JP2006196942A - Channel selection setting method for television receiver and system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a user to set the correspondence relation between channel selection buttons in a remote control operation and broadcasting stations at the preference of the user and to freely utilize the setting for a plurality of TV receivers. <P>SOLUTION: An information server 7 and a plurality of TV receivers 2, 3, 4 are connected to an IP network 1, and the user controls the TV receiver 2 with a remote controller 8 to correlate user identification information with an information table defining the correspondence relation between the selection buttons in remote control operation and the broadcast stations and to register them in an information server. After that, when the user inputs the user identification information into the TV receiver 2 or 3 with a remote control operation, the information table corresponding to the user identification information is transmitted from the information server 7 to the TV receiver 2 or 3 and is set in a channel selection setting program. Henceforth, the remote controller 8 can be controlled in accordance with the correspondence relation between the channel selection buttons, based on the information table and the broadcasting stations. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

The present invention relates to a channel selection operation setting method and system for a television receiver (hereinafter referred to as “TV receiver”), and more particularly to a remote controller for a plurality of TV receivers connected to an IP (Internet Protocol) network. The present invention relates to a method and system for a user to set the correspondence between a channel selection button and a broadcast station when performing a channel selection operation (hereinafter referred to as “remote control”) according to his / her preference.

Conventionally, a remote control is attached to a TV receiver, and the correspondence between the channel selection button of the remote control and the broadcasting station is generally set as a maker standard setting or a regional standard setting. However, in this case, after selecting a TV receiver, for example, channel selection operation settings such as associating broadcast stations with a high viewing frequency in ascending order of channel selection button numbers may be performed. You can do it freely.

On the other hand, the degree of popularization of TV receivers in recent years is such that there is one for each room and one for each individual, and it is not uncommon for there to be a plurality of TV receivers in the home. Therefore, if there is a remote control of standard setting or individual setting as described above, the setting state of the remote control must be confirmed for each TV receiver, and it is very inconvenient when a user other than the setter uses the remote control. is there.

As a technique related to such a problem, various proposals have been made in the following patent documents. In Patent Document 1, in order to be able to control a plurality of controlled devices using the same remote controller, a remote control switching device is connected to each controlled device, and the remote control device passes through the remote control switching device. A method is disclosed in which each controlled device can be specified and selectively controlled. Patent Document 2 discloses an integrated control device for a plurality of devices, which stores the command information of a plurality of operation target devices via an input unit and a control unit when an operator performs a remote operation of the plurality of devices for the first time. A configuration is disclosed in which unified control management can be realized by flexibly supporting a new operation target device simply by performing an operation to be read by the device. In Patent Document 3, a portable wireless device is provided with an infrared remote control function, and a function key is used to switch between a telephone call function and a remote operation function, and a user provides operation information for a control target device such as a TV or an air conditioner or individual devices. A configuration that can be set is disclosed. In Patent Document 4, when information devices are operated with input devices individually owned by a plurality of users, the identification information registered in the input devices is registered in advance when the information devices are powered on with the input devices. There has been proposed an information system that is automatically transmitted to an information device and determines whether or not to give an operation permission based on the identification information on the information device side.
JP-A-7-336780 JP-A-8-65764 Japanese Patent Laid-Open No. 11-341171 JP 2000-99184 A

By the way, recently, there are various types of TV broadcasting such as terrestrial, UHF, BS analog, BS digital, etc., and the correspondence between the channel selection buttons on the remote control and the channels in each broadcast has become very complicated. ing. Therefore, from the user side of the TV receiver, the remote controller is set to match the channel selection button and the broadcasting station according to his / her preference, and the setting can be freely used for a plurality of TV receivers. There is an increasing demand for The conventional technology includes a technology that can make the operation environment of the remote control in accordance with the above requirements, but this requires various hardware conditions and complicated procedures. However, it is difficult to directly apply to TV receivers, and in particular, an effective solution has been given for enabling the operation environment of the remote control set by the user to be freely applied to a plurality of TV receivers. Absent.

On the other hand, IP technology, which has been widely used on the Internet, is used not only for data transmission for computers but also for a wide range of applications, and the expansion of IP network infrastructure is rapidly progressing. Conventionally, IP networks have been widely used in TV conference systems and the like. Recently, some TV receivers compatible with terrestrial digital broadcasting that can be connected to IP networks are available. Can be used as a communication terminal by operating with a remote control. Furthermore, in the future, a system that transmits and distributes general TV video in IP packets is also being studied.

