KR100457141B1 - Method and apparatus for modifying functions of buttons by a user's selection - Google Patents

Abstract

The present invention relates to a method and an apparatus for changing a function of a button by a user's selection. A method of changing a function of a button by a user's selection according to the present invention includes recognizing a button selection event generated by a user at the same time or differently from a request for a function update by the user, in response to a button selection event. Extracting a function selection menu, outputting the extracted function selection menu, recognizing a specific function selection event selected by the user using the function selection menu in relation to a button corresponding to a button selection event, and a specific function Updating the function table in response to the selection event.

Description

Method and apparatus for modifying functions of buttons by a user's selection}

The present invention relates to a method and an apparatus for changing a function of a button by a user's selection.

1 is a view schematically showing the appearance of a conventional electronic product.

Referring to FIG. 1, the electronic product 101 includes a keypad including a plurality of buttons 103. Here, the electronic product 101 will be described as being a portable audio device such as a CD player. Each of the plurality of buttons 103 is specified from the time of release of the product by a PLAY function, a STOP function and the like. Electronic products such as portable audio devices have a small physical size due to the use of portable devices. In addition, since each button provided in the electronic product cannot be changed since the corresponding function is specified in advance from the product release, the number and size of the buttons are inevitably limited.

The electronic product may include various functions according to the use, and when a user inputs a command using a button provided in the electronic product, a function according to the button is developed and realized. In order to satisfy various needs of users, functions of electronic products are diversified or complicated. In order to satisfy various needs of users, the number of buttons provided in electronic products is increasing. However, due to the limitation of the physical size of the electronic product, it is not possible to provide a plurality of buttons, there is a problem that it is limited to add a variety of functions that can meet the various needs of the user.

SUMMARY OF THE INVENTION The present invention has been made to overcome the above-mentioned problems of the prior art, and an object of the present invention is to provide a method and apparatus for changing a function of a button by a user's selection of a user who can directly change a function of a button.

Another object of the present invention is to provide a method and apparatus for changing a function of a button according to a user's selection, in which a different function can be connected to each item in a specific button selected by the user.

1 is a view schematically showing the appearance of a conventional electronic product.

2 is a view schematically showing the appearance of a portable electronic device according to an embodiment of the present invention.

3 is a diagram schematically illustrating an internal configuration of a portable electronic device according to another exemplary embodiment of the present invention.

4A is a diagram exemplarily illustrating that a selectable initial menu according to a menu selection event is output on an LCD according to an exemplary embodiment of the present invention.

Figure 4b is a view showing the output form when the right-handed item is selected in the initial menu according to an embodiment of the present invention.

Figure 4c is a view showing a form that is output when the left-handed item is selected in the initial menu according to an embodiment of the present invention.

Figure 4d is a view showing the output form when the MY BUTTON item is selected in the initial menu according to an embodiment of the present invention.

4E illustrates a form in which a function selection menu corresponding to a button selection event is output according to an exemplary embodiment of the present invention.

5 is a diagram illustrating an update process of a function table according to an exemplary embodiment of the present invention.

6 is a flowchart illustrating a process of changing a function of a button according to a user's selection according to an embodiment of the present invention.

FIG. 7A is a diagram illustrating functions of sub-items of buttons according to a user's selection according to an exemplary embodiment of the present invention. FIG.

7B is a diagram exemplarily illustrating a function of changing a function of each specific item of a specific button according to an exemplary embodiment of the present invention.

8 is a view showing an update process of a function table according to another preferred embodiment of the present invention.

9 is a flowchart illustrating a method of changing a function of a detailed item of a button by a user's selection according to an exemplary embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

301... Mycom 203... LCD

207... Speaker 205... Keypad

209... Timer 211... counter

213... Memory 215... Function table

In order to achieve the above objects, according to an aspect of the present invention, in an electronic device having a keypad including at least one button, in changing the function corresponding to the button by the user's selection, Recognizing a button selection event generated by the user, extracting a function selection menu in response to the button selection event, and outputting the extracted function selection menu at the same time or differently from a function update request by the user Recognizing a specific function selection event selected by the user using the function selection menu in relation to a button corresponding to the button selection event, and updating a function table in response to the specific function selection event. How to change the function of the button according to the user's choice Can provide.

