value cannot be set in spite of the fact that the measurer intends to specify a numerical value or the like, so that the reliability of the operation is inferior to the first setting method.

The present invention has been made in view of such improvements, and provides a measuring apparatus capable of easily, quickly and reliably inputting numerical values and the like when setting operating conditions and the like. Its main purpose is to:

[0010]

According to a first aspect of the present invention, there is provided a measuring apparatus comprising: a function variable key capable of assigning two or more functions including a numerical value designating function for designating a numerical value or an operation symbol; , A key function assignment unit that assigns a plurality of function-variable key functions to numerical value designation functions when a predetermined operation is performed, and a function assigned to the numeric value designation function by the key function assignment unit An operating condition setting unit configured to set operating conditions of the apparatus in accordance with a key operation using a variable key; and a display control unit configured to display an operating condition display screen indicating the operating conditions set by the operating condition setting unit on a display unit. In the measuring device, when the functions of the plurality of function-variable keys are assigned to the designated functions such as numerical values by the key function assigning unit, each of the values of the plurality of function-variable keys is Wherein the displaying the screen for the key function display indicating the designated function to the display unit.

In this measuring apparatus, when the function of the function variable key is assigned to the function of designating a numerical value or the like by the key function assignment unit, the display control unit displays the assigned function on the display unit. Therefore, it becomes possible for the measurer to immediately and surely understand the current function assigned to the function variable key having two or more functions including the numerical value designating function. At the same time, by using the function variable keys, the operating conditions of the apparatus can be set quickly and easily.

According to a second aspect of the present invention, in the measurement apparatus according to the first aspect, the display control unit displays a key arrangement of a plurality of function variable keys on a key function display screen together with a numerical value designation function. It is characterized by.

As long as the function assigned to the function variable key is displayed on the display unit, it is possible for the measurer to understand the current function of the function variable key. Therefore, the display of the assigned function only needs to clearly show the correspondence between each key and the function, and the display can also be made by characters. In this measuring device, the key arrangement of the function variable keys and the assigned functions are displayed together on the display unit.
Therefore, it is possible for the measurer to understand at a glance the position of each function variable key and its function.
In addition, the inventor can operate the function variable key while looking at the key arrangement displayed on the display unit.
It is possible to improve the reliability of the operation.

According to a third aspect of the present invention, in the measuring apparatus according to the second aspect, at least a part of the plurality of function variable keys is operated on the display unit except for some of the function variable keys. It is characterized by being arranged at a position sandwiching the means.

When all of the plurality of function-variable keys are arranged adjacent to the display unit, only the display of a function for designating a numerical value or the like is displayed at a position facing each function-variable key on the display unit. It is possible for the measurer to immediately specify the relationship between the variable key and its numerical value designation function. On the other hand, in such a display method, at least a part of the plurality of function variable keys is
When they are arranged at positions sandwiching operation means such as other function variable keys and other operation keys, it is difficult to immediately specify the relationship between the two. In this measuring device, a numerical value designating function is displayed on the key function display screen together with the key arrangement, so that the relationship between the two can be immediately specified by the measurer.

According to a fourth aspect of the present invention, in the measurement apparatus according to any one of the first to third aspects, the display control unit performs measurement on a display portion of the key function display screen on the display unit during measurement. The result is displayed.

In this measuring device, the display portion of the key function display screen on the display section also serves as a display screen for displaying a measurement result such as a signal waveform and a measured value. Therefore, it is possible to display the key function display screen on the display unit without increasing the size of the display unit.

According to a fifth aspect of the present invention, in the measurement apparatus according to any one of the first to fourth aspects, the display control section is configured to set an operating condition for setting an operating condition when a predetermined operation is performed. The setting screen is displayed on the display unit, and the key function allocating unit allocates the functions of the plurality of function variable keys to the numerical value designation function when the operation condition setting screen is displayed on the display unit. .