Therefore, according to the present invention, for a TV receiver connected to an IP network, the user can set the association between the channel selection button and the broadcast station in the remote control operation to a setting that suits his / her preference. It was created for the purpose of providing a TV receiver channel selection operation setting method and system which can be freely used for a plurality of TV receivers.

The present invention comprises a plurality of TV receivers connected to an IP network, a remote controller for controlling the TV receivers, and an information server connected to the IP network. By controlling one of the TV receivers, the user identification information and the correspondence information between the channel selection button and the broadcasting station related to the remote control operation are created, and each information is sent to the information via the IP network. A first procedure in which the information server registers the user identification information and the correspondence information in association with each other and registers them in the storage means, and the user controls any of the TV receivers with the remote controller. A second procedure for transmitting the user identification information to the information server via the IP network, and the information server receives the TV image in the second procedure. Receiving the user identification information transmitted from the IP network to the TV receiver that has transmitted the user identification information in the second procedure using the correspondence information associated with the user identification information in the storage means. And the TV receiver that has received the correspondence information transmitted in the third procedure determines the correspondence between the channel selection button for the remote control operation and the broadcasting station based on the correspondence information. By executing the fourth procedure to be set, the correspondence between the channel selection button and the broadcast station related to the remote control operation set by the user can be applied to the channel selection operation of each TV receiver connected to the IP network. The present invention relates to a channel selection operation setting method for a TV receiver.

In the TV receiver channel selection operation setting method of the present invention, using each TV receiver connected to the IP network, the user identification information and the channel selection button for remote control operation by the information server on the IP network are used. And the correspondence information of broadcasting stations. Accordingly, by transmitting the user identification information to the information server, the correspondence information between the channel selection button and the broadcast station in the remote control operation can be read from the information server and set in the TV receiver, and each TV receiver connected to the IP network can be set. The channel can be selected by the correspondence between the channel selection button set by the remote controller and the broadcasting station.

The system according to the invention comprises a plurality of TV receivers connected to an IP network, a remote controller for controlling the TV receivers, and an information server connected to the IP network. Registration that creates user identification information and correspondence information between the channel selection button and the broadcast station related to the remote control operation and transmits each information to the information server via the IP network by a predetermined input operation from the remote control Information transmitting means, user information transmitting means for transmitting the user identification information to the information server via the IP network by an input operation of the user identification information from the remote controller, and user identification information by the user information transmitting means By receiving the correspondence information transmitted from the information server and transmitting the remote A channel selection function setting means for setting a correspondence relationship between a channel selection button and a broadcasting station for the TV operation, and the information server transmits the user identification information transmitted by the registration information transmission means of the TV receiver and the correspondence When information is received via the IP network, information registration means for associating and registering each of the information in the storage means, and the user identification information transmitted by the user information transmission means of the TV receiver Setting that, when received via the network, reads the correspondence information associated with the user identification information in the storage means and transmits the user identification information to the TV receiver that has transmitted the user identification information via the IP network. Information transmission means, and a correspondence relationship between a channel selection button and a broadcast station related to a remote control operation set by the user is represented by the IP network. Connected to said over-click can be configured as a TV receiver tuning operation setting system being characterized in that to be able to apply the tuning operation of the TV receiver.

The TV receiver channel selection operation setting method and system therefor according to the present invention include a user identification information and a remote control operation channel selection in an information server on an IP network when a plurality of TV receivers are connected to the IP network. By registering and managing the correspondence information between the buttons and the broadcasting station, the user can set the correspondence between the channel selection button and the broadcasting station on the remote control operation according to his / her preference by simple operation of the remote control. It is possible to perform a channel selection operation for the TV receiver.

Embodiments of a TV receiver channel selection operation setting method and system according to the present invention will be described below with reference to the drawings. First, FIG. 1 is a network configuration diagram to which the method according to the embodiment is applied. Two TV receivers 2 and 3 and one TV receiver 4 are connected to routers 5 and 6 respectively for an IP network 1. And an information server 7 is connected to the IP network 1. A remote control 8 corresponds to the TV receivers 2 and 3, and a remote control 9 corresponds to the TV receiver 4.

