JP2000020223A - Electronic cash register - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic cash register capable of easily changing the display of the key sheet of a keyboard. SOLUTION: The electronic cash register equipped with the keyboard having the key sheet which is placed on the top surface of the keyboard main body where many switches are arranged and has an operation area where the functions of the said keys are displayed corresponding to the switches is provided with a format memory (format data file 51) storing format data of the key sheet, a display information memory (character information file 52, color information file 53, and language information file 54) having stored display information on characters, etc., displayed in the operation area, and an editing means (editing work area 55). With switches (numeric keys 22a, etc.), for setting provided to the keyboard 10, characters, etc., displaying the functions of the corresponding switches are set in the operation area and the format of the key sheet is edited to easily display the keys.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic cash register, and more particularly, to a key sheet for displaying the function of each key switch according to the setting / change of the function of the key switch provided on a keyboard. Related to what can be created.

[0002]

2. Description of the Related Art A conventional electronic cash register 10 is disclosed.
0, a keyboard 110 is provided on the front upper surface of the housing 102 as input means for inputting data such as the number of items to be sold and the price, as shown in FIG. A display unit 103 for displaying the sales amount, change, etc. of the product is provided at the rear end upper surface, a receipt issuing port 104 for issuing a receipt is provided at the middle part, and a front surface is provided at the lower part. The drawer 105 is provided so as to be able to be pulled out toward the. Further, a display unit 106 for a customer is attached to the upper rear end of the housing 102.

[0003] Then, while registering the amount, quantity and the like of the product purchased by the customer from the keyboard 110,
After inputting the amount deposited by the customer, the receipt issued by operating the closing key is handed to the customer together with the change to perform the accounting process.

The keyboard 110 used in the conventional electronic cash register 100 is used.
Is a flat base 111 as shown in FIG. 7, a number of switches (not shown) arranged in a matrix inside the base 111, these switches are operated, and the upper end surface of the base 111 is A keyboard body 115 comprising an operation piece 112 (hereinafter, referred to as a key) (only a part is shown in FIG. 7) which is an operating part disposed so as to be substantially flush with the upper surface, and the keyboard body 11
The key sheet 120 is mounted on the upper surface of the keypad 5 and has an operation area 121 which is partitioned and formed corresponding to the upper end surface of each key 112 and displays the function of the switch. The operation area 121 indicates an area where the key 112 is pressed with a fingertip to operate or press the key 112.

The keyboard body 115 and the key sheet 12 placed on the upper surface of the keyboard body 115
0 is covered by a keyboard cover (simply called a cover) 130.

In FIG. 7, reference numeral 113 denotes a signal line, that is, a lead line.

The key sheet 120 is made of paper or the like. In the operation area 121 of the key sheet 120, the keys 112 corresponding to the keys 112 when placed on the keyboard body 115, ie, the functions of the switches, product names, etc. Are printed. Also, the cover 130
Is composed of a transparent thin sheet member having flexibility to prevent the key sheet 120 from being dirty or damaged.

A number of switches arranged on the keyboard main body 115 are assigned as ten-key switches for setting the number, a plurality of function key switches, and a number of section key switches corresponding to the section or product name of each product. The functions or names of the switches assigned in this manner are printed as letters, numbers or symbols in the operation area 121 of the key sheet 120 as described above, and the key sheet 120 is printed on the upper surface of the keyboard body 115. On the operation area 12
Input is performed while looking at the display of 1.

Conventionally, the key sheet 120 is
A blank area is prepared in correspondence with a spare switch that is used by a user (end user) to designate or allocate a part of the operation area 121 as a unique product, and the blank operation area is prepared. A switch corresponding to 121 can be assigned to the unique product. When the user assigns his / her own product to the spare switch, the user writes the product name or the like with a pen or the like in the blank operation area 121 and displays it.

[0010] However, in this case, the user has to perform the writing by himself, and the appearance is not preferable. Also, when a switch once assigned is assigned to another product, the name of a newly assigned product cannot be written.

In an electronic cash register intended for foreign countries, the name (printed in characters) to be printed in the operation area 121 is standardized by the manufacturer and is printed and displayed. On the other hand, in a foreign country, there are some countries where a plurality of languages are used in one country. In such a country, the characters displayed in the operation area 121 of the key sheet 120 are standardized and printed as described above. If you want to display in other languages, you cannot change the lettering.