In this measuring device, when the operating condition setting screen is displayed on the display unit, the function of the function variable key is assigned to the numerical value designation function by the key function assignment unit.
The function of each function variable key is displayed on the display unit. Therefore, the measurer immediately takes no action,
The operating conditions can be specified on the operating condition setting screen using the function variable keys.

According to a sixth aspect of the present invention, in the measuring device according to the fifth aspect, the operation unit includes a copy key for copying the operating condition displayed on the operating condition display screen to the operating condition setting screen. And a determination key for determining the copied operating conditions. The display control unit displays the display contents on the operating condition display screen on the operating condition setting screen in accordance with the operation of the copy key, and sets the operating condition setting. The unit sets the operating condition to the operating condition displayed on the operating condition setting screen according to the operation of the enter key.

Each of the numerical values and the like on the operating condition setting screen may be newly set or changed using the function variable keys. However, when a part of the operating conditions that have already been set is to be changed. In this case, the operation of newly specifying all numerical values and the like is complicated. In this measuring device, when a part of the preset operating condition is to be changed, the operating condition displayed on the operating condition display screen is copied to the operating condition setting screen by using a copy key, and after copying, Change some of the operating conditions. Next, the operating condition displayed on the operating condition setting screen is determined using the enter key. Thus, the operating condition setting unit sets the operating condition of the device to the operating condition displayed on the operating condition setting screen. As described above, in this measuring device, it becomes possible to easily set the operating conditions as compared with setting all the operating conditions newly.

According to a seventh aspect of the present invention, in the measurement apparatus according to the sixth aspect, when the numerical value and the operation symbol are displayed on the operation condition setting screen by the display control unit in accordance with the key operation of the plurality of function variable keys. A calculation unit for performing calculation based on the displayed numerical value and calculation symbol, the display control unit displays the calculation result by the calculation unit on an operation condition setting screen, and the operation condition setting unit uses a key of a confirmation key. According to the operation, the operating condition is set based on the calculation result displayed on the operating condition setting screen.

By using the copy key to copy the operating condition displayed on the operating condition display screen to the operating condition setting screen, the setting of the operating condition is also facilitated. On the other hand, when trying to set a new operating condition by adding a constant or the like to the already set operating condition, the measurer himself has to calculate the new operating condition. At this time, the new set value may be completely different from the existing set value, and in such a case, setting of a new operation condition becomes complicated. In this measuring device, the set operating conditions displayed on the operating condition display screen are copied to the operating condition setting screen, and numerical values and operation symbols are input to the operating conditions after copying using the function variable keys. I do. With this, the calculation unit calculates based on the numerical value and the calculation symbol displayed on the operation condition setting screen, and after confirming with the confirmation key, the operation condition setting unit performs the calculation displayed on the operation condition setting screen. Set operating conditions based on the results. This makes it possible to set operating conditions very easily.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which a measuring device according to the present invention is applied to a waveform recorder will be described below with reference to the accompanying drawings. The same components as those of the waveform recording device 51 already developed by the applicant are denoted by the same reference numerals, and redundant description will be omitted.

FIG. 2 is a block diagram showing the configuration of the waveform recording device 1. As shown in FIG.
In addition to the operation unit 2 and the display unit 3 described above, a range amplifier 21, an A / D conversion unit 22, a DMA (Direct Memory Ac
cess) Controller 23, data RAM 24, CPU2
5, a ROM 26, a RAM 27, a printer 28, and an interface unit 29. Hereinafter, each component will be described in detail.