In the method of this embodiment, the user uses the remote controller 8 to send an information table that defines the correspondence between a channel selection button and a broadcasting station that suits his / her preference from the TV receiver 2 to the information server 7 via the IP network 1. When the user operates any one of the TV receivers 2, 3, 4 with the remote controller 8, the information table is read from the information server 7 to the TV receiver to be operated, and the remote controller 8 The TV receiver can be operated by the association between the channel selection button and the broadcasting station based on the information table. Here, as shown in FIG. 2, the information table is an index composed of a family unique code (a code uniquely indicating a group attribute such as an organization or a family) and a user number (a number indicating an individual in the group). And channel selection button information (“1” to “12”) and channel codes of each broadcasting station (1ch: NHK general, 3ch: NHK education, 4ch: Nippon TV, 6ch: TBS TV, 8ch: Fuji TV, 10ch: TV Asahi, 12ch: TV Tokyo, 7ch: NHK Satellite No. 1, 11ch: NHK Satellite No. 2, etc.).

FIG. 3 is a system circuit diagram of the TV receivers 2, 3, 4 and the remote controllers 8, 9 in this embodiment. Each of the TV receivers 2, 3, 4 includes a TV circuit 11 and a TV control unit 12 that controls the TV circuit 11 based on control signals from the remote controllers 8, 9, and via the IP network 1. The communication control unit 13 for executing communication with the information server 7 is also incorporated. The TV control unit 12 has a configuration using a microcomputer circuit (hereinafter referred to as “microcomputer circuit”), a ROM 22 storing a TV control program and a channel selection operation setting program with respect to the bus of the CPU 21, and a work memory. The RAM 23 used, the interface 24 to the TV circuit 11, the decoder 26 that decodes the output signal of the light receiving unit 25 that receives the infrared modulation signal from the remote controllers 8 and 9, and the interface 27 to the communication control unit 13 are connected. Yes.

On the other hand, the remote controllers 8 and 9 also have a configuration using a microcomputer circuit, and a program for encoding an input signal from the operation unit 32 into a light emission modulation signal of an infrared LED (Light Emitting Diode) 33 with respect to the bus of the CPU 21. Is connected to a RAM 35 used as a work memory, and an I / O port 36. An input signal generated by operating a button on the operation unit 32 is input from the I / O port 36, and an encoded light emission modulation signal is received. Output from the I / O port 36 to the LED drive circuit 37 to cause the infrared LED 33 to blink.

Based on the above configuration, in this embodiment, the channel selection operation setting of the TV receiver is performed by the following signal sequences. First, FIG. 4 is a signal sequence diagram when the family unique code and the user number are registered from the TV receiver 2 to the information server 7. The user performs a predetermined operation (for example, an operation of simultaneously pressing the function button 32 a and the channel button “1”) on the remote controller 8, whereby a server in the channel selection operation setting program stored in the ROM 22 of the TV receiver 2. An emission modulation signal for starting the registration setting application is sent to the TV receiver 2 (f1).

In the TV receiver 2, when the application is started, the server registration setting screen data stored in the ROM 22 is read to the TV circuit 11 and displayed on the display (f2). When the user operates the remote controller 8 to select the family registration authentication setting as a selection item in the screen, the TV receiver 2 that has received the light emission modulation signal receives the TV receiver unique code (stored in the ROM 22). The terminal-specific identification code) is read out to the communication control unit 13, and the code information is transmitted from the router 5 to the information server 7 via the IP network 1 (f3, f4).

When the information server 7 receives the TV receiver unique code, the information server 7 checks whether or not the TV receiver specified by the code is included in the management target device. A message (command) is transmitted to the TV receiver 2 via the IP network 1 (f5, f6). The TV receiver 2 receives an acceptance permission message from the IP network 1 via the router 5, and on the basis of the reception, reads the authentication permission screen data stored in the ROM 22 to the TV circuit 11 via the interface 24. Display on the display (f7).