[0012]

As described above, in the conventional electronic cash register, the user changes the name of the product or the like assigned to the switch corresponding to the operation area in the operation area of the key sheet. There was a problem that it was not possible to freely change it if you wanted to.

[0013]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and a first aspect of the present invention is to provide a base having a flat upper surface and an operating portion having substantially the same plane as the upper surface of the base. And a key sheet mounted on the upper surface of the keyboard main body and formed with a partition corresponding to each of the operating sections and having an operation area for displaying the function of the switch. It has a keyboard and, based on the product sales data entered from this keyboard, sums up the sales amounts in the sales total memory,
In an electronic cash register that prints the sales amount and the like and issues a receipt, a format memory storing the key sheet format data including the outer shape of the key sheet and an operation area, and an operation area in the operation area of the key sheet. A display information memory that stores display information such as characters and symbols used to display the functions of the corresponding switches, and a character / symbol attached to the operation area specified by a setting switch provided on the keyboard. Editing means for reading the specified characters / symbols or the like from the display information memory and editing the format by setting them in the operation area, wherein a setting switch provided on the keyboard is provided in the operation area of the format. Set the characters and symbols for displaying the function of the switch corresponding to It is obtained by the electronic cash register having a function of editing the Matto.

According to the first aspect of the present invention, there is provided a format memory for storing format data of a key sheet including an outer shape of the key sheet and an operation area, and a switch corresponding to the operation area in the operation area of the key sheet. A display information memory that stores display information such as characters and symbols used for displaying the function of the function, and the display information memory based on designation of characters and symbols attached to the operation area by operating a setting switch provided on the keyboard. Editing means for reading out the specified characters / symbols from the memory and setting the format in the operation area of the format, and editing the format; and setting the operation area by the setting switch provided on the keyboard in the operation area of the format. In the key sheet, set characters and symbols to display the function of the switch corresponding to this operation area. -Since the electronic cash register has an editing function to edit the mat, the function assigned to this switch in the key sheet operation area when assigning or changing each product etc. to the switch provided on the keyboard body, By setting a product name or the like, it is possible to easily perform assignment and the like.

According to a second aspect of the present invention, in the first aspect of the present invention, an electronic cash register provided with a printing device for printing the edited key sheet format on a key sheet printing medium. .

Thus, the invention according to claim 2 is the electronic cash register provided with a printing device for printing the format of the edited key sheet on the key sheet print medium in the invention according to claim 1. In addition to the function of the first aspect of the present invention, the key sheet can be printed immediately after editing.

According to a third aspect of the present invention, there is provided the electronic cash register according to the first or second aspect of the present invention, wherein the electronic cash register is provided with display means for displaying at least an edit location area of a format to be edited. .

As described above, the third aspect of the present invention is the electronic cash register according to the first or second aspect of the present invention, wherein the electronic cash register is provided with a display means for displaying at least an edit portion area of a format to be edited. In addition to the functions of the invention described in claim 1 or claim 2, since the editing can be performed in correspondence with the switch to be assigned while visually checking the editing location area of the format to be edited, that is, the operation area of the format, the editing can be performed without fail. is there.

According to a fourth aspect of the present invention, in accordance with the first to third aspects of the present invention, a character, a symbol or the like representing each function of a plurality of switches having a specific function in advance is used for this function. When it is represented by other characters or symbols, the electronic cash register is designed to edit these plural displays collectively.

As described above, according to the fourth aspect of the present invention, in the first to third aspects of the present invention, a character / symbol or the like representing each function of a plurality of switches having a specific function in advance is used for this function. When expressed by other characters, symbols, or the like, the plurality of displays are collectively edited. Therefore, in addition to the effects of the inventions according to claims 1 to 3, a plurality of related switches can be used. Since the display can be changed to another display at a time, the editing can be efficiently performed.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an electronic cash register according to an embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a perspective view of an electronic cash register 1. The electronic cash register 1 is provided with a keyboard 10 on a front upper surface of a housing 2 as shown in FIG. An indicator 3 for a cashier is provided at the rear of 10. Further, a receipt issuing port 4 for issuing a receipt is provided in the middle part, and a drawer 5 is provided in a lower part so as to be able to be pulled out toward the front. In addition, a customer display 6 is attached to an upper rear portion of the housing 2.