The method may include: recognizing a menu selection event by the user, extracting a button selection menu for selecting a specific button among a plurality of buttons, and outputting the extracted button selection menu corresponding to the menu selection event. It may further include.

The electronic device further includes a memory, wherein the function selection menu and the button selection menu are extracted from the memory, and the function table is stored in the memory. The function selection menu or the button selection menu may be visually output through the LCD or audio output through a speaker. The button selection event, the specific function selection event, and the menu selection event may be generated by the user using the keypad. The specific function corresponding to the button may be set by updating the function table.

According to another aspect of the invention, in the electronic device having a keypad including at least one button, in the function of changing the function corresponding to the specific item of the specific button by the user's selection, updating the function by the user Recognizing a button selection event generated by the user at the same time or differently from the request, extracting a detail item selection menu in response to the button selection event, and outputting the extracted detail item selection menu. Recognizing a specific subitem selection event selected by the user using the subitem selection menu, extracting a function selection menu in response to the specific subitem selection event, and outputting the extracted function selection menu Step, specific details corresponding to the specific details selection event Regarding, the details of the button by the user's selection include the step of recognizing the specific function selection event selected by the user using the function selection menu and updating the function table in response to the specific function selection event. It can provide a way to change the function of an item.

The method may include: recognizing a menu selection event by the user, extracting a button selection menu for selecting a specific button among a plurality of buttons, and outputting the extracted button selection menu corresponding to the menu selection event. In addition, the user may select a specific button using the button selection menu.

The electronic device may further include a memory, wherein the detailed item selection menu, function selection menu, and button selection menu are extracted from the memory, and the function table is stored in the memory. The detailed item selection menu, the function selection menu, or the button selection menu may be visually output through an LCD or an audio output through a speaker. The button selection event, the specific subitem selection event, the specific function selection event, and the menu selection event may be generated by the user using the keypad. The specific function corresponding to the detailed item of the button may be set by updating the function table.

According to another aspect of the present invention, in an electronic device having a keypad including at least one button for changing a function corresponding to a button by a user's selection, at the same time or when requesting a function update by the user Means for recognizing a button selection event generated by the user, means for extracting a function selection menu in response to the button selection event, means for outputting the extracted function selection menu, corresponding to the button selection event Regarding the button, the user may further include means for recognizing a specific function selection event selected by the user using the function selection menu and means for updating a function table in response to the specific function selection event. A device for changing the function can be provided.

According to another aspect of the present invention, an electronic device having a keypad including at least one button for changing a function corresponding to a specific item of a specific button according to a user's selection, the electronic device having a keypad including at least one button, requesting a function update by the user At the same time or differently, means for recognizing a button selection event generated by the user, means for extracting a detail item selection menu in response to the button selection event, means for outputting the extracted detail item selection menu, Means for recognizing a specific sub-item selection event selected by the user using the sub-item selection menu, means for extracting a function selection menu in response to the specific sub-item selection event, means for outputting the extracted function selection menu To a specific detail item corresponding to the specific detail selection event. In response thereto, means for recognizing a specific function selection event selected by the user using the function selection menu, and means for updating a function table in response to the specific function selection event; It is possible to provide a device for changing the function of.

According to another aspect of the present invention, in an electronic device having a keypad including at least one button, it may be executed by a digital processing device to perform a method of changing a function corresponding to a button by a user's selection. In a recording medium in which a program of instructions is tangibly embodied, and which can be read by a digital processing apparatus, a method of changing a function of a button by selection of the user is simultaneously or when requesting a function update by the user. By differently, recognizing a button selection event generated by the user, extracting a function selection menu in response to the button selection event, outputting the extracted function selection menu, corresponding to the button selection event In relation to a button, the function selection menu by the user Using it is possible to provide a recording medium comprising the step of recognizing a specific function selection selected events and updating the function table to the response to a specific function selection event.

According to another aspect of the invention, in the electronic device having a keypad including at least one button, to the digital processing device to perform a method for changing the function corresponding to the specific item of the specific button by the user's selection A program of instructions executable by a program is tangibly embodied, and in a recording medium that can be read by a digital processing apparatus, a method of changing a function of a detailed item of a button by the user's selection is provided by the user. Recognizing a button selection event generated by the user at the same time or differently from a function update request, extracting a detail item selection menu in response to the button selection event, and outputting the extracted detail item selection menu And selecting, by the user, the detail item selection menu. Recognizing a specific sub-item selection event selected by using the control unit; extracting a function selection menu in response to the specific sub-item selection event; outputting the extracted function selection menu; Regarding a detailed item, the recording medium includes recognizing a specific function selection event selected by the user using the function selection menu and updating a function table in response to the specific function selection event. Can be provided.