The authentication permission screen is provided with a telephone number input field, and a message prompting the user to input it is displayed. Therefore, the user operates the channel button of the remote controller 8 to input a telephone number, and presses a button indicating completion of input (for example, “#” button), whereby the light emission modulation signal related to the input telephone number is received by the TV receiver. 2 is transmitted (f8). On the other hand, in the TV receiver 2 that has received the emission modulation signal, the telephone number is encrypted using the encryption program in the channel selection operation setting program, and the encrypted data is output to the communication control unit 13 to be transmitted to the router 5. To the information server 7 via the IP network 1 (f9).

The information server 7 that has received the encrypted data generates a family unique code using the encrypted data, registers it in the database stored in the internal hard disk, and transmits the code information to the TV receiver via the IP network 1. 2 is transmitted (f10, f11). When receiving the family unique code from the IP network 1 via the router 5, the TV receiver 2 registers it in the RAM 23 (f12). Further, the user number input screen data stored in the ROM 22 is transferred to the TV circuit 11 via the interface 24, and the input screen is displayed on the display (f13).

When the user operates the channel button of the remote controller 8 to input the user number, the light emission modulation signal is received by the TV receiver 2, and the TV receiver 2 communicates the user number information decoded by the decoder 26. The data is output to the control unit 13 and transmitted from the router 5 to the information server 7 via the IP network 1 (f14, f15). The information server 7 that has received the user number information registers the number in the database of the built-in hard disk in association with the family unique code, and transmits registration notification information to the TV receiver 2 via the IP network 1 (f16). , f17). When the TV receiver 2 receives the registration notification information from the IP network 1 via the router 5, the TV receiver 2 reads the user registration completion screen data stored in the ROM 22 and transfers it to the TV circuit 11 via the interface 24. The screen is displayed on the display and notified to the user (f18).

When the information server 7 receives the TV receiver unique code from the TV receiver 2 in the signal sequence procedure f4 of FIG. 4, the TV receiver 2 specified by the code is not included in the management target device. In some cases, the information server 7 returns an acceptance non-permission message to the TV receiver 2 so that the subsequent procedures are not allowed to proceed. That is, in this case, the correspondence between the channel selection button of the remote controller 8 and the broadcasting station in the TV receiver 2 is fixed as the manufacturer standard setting or the regional standard setting, and the customized setting as in this embodiment is performed. This is because it cannot be performed.

Although the registration of the family unique code and the user number to the TV receiver 2 is completed by the above procedure shown in FIG. 4, the process then shifts to the channel selection button / channel information setting mode shown in the signal sequence of FIG. First, when the user performs a predetermined operation (for example, an operation of simultaneously pressing the function button 32a and the channel button “2”) on the remote controller 8, a light emission modulation signal for setting the mode is transmitted to the TV receiver 2. (F21).

Then, in the TV receiver 2 that has received the mode setting signal, the channel selection button / channel information setting screen data stored in the ROM 22 is transferred to the TV circuit 11 via the interface 24 and the screen is displayed on the display. (F22). The channel selection button / channel information setting screen in this embodiment has a configuration as shown in FIG. 7, and the operation of the remote controller 8 and the display state shown in FIG. . First, when the channel selection button is selected with the channel button of the remote controller 8, the color of the [Broadcasting station (channel code)] column corresponding to the channel selection button changes, and the TV receiver 2 appears on the right side of the changed column. A pull-down menu including each receivable broadcasting station and each channel code is displayed (f23, f24).

Next, when each CH: +/− button on the remote control 8 is operated, each broadcast station in the pull-down menu is sequentially selected, and can be determined by pressing the * button in the selection state of the broadcast station associated with the channel selection button. The [Broadcasting station (channel code)] field corresponding to the channel selection button is switched to the determined notation of the broadcasting station and channel code (f25, f26). FIG. 7 shows a case where “TV Asahi (10ch)” is associated with the channel selection button “4”. Then, the user operates the remote controller 8 to execute the same procedure for each of the channel selection buttons “1” to “12”, thereby matching the correspondence between all the channel selection buttons and the broadcasting stations to his / her preference. Although it can be set, the TV receiver 2 stores the setting state in the RAM 23 as an information table.