As shown in FIG. 1, the operation section 2 includes an input key section 4, a function key section 5, a cursor movement key section 6, a jog 7, a SYSTEM key 8, a DISP key 9,
A HELP key 10, a COPY key 11, and the like are provided. These components and keys have basically the same functions as those of the waveform recording device 51 that has already been developed by the applicant, and therefore, different functions will be mainly described below. The input key section 4 includes keys 4a to 4p corresponding to function variable keys according to the present invention.
When an operating condition setting screen 17 (see FIG. 4) for setting an operating condition of the apparatus is displayed on the display unit 3, it functions as a range switching key for switching the input range of No. 1. The CPU 25 automatically assigns a function as a key for specifying numerical values and the like for specifying “0” to “9” and the operation symbols “+”, “−”, “.”, And “E”. The function key unit 5 includes keys 5a to 5e to which various functions according to the operation state of the apparatus are automatically assigned by the CPU 25. The functions of the assigned keys 5a to 5e are displayed on predetermined portions of the display unit 3 facing the keys 5a to 5e. The COPY key 11 has a function of printing screen information displayed on the display unit 3 by the printer 28. On the other hand, the display unit 3 is configured by an LCD panel, and displays a waveform display screen for displaying a signal waveform of the input signal SIN, an operation condition setting screen 17, and the like. In addition, the display unit 3 may be configured by a cathode ray tube (CRT) or the like.

The range amplifier 21 amplifies or attenuates the input signal SIN of the input signal to be measured under a predetermined gain under the control of the CPU 25 and outputs the signal to the A / D converter 22.
The A / D converter 22 performs analog-to-digital conversion of the input signal SIN amplified or attenuated by the range amplifier 21 in synchronization with a predetermined sampling signal.
The waveform data DS is generated. DMA controller 23
Is the waveform data D generated by the A / D converter 22.
S is directly transferred to the data RAM 24. Data RAM2
Reference numeral 4 denotes a storage RAM, which stores the waveform data DS in a ring system.

The CPU 25 corresponds to a key function allocating unit, an operation condition setting unit, a display control unit, and a calculation unit in the present invention. Specifically, when functioning as the key function allocating unit, the CPU 25 displays the operation condition setting screen 17 on the display unit 3.
, The numbers “0” to “9” and the operation symbol “+” are assigned to the respective keys 4 a to 4 p of the input key unit 4.
A function for designating numerical values, such as "-", ".", "E", is assigned.
Functions corresponding to the operation status of the apparatus are assigned to a to 5e. When functioning as the operating condition setting unit, the CPU 25 sets the operating conditions of each unit based on the set values set on the operating condition setting screen 17. Further, when functioning as a display control unit, the CPU 25 displays the operation condition setting screen 17 and the operation condition display screen 19, and sets the input signal SIN according to the operation condition set by a predetermined operation. The part is displayed on the display unit 3 or the keys 4a to 4p and the keys 5a to 5
The function assigned to e is displayed on the display unit 3. When the CPU 25 functions as an arithmetic unit, the CPU 25 analyzes the arithmetic expression input into the operating condition setting screen 17 with the keys 4a to 4p based on the syntax analysis program, and then determines that the arithmetic expression is correct. , And its arithmetic expression. At this time, the CPU 25 displays a numerical value as a result of the calculation on the operating condition setting screen 17.

The ROM 26 stores an operation program of the CPU 25, a syntax interpretation program, and explanatory data corresponding to the operation explanation of the apparatus, and the RAM 27 temporarily stores the set operation conditions of the apparatus and the calculation results of the CPU 25. To memorize. The printer 28 hard copies the waveform display screen of the input signal SIN, the operation condition display screen 19, and the like under the control of the CPU 25. Further, the interface unit 29 exchanges output data DOUT and input data DIN with a memory card, a PC card, an RS232C communication board, or the like as an external device.

Next, the procedure for setting operating conditions for the overall operation of the waveform recording apparatus 1 will be mainly described.