Next, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a diagram schematically illustrating an appearance of a portable electronic device according to an exemplary embodiment of the present invention.

Referring to FIG. 2, the portable electronic device 201 may include a keypad 205 including a plurality of function buttons 207, a menu button 209, and selection buttons 211, and a display device 203 such as an LCD. It includes. The portable electronic device 201 includes all electronic products such as a CD player, an MP3 player, a DVD player, a cassette, and a mobile communication terminal. In the present specification, the portable electronic device 201 will be described as an audio device.

Each of the plurality of function buttons 207 is connected to a respective function that is set as a default when the portable electronic device 201 is released. For example, button A may be connected to the PLAY function and button B may be connected to the STOP function. Details of each button and the corresponding function are defined in a function table in memory to be described later. When the user presses any one of the plurality of function buttons 207 (for example, the A button), the corresponding function (PLAY function) is performed.

According to a preferred embodiment of the present invention, the menu button 209 performs a function of moving to a mode (hereinafter, referred to as a change mode) for allowing a user to change a function according to each button or a detailed item of each button. do. In addition, the selection buttons 211 perform a function of allowing a user to easily select a function in the change mode.

In the present invention, for convenience of description, the number and shape of buttons as illustrated in FIG. 2 are described. However, the number and shape of buttons are not limited as long as the technical spirit of the present invention can be applied.

3 is a diagram schematically illustrating an internal configuration of a portable electronic device according to another exemplary embodiment of the present invention.

Referring to FIG. 3, the portable electronic device includes an LCD 203, a speaker 303, a keypad 205, a timer 309, a counter 307, a memory 309, and a microcomputer 301.

The LCD 203 or the speaker 303 performs a function of outputting various menus that can be selected by the user so that the user can visually or audibly recognize them. In the present specification, all matters output to the LCD 203 may be converted into voice and output through the speaker 303, and vice versa. This will be apparent to those of ordinary skill in the art. Since the LCD 203 or the speaker 303 is a general matter, a detailed description thereof will be omitted.

The timer 305 performs a function of measuring the time when the user presses the button, and the counter 307 performs a function of measuring the number of times the user pressed the button. The timer 305 recognizes that the user presses a specific button shortly (hereinafter referred to as STP) or long press (hereinafter referred to as LTP). In addition, the counter 307 serves to count the number of times STP or LTP input. The timer 305 or the counter 307 is used in a method of connecting a function for each item of a button to be described later.

The microcomputer 301 not only controls the LCD 203, the speaker 303, the keypad 205, the timer 305, the counter 307, and the memory 309, but also the present invention. A method of changing a function of a button according to a user's selection is performed. In detail, a module for changing a function of a button according to a user's selection is stored in the memory 309, and the microcomputer 301 uploads and executes a module for changing a function of a button according to the user's selection. . How to change the function of the button by the user's selection will be described in detail later.

The memory 309 has a function table 311 which records or updates the information changed by the execution of the module for changing the function of the button according to the user's selection and the module for changing the function of the button according to the user's selection. Save it.

4A is a diagram exemplarily illustrating that a selectable initial menu according to a menu selection event is output on an LCD according to an exemplary embodiment of the present invention.

Referring to FIG. 4A, when a user presses a menu button (a menu selection event occurs), a selectable initial menu 401 is output on the LCD. The initial menu 401 includes a right handed item 403, a left handed item 405, and a MY BUTTON item 407. When the electronic device is released, it is preferable that the function is set based on the right hand grip. When the user selects the right-handed item 403 using the selection buttons on the initial menu 401, a menu as shown in FIG. 4B is output. If the user is left-handed, the left-handed item 405 of the initial menu 401 is selected by using selection buttons to select a predetermined function according to the function buttons to fit the left-handed in the form as shown in FIG. 4C. have. The user may select the MY BUTTON item 407 of the initial menu 401 to set his / her own function for each function button.

4B is a diagram illustrating a form in which a right-handed item is selected in an initial menu according to an exemplary embodiment of the present invention.