Thus, when the input of the association setting between the channel selection button and the broadcast station is completed, the user performs a predetermined operation (for example, an operation of simultaneously pressing the function button 32a and the channel button “3”) on the remote controller 8. As a result, the TV receiver 2 is requested to transmit the information table, and the TV receiver 2 that has received the light emission modulation signal of the transmission request reads the information table data from the RAM 23 to the communication controller 13 and from the router 5. It transmits to the information server 7 via the IP network 1 (f27, f28). On the other hand, in the information server 7 that has received the information table data, the information table is registered in correspondence with the family unique code and the user number that have already been registered in the internal hard disk database in steps f10 and f16 of the signal sequence in FIG. After the registration, the information table reception confirmation is returned to the TV receiver 2 via the IP network 1 (f29, f30). The TV receiver 2 reads the information table update confirmation screen data from the ROM 22 to the TV circuit 11 via the interface 24 based on the reception of the information table reception confirmation from the IP network 1 via the router 5, and displays the screen. Is displayed on the display (f31). In addition, the server registration setting application that was initially started is thereby terminated.

By the way, in the description of the procedure of the server registration setting application described above, the user having the remote controller 8 displays the information table in which the channel selection button of the remote controller 8 for the TV receiver 2 and the broadcasting station are associated with each other on the information server 7 on the IP network 1. However, the other TV receivers 3 and 4 can be set under the same conditions. However, in that case, since the family unique code, the user number, and the information table are registered in association with the information server 7 in the registration procedure for the TV receiver 2, the contents of the information table are changed. If it is not necessary, it is only necessary to execute the procedure (f1 to f12 in FIG. 4) until the TV receivers 3 and 4 register the family unique code. Further, the user having the remote controller 9 also stores an information table in the information server 7 in which the channel selection buttons of the remote controller 9 corresponding to the user's preference for the TV receivers 2, 3, 4 and broadcasting stations are associated with each other in the same procedure. The user number can be registered, but the user number in that case is naturally unique to the user having the remote control 9.

Next, on the assumption that the information table is registered in the information server 7 as described above, the procedure when the user controls the TV receiver 2 from the remote controller 8 will be described with reference to the signal sequence of FIG. To do. First, when the TV receiver 2 is controlled from the remote controller 8 according to the correspondence between the channel selection button set by the manufacturer and the broadcasting station, the normal operation may be performed, but the channel selection button based on the information table set above and the broadcast When the remote controller 8 is used due to station correspondence, an instruction for selecting a user-only input mode must be input from the remote controller 8 to the TV receiver 2 (f41). For example, a method of inputting the instruction by simultaneously pressing the function button 32a and the channel button “0” can be employed.

In the TV receiver 2 that has received the light emission modulation signal by the instruction input on the remote controller 8 side, the user number input screen data is read from the ROM 22 to the TV circuit 11 via the interface 24 and the screen is displayed on the display (f42). ). Then, when the user operates the channel button of the remote controller 8 to input the user number while viewing the input screen and presses a button indicating completion of input (for example, “#” button), the light emission related to the input user number The modulated signal is transmitted to the TV receiver 2 (f43).

In the TV receiver 2 that has received the user number by the light emission modulation signal, the family unique code registered in the RAM 23 and the received user number are immediately read out to the communication control unit 13, and the information server is transmitted from the router 5 through the IP network 1. 7 is transmitted (f44). On the other hand, the information server 7 that has received the family unique code and the user number from the IP network 1 searches and confirms the database of the internal hard disk, reads out the information table associated with the family unique code and the user number, 1 to the TV receiver 2 (f45, f46). In the TV receiver 2 that has received the information table from the IP network 1 via the router 5, after storing the information table in the RAM 23 and setting it as the correspondence information between the channel selection button and the broadcast station in the channel selection control program in the ROM 22, The user exclusive input permission screen data is read from the ROM 22 to the TV circuit 11 through the interface 24, and the screen is displayed on the display (f47, f48). As a result, the user can confirm that the channel selection operation can be performed by the correspondence between the channel selection button registered in the information server 7 in advance by the remote controller 8 and the broadcasting station, and thereafter, based on the customized correspondence. Tuning operation can be performed (f49).