First, when the power switch (not shown) is turned on to start the apparatus, an initial screen shown in FIG. In this state, if the input signal SIN is input via a measurement probe (not shown), the signal waveform is displayed on the display unit 3 in accordance with the preset operation conditions of the apparatus. At this time, in order to perform scaling for changing and setting the unit assigned to the scale in the voltage axis direction (vertical direction) of the display unit 3 as the operation condition of the apparatus, first, SYS
By operating the TEM key 8 a predetermined number of times, the operating condition display screen 19 shown in FIG. At this time, the “Conversion ratio setting” is displayed on the operation condition display screen 19.
The cursor 31 is displayed at the site of. Next, the cursor 31 is moved to the preset numerical value portion using the keys 6a to 6d of the cursor movement key section 6. At this time, the CPU 2
Numeral 5 assigns a numerical value up function, a numerical value down function, a direct setting function, and a clear function to the keys 5a to 5c and the key 5e of the function key unit 5, respectively.
As shown in FIG. 3, arrow displays 12a and 12b indicating functions assigned to the respective keys 5a to 5c and 5e and a function display 1
3a and 13b are displayed on predetermined portions of the display unit 3.

In this case, it is possible to change and set the numerical value of the conversion ratio setting using the keys 5a and 5b of the function key section 5 in the same manner as the setting method in the waveform recording device 51 which has been already developed by the applicant. However, here, a method of inputting using the keys 4a to 4p of the input key unit 4 will be described. In this case, first, the function key unit 5
Is pressed, the CPU 25 causes the input key unit 4 to be pressed.
Numerical value designation functions are automatically assigned to the keys 4a to 4p, and as shown in FIG. 4, a key function display screen 18 showing the assigned functions and the arrangement state of the keys 4a to 4p is displayed. It is displayed on the display unit 3. As a result, the measurer inputs the numerical values “1”, “2”, “3”, “4”, “5”, “6”, “4” to the keys 4a to 4h and 4i to 4n.
Immediately understand that the functions to specify "7", "8", "9", "0" and the operation symbols "+", "-", ".", "E" have been assigned, respectively. Can be
Moreover, each key 4a to 4h corresponding to a numerical value to be input,
The positions of 4i to 4n can be understood at a glance. At the same time, as shown in the figure, the CPU 25 moves and displays the cursor 31 so as to be positioned over the entire set numerical values, and displays the operation condition setting screen 17 for setting new operation conditions. Is displayed on the display unit 3 and the cursor 3 is positioned at a predetermined position in the operation condition setting screen 17.
1a is displayed. In addition, the CPU 25 assigns an existing value copy function, a delete function, an all clear function, a cancel function, and a decision function to each of the keys 5a to 5e of the function key unit 5, and displays displays 14a to 14e indicating the respective functions. It is displayed on a predetermined portion of the display unit 3.

As a result, the measurer can directly specify the numerical value to be set in the operating condition setting screen 17 by using the keys 4a to 4h and 4i to 4n. Specifically, the numerical value “+ 1.0000E + 0” is replaced with the numerical value “+2.00
00E + 0 ”, the keys 4a to 4h, 4i
Cursor 4 in the operating condition setting screen 17 using
After inputting each numerical value in order at the display position of 1a, the key 5e for confirmation is operated. As a result, the set numerical values are displayed on the operating condition setting screen 17 and the operating condition display screen 19 as shown in FIG. Thereby, the CPU 25
The operating conditions of each unit are set based on the changed set value.

At this time, by using the existing value copy function assigned to the key 5a, the set values displayed in the operating condition display screen 19 are copied to the operating condition setting screen 17, It is also possible to change and set by modifying the copied numerical value. Specifically, first, when the key 5a is operated in the state shown in FIG.
Numerical value “1.000E + 0” is the operating condition setting screen 17
Is copied to Next, the cursor 31a is moved to the display position of the numerical value to be changed using each key of the cursor moving key section 6, and the desired numerical value is overwritten using the keys 4a to 4h and 4i to 4n. After this, the key 5 for confirmation
By operating e, the changed numerical value is displayed on the operation condition setting screen 17 and the operation condition display screen 19.