Referring to FIG. 4B, the right handhold function 409 outputted when the user selects the right handhold item of the initial screen shown in FIG. 4A shows the functions connected to each button. In addition, the right handhold function 409 includes a selection item 411 and a cancellation item 413. When the user selects the selection item 411, a function for each button for right-handed operation may be selected. In addition, when the user selects the cancel item 413, the initial screen shown in FIG. 4A is output.

4C is a diagram illustrating a form in which a left-handed item is selected in an initial menu according to an exemplary embodiment of the present invention.

Referring to FIG. 4C, the left handed function 415, which is output when the user selects the left handed item of the initial screen illustrated in FIG. 4A, displays functions connected to each button. Since the related contents are the same as those described with reference to FIG. 4B, the description thereof will be omitted.

Figure 4d is a view showing the form that is output when the MY BUTTON item is selected in the initial menu according to an embodiment of the present invention.

Referring to FIG. 4D, the button selection menu 417 outputted when the user selects the MY BUTTON item of the initial screen shown in FIG. 4A lists button icons so that the user can select a desired button using the selection buttons. have. Here, it is assumed that the user selects the A button icon (the button selection event occurs) using the selection buttons.

4E illustrates a form in which a function selection menu corresponding to a button selection event is output according to an exemplary embodiment of the present invention.

Referring to FIG. 4E, a function selection menu 419 that is output when a user selects a specific button icon (A button icon) from the button selection menu 417 illustrated in FIG. 4D includes a plurality of selection buttons using the selection buttons. Function icons are listed to select the desired function among the functions. Here, it is assumed that the user selects the STOP function icon as a function corresponding to the A button by using the selection buttons (a specific function selection event occurs).

5 is a diagram illustrating an update process of a function table according to an exemplary embodiment of the present invention.

Referring to FIG. 5, when the user sets the STOP function to the A button among the function buttons, as shown in FIGS. 4D and 4E, the function table 501 before updating is changed to the function table 503 after updating. do. That is, the functions for each button of the function table 501 before the update are set as right-handed functions designated as the defaults at the time of product release. Then, when the user sets the STOP function to the A button through the process shown in Figs. 4D and 4E, the pre-update function table 501 is changed to the post-update function table 503. The above-described microcomputer performs a function for each button with reference to the function table 503 after updating.

6 is a flowchart illustrating a process of changing a function of a button by selection of a user according to an exemplary embodiment of the present invention. Referring to FIG. 6, the microcomputer uploads and executes a module for changing a function of a button according to a user's selection stored in a memory.

In step 601, the microcomputer recognizes a menu selection event according to the user pressing a menu button. Then, the microcomputer extracts the button selection menu stored in the memory (step 603). The microcomputer outputs the extracted button selection menu so as to be visually recognized by the user through the LCD, or outputs the sound by the speaker (605). The button selection menu is illustrated by way of example in FIG. 4D.

In operation 607, when the user selects a specific button using the button selection menu, the micom recognizes a button selection event accordingly. Thereafter, the microcomputer extracts the function selection menu stored in the memory (step 609). The microcomputer outputs the extracted function selection menu so as to be visually recognized by the user through the LCD, or outputs the audio function through the speaker (step 611). The function selection menu is shown by way of example in FIG. 4E.

In operation 613, when the user selects a specific function using the function selection menu, the micom recognizes the specific function selection event accordingly. The microcomputer then updates the specific function selection event in the function table stored in memory. In the future, the microcomputer performs the function for each button by referring to the updated function table. The function table is shown by way of example in FIG. 5.

FIG. 7A is a diagram illustrating functions of sub-items of buttons according to a user's selection according to an exemplary embodiment of the present invention.

Referring to FIG. 7A, when a user selects a desired button using the button selection menu illustrated in FIG. 4D (selecting an A button icon), the electronic product is displayed for each sub-item of a specific button (for example, the A button). When released, the default designated function 701 is displayed. Here, the PLAY function is specified by default. In this case, when the user presses the A button briefly (STP), long presses (LTP), briefly presses one long press (STP: LTP), or presses once briefly (LTP: STP) Only the PLAY function is performed in any order or form.

7B is a diagram exemplarily illustrating a function of changing a function of each specific item of a specific button according to an exemplary embodiment of the present invention.