In the user-dedicated input mode, the case where the TV receiver 2 is controlled by the remote controller 8 has been described. However, if the family unique code is registered in the TV receivers 3 and 4, the TV receivers 3 and 4 can be controlled. However, the channel selection operation can be performed by the correspondence between the customized channel selection button and the broadcasting station. That is, if the user number is transmitted to the TV receivers 3 and 4 in which the family unique code is registered, the TV receivers 3 and 4 transmit the family unique code and the user number to the information server 7. 7, the information table registered by the user can be specified and transmitted to the TV receivers 3 and 4. The same applies to the user having the remote control 9, and the information table created in association with the family unique code of each TV receiver 2, 3, 4 and the user number of the user is registered in the information server 7. By doing so, the same convenience can be enjoyed in the channel selection operation for each TV receiver 2, 3, 4.

In this embodiment, the information server 7 registers the family unique code, user number, and information table in the internal hard disk database. However, an integrated file server system on the network such as NAS (Network Attached Storage). The database may be managed by the above method.

The TV receiver channel selection operation setting method and system according to the present invention can be applied to a TV receiver remote control system connected to an IP network.

1 is a network configuration diagram to which a TV receiver channel selection operation setting method and system according to the present invention are applied. FIG. It is a figure which shows the structure of an information table. It is a system circuit diagram of each TV receiver and each remote controller in the embodiment. It is a signal sequence diagram which shows the registration procedure of a family unique code and a user number. It is a signal sequence diagram which shows the procedure in a channel selection button / channel information setting mode. It is a signal sequence diagram which shows the procedure in the case of controlling TV receiver from a remote control. It is a figure which shows a channel selection button / channel information setting screen.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... IP network, 2, 3, 4 ... TV receiver, 5, 6 ... Router, 7 ... Information server, 8, 9 ... Remote control, 11 ... TV circuit, 12 ... TV control part, 13 ... Communication control part, 21 , 31 ... CPU, 22, 34 ... ROM, 23, 35 ... RAM, 24, 27 ... interface, 25 ... light receiving unit, 26 ... decoder, 32 ... operation unit, 32a ... function button, 33 ... infrared LED, 36 ... I / O port, 37 ... LED drive circuit.

Claims (2)

A plurality of television receivers connected to an IP (Internet Protocol) network, a remote controller (hereinafter referred to as “remote control”) for controlling each of the television receivers, and an information server connected to the IP network Become
When the user controls one of the television receivers with the remote controller, the user identification information and the channel selection button related to the remote control operation and the correspondence information of the broadcast station are created. A first procedure in which each information is transmitted to the information server via the IP network, and the information server registers the user identification information and the correspondence information in association with each other in a storage unit;
A second procedure in which the user controls any of the television receivers with the remote controller and transmits the user identification information to the information server via the IP network;
The information server receives the user identification information transmitted from the television receiver in the second procedure, and the correspondence information associated with the user identification information in the storage means in the second procedure. A third procedure of transmitting user identification information to the television receiver that has transmitted the user identification information via the IP network;
The television receiver that has received the correspondence information transmitted in the third procedure executes a fourth procedure for setting a correspondence relationship between a channel selection button and a broadcast station for remote control operation based on the correspondence information. Thus, the correspondence relationship between the channel selection button and the broadcast station related to the remote control operation set by the user can be applied to the channel selection operation of each television receiver connected to the IP network. Channel selection operation setting method for television receivers. A plurality of television receivers connected to the IP network, a remote controller for controlling each of the television receivers, and an information server connected to the IP network,
Each television receiver
Registration information transmission for creating correspondence information between user identification information and a channel selection button related to remote control operation and a broadcast station by a predetermined input operation from the remote control and transmitting each information to the information server via the IP network Means,
User information transmission means for transmitting the user identification information to the information server via the IP network by an input operation of the user identification information from the remote control;
Channel selection function setting for receiving the correspondence information transmitted from the information server by transmission of user identification information by the user information transmission means and setting a correspondence relationship between a channel selection button and a broadcast station related to the remote control operation in the own device Means and
The information server
An information registering means for registering the user identification information and the correspondence information transmitted by the registration information transmitting means of the television receiver in association with each other in the storage means when received via the IP network; ,
When the user identification information transmitted by the user information transmission means of the television receiver is received via the IP network, the correspondence information associated with the user identification information in the storage means is read out, Setting information transmitting means for transmitting the user identification information to the television receiver that has transmitted the user identification information via the IP network;
The television receiver characterized in that the correspondence between the channel selection button and the broadcast station related to the remote control operation set by the user can be applied to the channel selection operation of each of the television receivers connected to the IP network. Channel selection operation setting system.

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