Further, an arithmetic expression can be input to the operating condition setting screen 17. In this case, using the existing value copy function together is effective when adding an offset value to the already set value. For example, the preset value is changed to “+1.
0000E + 0 ”and adding the offset value“ 0.25 ”, first, in the state shown in FIG.
By operating a, the numerical value designated by the cursor 31 is copied to the operating condition setting screen 17. Subsequently, the keys 4a to 4h and 4i to 4n corresponding to the numerical value and the operation symbol "+0.25" are sequentially operated. As a result, “+ 1.0000E +
0 + 0.25 "is displayed. Here, the key 5 for confirmation
By operating e, the CPU 25 changes the arithmetic expression input to the operating condition setting screen 17 to “(+1.0000) in accordance with the syntax interpretation program stored in the ROM 26.
E + 0) + (0.25) ". In addition,
If there is an error in the arithmetic expression, the CPU 25 displays an error in the operating condition setting screen 17. When the arithmetic expression is correct, the CPU 25 displays “+ 1.2500E + 0” corresponding to the arithmetic result on the operating condition setting screen 1.
7 and the operating condition display screen 19. Thus, the measurer can very easily set the target value without having to calculate by himself. Thereafter, by operating the DISP key 9 in the operation unit 2, the unit assigned to one scale in the voltage axis direction of the display unit 3 is automatically changed, and the scaling is completed. As shown in FIG.
The signal waveform W1 of the input signal SIN is displayed on the display unit 3.

The present invention is not limited to the above-described embodiment. For example, the key function display screen of the present invention is displayed with a pattern imitating the input key section 4 in this embodiment. It is sufficient if the correspondence between the positions of the keys 4a to 4p and the assigned functions is clear, and various displays can be adopted. Further, the present invention is not limited to the operation procedure and the like shown in the present embodiment, and can display a key function display screen, an operation condition display screen, an operation condition setting screen, and the like in various procedures. is there.

[0037]

As described above, according to the measuring device of the first aspect, when the display control unit assigns the function of the plurality of function variable keys to the numerical value designation function by the key function assignment unit, By displaying a key function display screen showing the assigned functions such as numerical values on the display unit,
The measurer can immediately and surely understand the current function assigned to the function variable key.
This allows the measurer to quickly and easily set the operating conditions of the apparatus using the function variable keys.

According to the measuring device of the second aspect,
The display control unit displays the key arrangement of a plurality of function variable keys on the key function display screen together with each numerical value designation function, so that the operator can see at a glance the position of each function variable key and its function. Can understand. In addition, since the function-variable keys can be operated while looking at the displayed key arrangement, the reliability of the operation is improved.

Further, according to the measuring device of the third aspect, when at least a part of the plurality of function variable keys is arranged at a position sandwiching other operation means with respect to the display unit, the key arrangement is made. In addition, by displaying the numerical value designating function on the key function display screen, the operator can immediately specify the relationship between each function variable key and the numerical value designating function.

According to the measuring device of the fourth aspect,
The display control unit displays the key function display screen on the display unit without increasing the size of the display unit by displaying the measurement result at the time of measurement on the display portion of the key function display screen on the display unit. As a result, the display unit can be effectively used.

Further, according to the measuring device of the present invention, when the operation condition setting screen is displayed on the display unit, the key function allocating unit changes the function of the plurality of function variable keys to a numerical value designation function. By the assignment, the measurer can specify the operating conditions quickly and extremely easily without performing any operation.

According to the measuring device of the sixth aspect,
By using the copy key and the confirmation key, the set operating conditions can be changed and set very easily.

Further, according to the measuring device of the present invention, the preset operating conditions displayed on the operating condition display screen are copied to the operating condition setting screen, and the operating conditions after the copying are represented by numerical values or values. By inputting the operation symbol, the operation condition setting unit sets the operation condition based on the operation result calculated by the operation unit, so that the measurer can quickly and extremely easily set the operation condition.

[Brief description of the drawings]

FIG. 1 is an external view of a waveform recording device according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a waveform recording device according to the embodiment of the present invention.