Referring to FIG. 7B, a screen output when a user selects a function corresponding to each specific detail item from the function selection menu for each detail item illustrated in FIG. 7A is illustrated. Here, the PLAY function is a detailed item when the user presses the A button briefly (STP) among a plurality of functions such as the PLAY function, STOP function, NEXT function, BACK function, VOLUME UP function or VOLUME DOWN function using the selection buttons. , STOP function to detail item for long press (LTP), NEXT function to detail item for short press once (STP: LTP) and BACK function to detail item for short press once (LTP: STP) You can choose.

8 is a diagram illustrating an update process of a function table according to another exemplary embodiment of the present invention.

Referring to FIG. 8, when the user sets the functions for each function button and for each sub-item of each function button, as shown in FIGS. 7A and 7B, the function table 801 before the update is the function table 803 after the update. Is changed to). That is, the PLAY functions are set by default at the time of product release for the functions of each button and the detailed items (here, the detailed items for each A button) of the function table 801 before updating. Then, the user sets the PLAY function to the short-pressing detail item (STP) of the A button, sets the STOP function to the long-pressing detail item (LTP) of the A button, and the A button through the process shown in FIGS. 7A and 7B. If you set the NEXT function to the detail item (STP: LTP) that is pressed briefly once and long, and the BACK function is set to the detail item (LTP: STP) pressed briefly once with the A button, the function table before updating is displayed. After the update, the function table 803 is changed. The microcomputer described above performs a function for each button with reference to the function table 803 after the update.

9 is a flowchart illustrating a method of changing a function of a detailed item of a button according to a user's selection according to an exemplary embodiment of the present invention. Referring to FIG. 9, the microcomputer uploads and executes a module for changing a function of a detailed item of a button according to a user's selection stored in a memory.

In operation 901, the microcomputer recognizes a menu selection event according to a user pressing a menu button. Then, the microcomputer extracts the button selection menu stored in the memory (step 903). The microcomputer outputs the extracted button selection menu (905). The button selection menu is illustrated by way of example in FIG. 4D.

In operation 907, when the user selects a specific button using the button selection menu, the microcomputer recognizes the button selection event accordingly. Thereafter, the microcomputer extracts the detailed item selection menu stored in the memory (step 909). The microcomputer outputs the extracted detailed item selection menu (step 911). The detail item menu is exemplarily illustrated in FIGS. 7A and 7B.

In operation 913, when the user selects a specific detail item using the detail item selection menu, the microcomputer recognizes the specific function selection event accordingly. The microcomputer then extracts the function selection menu stored in the memory (step 915). The microcomputer outputs the extracted function selection menu (step 917). The function selection menu is illustrated by way of example in FIGS. 7A and 7B.

In operation 919, when the user selects a specific function using the function selection menu, the micom recognizes the specific function selection event accordingly. The microcomputer then updates the specific function selection event in the function table stored in memory. In the future, the microcomputer performs the function for each button by referring to the updated function table. The function table is shown by way of example in FIG. 8.

The present invention is not limited to the above embodiments, and many variations are possible by those skilled in the art within the spirit of the present invention.

According to the present invention, it is possible to provide a method and apparatus for changing the function of a button by the user's selection of the user's ability to directly change the function of the button.

In addition, according to the present invention, it is possible to provide a method and apparatus for changing a function of a button by a user's selection, in which a user can directly change a function for each specific item in a specific button.

In addition, according to the present invention, even if the physical size of the electronic device is narrow, various functions for satisfying various needs of the user may be provided.

Claims (16)