An ink-jet printer 9 as a printing device is arranged at the upper rear end of the housing 2. The ink-jet printer 9 prints necessary information such as the name of the sold product and the amount of money on the receipt, and , A4
It can be printed on paper up to about the size,
It can print a large receipt and a key sheet to be described later.

A business mode setting key 7 for selecting and setting various services such as "registration", "check", "clearing", and "setting" at a position near the keyboard 10, and a character editing mode, a color editing mode, An edit mode setting key 8 for setting a language edit mode is provided. The editing mode setting key 8 and the job setting key 7 may be constituted by one key.

Next, the configuration of the keyboard 10 will be described. This keyboard 10 is configured similarly to the above-mentioned conventional keyboard. That is, as shown in FIG. 2, a flat base 11, a large number of switches (not shown) arranged in a matrix inside the base 11, the switches are operated, and the upper end surface is placed on the base 11. A keyboard body 15 comprising a key 12 which is an actuating portion disposed so as to be substantially flush with the upper surface of the keyboard.
The keyboard body 15 includes a key sheet 20 made of a thin sheet member such as paper placed on the upper surface of the keyboard body 15.

As shown in FIG. 3, the key sheet 20 is assigned to the respective keys 12 corresponding to the keys 12 placed on the keyboard main body 15, that is, switches which are opened and closed via the respective keys 12. An operation area 21 in which characters, symbols, and the like representing functions, product names, and the like are printed is defined.

The cover 30 is formed of a transparent thin sheet member having flexibility to prevent the key sheet 20 from being stained or damaged. The cover 30 can see through the characters and symbols displayed in the operation area 21 of the key sheet 20. The switch can be operated by pressing the operation area 21 from the upper surface of the cover 30 with a fingertip. Things.

A number of switches arranged on the keyboard body 15 include a number key group 22 for setting a number, a plurality of function key switch groups 23, and a number of section keys corresponding to the section or product name of each product. The switch group 24 is assigned. The key sheet 20 corresponding to each of the switches assigned in this manner.
The operation area 21 is formed, and in each operation area 21, as shown in FIG. 3, a function, a character, a number, or a symbol for displaying a product name or the like assigned to each switch is printed (printed). Have been. That is, as shown in FIG. 3, for the numeric key group 22 for setting the numeral, ".", "0", "00", "1" to "9", and a plurality of function key switches For group 23, "AT / TL (deposit / current total)", "ST (subtotal)", "PIU (price look up)",
“1” to “14” for “C (clear)”, “MAT (total)”, etc., and for a large number of department key switches 24 corresponding to the department or product name of each product.
Is displayed as

The key sheet 20 is placed so as to correspond to the keys 12 corresponding to the operation area 21, and the key sheet 20 is covered by the cover 30 together with the keyboard body 15.

In FIG. 3, the characters and symbols such as the functions of the switches printed on the key sheet 20 are different depending on the model of each electronic cash register depending on the function or use. Since this is not directly related to the present invention, its description is omitted.

In FIG. 2, reference numeral 25 denotes a lead wire for transmitting an input signal of a switch provided on the keyboard body 15 to the keyboard controller 46.

Next, the configuration of the control device provided inside the housing 2 will be described with reference to the control block diagram of FIG.

As shown in FIG. 4, the control device includes a CPU (central processing unit) 40 containing an arithmetic circuit and the like, and a ROM (read only memory) 4 storing various control programs.
1. RAM (random access memory) 42 having a memory for storing various data, business mode setting key 7
And I to which a signal from the edit mode setting key 8 is input
An I / O port 43 for sending a drive signal to a printer drive circuit 49 for driving a printer 9 for printing out data such as a total amount on a receipt or the like; 3 and a display controller 45 for sending display data to the display 6, a keyboard controller 46 for inputting key data from the keyboard 10, and the like.

The edit mode setting key 8 is for setting a character edit mode, a color edit mode, and a language edit mode. The character edit mode is used for setting a name or the like displayed on the operation area 21 of the key sheet 20. The character is edited into the format of the key sheet 20 described later.
The color editing mode is a mode for editing the color of the operation area 21, and the language editing mode is for editing the functions, names, and the like of switches assigned to be commonly used in a plurality of countries. Editing is performed to replace the language (characters / symbols).

In this embodiment, the character edit mode is set by closing the edit mode setting key 8 and closing or pressing the numeral switch "1", and the numeral switch "2".
Is pressed to set the color editing mode, and by pressing the numeric switch "3", the language editing mode is set.