FIG. 3 is a display screen diagram in a state where an operation condition display screen is displayed on a display unit of the waveform recording apparatus according to the embodiment of the present invention.

FIG. 4 is a display screen diagram in a state where a key function assignment display screen is displayed on a display unit of the waveform recording apparatus according to the embodiment of the present invention.

FIG. 5 is a display screen diagram showing a state in which set values determined in the waveform recording apparatus according to the embodiment of the present invention are displayed on an operation condition setting screen and an operation condition display screen.

FIG. 6 is a display screen diagram in a state where a signal waveform is displayed on a display unit of the waveform recording device according to the embodiment of the present invention.

FIG. 7 is a display screen diagram showing a state in which an operation condition display screen is displayed on the display unit of the waveform recording device already developed by the applicant and the waveform recording device according to the embodiment of the present invention.

FIG. 8 is a display screen diagram in a state where an operating condition display screen and an arrow display are displayed on a display unit of a waveform recording apparatus already developed by the applicant.

FIG. 9 is an external view of a waveform recording device already developed by the applicant.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Waveform recording device 2 Operation part 3 Display part 4 Input key part 4a-4p key 5 Function key part 5a-5e key 6 Cursor movement key part 6a-6d key 17 Operation condition setting screen 18 Key function display screen 19, 20 Operating condition display screen 25 CPU

Continued on the front page (51) Int.Cl. ⁶ Identification symbol FI G01R 13/22 G01R 13/22 J

Claims (7)

[Claims] An operation unit having a plurality of function variable keys to which two or more functions including a numerical value designation function for designating a numerical value or an operation symbol can be assigned; A key function allocating unit for allocating a function of a function variable key to the numerical value specifying function, and an operation of setting an operation condition of the apparatus according to a key operation by the function variable key allocated to the numerical value specifying function by the key function allocating unit A measuring device comprising: a condition setting unit; and a display control unit configured to display an operation condition display screen indicating the operation condition set by the operation condition setting unit on a display unit, wherein the display control unit includes the key When the functions of the plurality of function variable keys are assigned to the numerical value specifying functions by the function allocating unit, the numerical value specifying functions of the plurality of function variable keys are assigned. Measuring apparatus characterized by displaying the to key function display screen on the display unit. 2. The key function display screen according to claim 1, wherein the display control unit displays a key arrangement of the plurality of function variable keys together with the numerical value designating functions on the key function display screen.
The measuring device as described. 3. The display device according to claim 2, wherein at least a part of the plurality of function-variable keys is arranged at a position sandwiching other operation means except for the some function-variable keys with respect to the display unit. The measuring device according to claim 2. 4. The apparatus according to claim 1, wherein the display control unit displays the measurement result on a display portion of the key function display screen on the display unit at the time of measurement. The measuring device as described. 5. The display control unit, when a predetermined operation is performed, displays an operation condition setting screen for setting the operation condition on the display unit, and the key function assignment unit includes:
The measurement according to any one of claims 1 to 4, wherein when the operation condition setting screen is displayed on the display unit, functions of the plurality of function variable keys are assigned to the numerical value etc. designation function. apparatus. 6. A copy key for copying the operation condition displayed on the operation condition display screen to the operation condition setting screen, and the copied operation condition is determined. The display control unit displays the display content on the operation condition display screen on the operation condition setting screen in accordance with the operation of the copy key, and the operation condition setting unit 6. The operating condition set to the operating condition displayed on the operating condition setting screen according to a key operation.
The measuring device as described. 7. When the numerical value and the operation symbol are displayed on the operation condition setting screen by the display control unit according to a key operation of the plurality of function variable keys, the displayed numerical value and the operation symbol are displayed. The display control unit displays the calculation result by the calculation unit on the operation condition setting screen, and the operation condition setting unit performs the operation condition according to a key operation of the confirmation key. The measuring device according to claim 6, wherein the operating condition is set based on a calculation result displayed on a setting screen.