A method for changing a function corresponding to a button by a user's selection in an electronic device having a keypad including at least one button, Recognizing a button selection event generated by the user at the same time or differently from the function update request by the user; Extracting and outputting a function selection menu in response to the button selection event; Updating a function table such that the selected function corresponds to the specific button when a function selection event occurs in which the specific function is selected from the function selection menu by the user; And And when the specific button is selected, performing a function of the selected specific function. The method of claim 1, Recognizing a menu selection event by the user; Extracting a button selection menu for selecting a specific button among a plurality of buttons in response to the menu selection event; And Outputting the extracted button selection menu Include more, And the user can select a specific button using the button selection menu. The method according to claim 1 or 2, The electronic device further includes a memory, The function selection menu and button selection menu are extracted from the memory, The function table is stored in the memory How to change the function of the button by the user's selection, characterized in that. The method according to claim 1 or 2, The function selection menu or the button selection menu may be visually output through an LCD or an audio output through a speaker. How to change the function of the button by the user's selection, characterized in that. The method according to claim 1 or 2, The button selection event, the specific function selection event, and the menu selection event are generated by the user using the keypad. How to change the function of the button by the user's selection, characterized in that. The method of claim 1, By updating the function table, the specific function corresponding to the button is set How to change the function of the button by the user's selection characterized in that. In an electronic device having a keypad including at least one button, a method for changing a function corresponding to a specific item of a specific button by a user's selection, Recognizing a button selection event generated by the user at the same time or differently from the function update request by the user; Extracting and outputting a detailed item selection menu in response to the button selection event; Extracting and outputting a function selection menu corresponding to the selected item when a detail item selection event occurs in which the specific item is selected by the user; Updating a function table such that the selected function corresponds to the specific button when a function selection event occurs in which the specific function is selected from the function selection menu by the user; And And when the particular button is selected, performing a function of the selected specific function. The method of claim 7, wherein Recognizing a menu selection event by the user; Extracting a button selection menu for selecting a specific button among a plurality of buttons corresponding to the menu selection event; And Outputting the extracted button selection menu Include more, And the user can select a specific button by using the button selection menu. The method according to claim 7 or 8, The electronic device further includes a memory, The detailed item selection menu, function selection menu, and button selection menu are extracted from the memory, The function table is stored in the memory How to change the function of the details of the button by the user's selection, characterized in that. The method according to claim 7 or 8, The sub-item selection menu, function selection menu, or the button selection menu may be visually output through an LCD or acoustically output through a speaker. How to change the function of the details of the button by the user's selection, characterized in that. The method according to claim 7 or 8, The button selection event, the specific subitem selection event, the specific function selection event, and the menu selection event are generated by the user using the keypad. How to change the function of the details of the button by the user's selection, characterized in that. The method of claim 7, wherein Setting the specific function corresponding to the detailed item of the button by updating the function table How to change the function of the details of the button by the user's selection, characterized in that. An electronic device having a keypad including at least one button for changing a function corresponding to a button according to a user's selection, Means for recognizing a button selection event generated by the user simultaneously or differently from the function update request by the user; Means for extracting and outputting a function selection menu in response to the button selection event; Means for updating a function table such that the selected function corresponds to the specific button when a function selection event occurs in which the specific function is selected from the function selection menu by the user; And And when the particular button is selected, changes the function of the button by the user's selection including means for performing the selected specific function. An electronic device comprising a keypad including at least one button for changing a function corresponding to a specific item of a specific button according to a user's selection, Means for recognizing a button selection event generated by the user simultaneously or differently from the function update request by the user; Means for extracting and outputting a detailed item selection menu in response to the button selection event; Means for extracting and outputting a function selection menu corresponding to the selected item when a detail item selection event occurs in which the specific item is selected by the user; Means for updating a function table such that the selected function corresponds to the specific button when a function selection event occurs in which the specific function is selected from the function selection menu by the user; And And when the particular button is selected, changing a function of a detailed item of the button by a user's selection including means for performing the selected specific function. In an electronic device having a keypad including at least one button, a program of instructions that can be executed by the digital processing device is tangibly implemented to perform a method of changing a function corresponding to the button at the user's selection. In the recording medium which can be read by a digital processing apparatus, The method of changing the function of the button by the user's selection, Recognizing a button selection event generated by the user at the same time or differently from the function update request by the user; Extracting and outputting a function selection menu in response to the button selection event; Updating a function table such that the selected function corresponds to the specific button when a function selection event occurs in which the specific function is selected from the function selection menu by the user; And And when the particular button is selected, performing the selected specific function. In an electronic device having a keypad including at least one button, a program of instructions that can be executed by the digital processing device to perform a method of changing a function corresponding to a specific item of a specific button by a user's selection is tangible. In the recording medium, which can be read by a digital processing device, The method for changing the function of the detailed item of the button by the user's selection, Recognizing a button selection event generated by the user at the same time or differently from the function update request by the user; Extracting and outputting a detailed item selection menu in response to the button selection event; Extracting and outputting a function selection menu corresponding to the selected item when a detail item selection event occurs in which the specific item is selected by the user; Updating a function table such that the selected function corresponds to the specific button when a function selection event occurs in which the specific function is selected from the function selection menu by the user; And And when the particular button is selected, performing the selected specific function.