The ROM 41, RAM 42, I /
The O port 43, the I / O port 44, the display controller 45, and the keyboard controller 46 are connected to the bus line 4.
7, and is connected to the CPU 40.

As shown in FIG. 5, the RAM 42 has a format data file 51 as a format memory for storing four match data of the key sheet 20, and a character information file 5 as a display information memory.
2. a color information file 53 which is also a display information memory;
A language information file 54 and an editing work area 55, which are also display information memories, are provided.

The format data file 51 stores the external dimensions of the keyboard body 15 attached to the electronic cash register 1,
2, key sheet 20 outer dimensions, key sheet 20
Of the operation area 21 are set.

The character information file 52 includes a character code area (not shown) for storing character codes of various characters, and a character area provided corresponding to the character code area and storing characters corresponding to the character codes. It is composed of

The color information file 53 stores a color code corresponding to each color.

The language information file 54 includes a plurality of countries (in the case of this embodiment,
English, French, German, and Spanish) and a language table that sets codes corresponding to the languages. The English language table is entered by entering the British code "1",
Similarly, the original French table can be specified by entering the French code "2", the German language table by entering the German code "3", and the Spanish language table by entering the Spanish code "4". It has become.

In this embodiment, a key group (commonly referred to as a function key switch group 23) to which functions common to the respective countries are assigned, when one country is designated, the functions of the key group are changed. The languages to be displayed in the key group are collectively set in the language of each country so that characters to be displayed are edited in the language of the designated country at a time. Thus, by designating a certain country, the characters and the like indicating the functions of the function key switch group 23 are collectively edited in the language of the designated country.

When an editing mode is set by the editing mode setting key 8 and editing is instructed, the editing work area 55 has a key based on the format data and the character information, color information, and language information. It functions to set and edit characters, colors, languages, and the like to be printed on the operation area 21 of the sheet 20. The editing work area 55 and the CPU 40 constitute editing means.

Next, the editing operation of the electronic cash register 1 configured as described above will be described.
When assigning functions, names, etc. to each switch,
A setting switch for editing is first determined in advance, and setting is performed using the setting switch. The setting switch cannot be edited. In this embodiment, a switch corresponding to the numeric key 22a for inputting a numerical value of "0" to "9", a switch corresponding to the enter key (AT / TL (deposit / current total key)) 23a, and a correction key ("C ( Clear) key "23b
Is set as a setting key.

First, the case of character editing will be described. This character editing is performed, for example, when the user assigns his / her own product to a spare switch or changes the product already assigned, as described above.

First, the edit mode setting key 8 is set. When this setting is made, the format data is read from the format data file 51, and the format of the key sheet 20 is displayed on the screen of the display unit 3, which is a display unit.

Next, the switch to be assigned is specified by operating or pressing the key 12 of the switch to be assigned to the unique product. Next, the numeric switch "1" assigned as the character edit mode setting is pressed, and then the enter key 23a is pressed to enter the character edit mode. Next, when the code of the character to be displayed using the character code table is input using the numeric keys 22a, the character corresponding to the code is read from the character information file 52, and this character is displayed on the display unit 3. Is displayed in the operation area 21 corresponding to the specified key in the format of the key sheet 20 that has been set. After confirming this display, the character is confirmed by pressing the enter key 23a. Then, pressing the enter key 23a again ends the editing of this character.

Then, the input of the next character is continued in the same manner, and when all characters have been input, the editing is completed by pressing the enter key. At the time of this operation, the input characters are sequentially displayed in the operation area 21 of the format of the key sheet 20 displayed on the display 3, which ensures that an erroneous input at the time of input is performed. It can be prevented.

Next, the case of editing the color assigned to the operation area 21 of the key sheet 20 will be described. This color editing is performed when it is desired to improve the operability by distinguishing the color of the operation area 21 corresponding to a specific switch from the color of the operation area 21 of another switch.

When editing the color, the editing mode setting key 8 is first set to the setting state as in the case of the character editing. When this setting is made, the format data of the key sheet 20 is read from the format data file 51, and the format of the key sheet 20 is displayed on the screen of the display 3.

Next, the switch to be assigned is specified by pressing the key 12 of the switch for which the user wants to edit the color, that is, to add a color. Next, the number switch "2" assigned as the color edit mode setting is pressed, and then the enter key 23a is pressed to set the color edit mode. Next, the color code to be assigned using the color code table
3a, a color corresponding to the code is read out from the color information file 53, and the color corresponding to the designated key in the format of the key sheet 20 displayed on the display 3 is displayed. 21 is displayed. This display is confirmed, and then the confirmation key 23a is pressed to specify the color. Then, pressing the enter key 23a again ends the editing.

At the time of this operation, the input color is displayed in the operation area 21 of the format of the key sheet 20 displayed on the display unit 3. Input can be reliably prevented.

Next, a case where the language displayed in the operation area 21 of the key sheet 20 is edited will be described. Note that this language is edited when multiple languages are used in one country and the language displayed in one country is changed to the language in another country. is there. Each function display of the function key group 23 in which each function is now commonly assigned to each country is displayed in a language other than English, and an example in which these are edited in English will be described.

First, the edit mode setting key 8 is set. When this setting is made, the format data is read from the format data file 51, and the format of the key sheet 20 is displayed on the screen of the display 3.

Next, a switch to be assigned is specified by pressing each of the function keys whose display is to be changed. Next, press the number switch “3” assigned as the language editing mode setting, and then press the enter key 2
Press 3a to enter character editing mode. Next, when the country code to be changed using the country code table, that is, the code of the United Kingdom (in this case, “1”) is input by the numeric switch,
The country corresponding to the code, that is, the United Kingdom, is read from the language information file 54, and English, which is the English language, corresponds to the function key group 23 in the format of the key sheet 20 displayed on the display 3. It is displayed in the operation area 21. After confirming this display, the user presses the enter key 23a to specify English. Then, pressing the enter key 23a again ends the editing.

In this operation, the input characters are displayed in the operation area 21 of the format of the key sheet 20 displayed on the display unit 3 so that incorrect input can be reliably prevented. It is.

The edited key sheet 20 is created by printing the key sheet format edited as described above on a recording medium such as paper using the ink jet printer 9. The key sheet 20 is placed on the upper surface of the keyboard body 15, and the key sheet 20 is covered with the cover 30 together with the keyboard body 15 to be in a usable state.

The size of the key sheet 20 to be printed is such that, when the key sheet 20 is placed on the keyboard body 15, the size of the operation area 21 corresponding to each key 12 is printed.

As described above, the electronic cash register 1 is provided with the format data file 51 for storing the format data of the key sheet 20 corresponding to the keyboard body 15 used in the electronic cash register 1. When setting or changing a function to be assigned to a switch provided on the keyboard body 15, the function can be edited by the format data of the key sheet 20, so that the editing can be easily performed. Therefore, the user can easily and freely allocate or change the product when it is necessary to allocate or change his own product.

At this time, the format data is displayed on the screen of the display 3, and characters or the like are displayed while visually checking the operation area 21 of the key sheet 20 corresponding to the switch to be set or changed displayed on the screen. Can be installed, so that mistakes in input can be reliably prevented.

Further, since the edited format data of the key sheet 20 can be printed by the ink jet printer 9 provided in the electronic cash register 1, the key sheet 20 can be easily prepared.

In the above embodiment, the format of the key sheet 20, that is, the key sheet 2
Although the entirety of 0 is displayed on the screen of the display 3, this may be such that, when the screen of the display is small, at least an area including a portion of the key sheet 20 that the user wants to edit is displayed. Things. Also, if it is acceptable to sacrifice the ease of editing in terms of cost etc.,
It is good also as a structure which does not display on a display.

Further, in the above embodiment, the ink jet printer 9 for printing the format of the edited key sheet 20 is provided. However, this is because the cost is reduced or the size of the electronic cash register is reduced. For example, when a printer that cannot print the size of the key sheet 20 is used, the edited format data is temporarily recorded on a recording medium such as a magnetic recording medium. Alternatively, it may be created by printing with a printer capable of printing 20 sizes.

In the above-described embodiment, the display of the operation area corresponding to the switch to which the same function is assigned is edited collectively. However, as a matter of course, the display may be individually edited. Things.

[0064]

As described above, according to the first aspect of the present invention, the format memory storing the key sheet format data including the outer shape and the operation area of the key sheet, the operation area of the key sheet and the operation area A display information memory that stores display information such as characters and symbols used to display the functions of the corresponding switches, and a designation of characters and symbols attached to the operation area by operating a setting switch provided on the keyboard. Editing means for reading out the designated characters / symbols from the display information memory and setting the format in the operation area of the format, and editing the format; and a setting switch provided on the keyboard in the operation area of the format. A key sheet is set by setting characters, symbols, and the like for displaying the function of the switch corresponding to the operation area in the operation area. From what has been an electronic cash register having an editing function to edit format,
When assigning or changing each product etc. to the switch provided on the keyboard body, the function assigned to this switch, the product name etc. can be set in the operation area of the key sheet, so that the assignment can be done easily. Have

According to a second aspect of the present invention, there is provided an electronic cash register provided with a printing device for printing an edited key sheet format on a key sheet printing medium. In addition to the effect of the first aspect of the present invention, the edited key sheet can be printed immediately.

According to a third aspect of the present invention, there is provided the electronic cash register according to the first or second aspect of the present invention, wherein the electronic cash register is provided with a display means for displaying at least an edit portion area of a format to be edited. In addition to the effects of the invention described in claim 1 or 2, there is provided an effect that the editing can be surely performed because the editing location area of the format to be edited, that is, the operation area of the format can be edited in association with the switch to be assigned while visually checking. Have

According to a fourth aspect of the present invention, in accordance with the first to third aspects of the present invention, a character, a symbol, or the like representing each function of a plurality of switches having a specific function is used for this function. When represented by other characters, symbols, or the like, the plurality of displays are collectively edited, so that in addition to the effects of the inventions according to claims 1 to 3, a plurality of related switches are displayed. Since the display can be changed to another display at a time, there is an effect that editing can be efficiently performed.

[Brief description of the drawings]

FIG. 1 is a perspective view of an electronic cash register according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a relationship between a keyboard body and a key sheet constituting a keyboard of the electronic cash register, and a cover for covering the keyboard body and the key sheet.

FIG. 3 is a plan view of the key sheet.

FIG. 4 is a block diagram showing an outline of a control configuration of the electronic cash register.

FIG. 5 is a diagram showing a file configuration of the electronic cash register.

FIG. 6 is a perspective view of a conventional electronic cash register.

FIG. 7 is a perspective view showing a relationship between a keyboard main body and a key sheet constituting a keyboard of the conventional electronic cash register, and a cover for covering the keyboard main body and the key sheet.

[Description of Signs] 1 Electronic cash register 3 Display (display means) 6 Inkjet printer (printing means) 10 Keyboard 11 Keyboard base 12 Keys (operating part) 15 Keyboard body 20 Key sheet 21 Operation area 22a Numeric keys ( 23a Confirmation key (part of setting key) 23b Correction key (part of setting key) 51 Format data file (format information memory) 52 Character information file (part of display information memory) 53 Color information file (part of display information memory) 54 Language information file (part of display information memory) 55 Editing work area (editing means)

Claims (4)

[Claims] 1. A keyboard body comprising a base having a flat upper surface and a plurality of switches disposed on a base having an operating portion substantially flush with the upper surface of the base, and mounted on the upper surface of the keyboard main body. A keyboard formed of a key sheet having an operation area for displaying the function of the switch, which is partitioned and formed in correspondence with each of the operating portions, and sells a sales amount based on the product sales data input from the keyboard. In an electronic cash register that totals the total memory and prints the sales amount and the like and issues a receipt, a format memory storing the key sheet format data including the outer shape of the key sheet and the operation area; A display information menu that stores display information such as characters and symbols used to display the function of the switch corresponding to the operation area in the operation area. Memory, and reads out the specified characters / symbols from the display information memory based on the characters / symbols etc. attached to the operation area specified by the setting switch provided on the keyboard, and sets the read characters / symbols in the operation area. Editing means for editing the format of the key sheet by setting characters / symbols for displaying the function of the switch corresponding to the operation area by setting switches provided on the keyboard in the operation area of the format. An electronic cash register, which has a function of editing a cash register. 2. The electronic cash register according to claim 1, further comprising a printing device for printing the format of the edited key sheet on a key sheet printing medium. 3. The electronic cash register according to claim 1, further comprising a display unit for displaying at least an edit portion area of a format to be edited. 4. The invention according to claim 1, wherein a character or a symbol representing a function of each of a plurality of switches having a specific function is represented by another character or a symbol representing the function. The electronic cash register is characterized in that, when expressed, the plurality of displays are edited collectively.