JP2008012845A - Image processor and display control program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an image processor which is improved in easiness and maintainability of development in a control concerning error notifications, while exploiting the merit of independence of various processing functions (components), and also to provide a display control program. <P>SOLUTION: In a multi-function processing machine 10, when scanning processing is being executed, a scanning execution indicating image plane indicative of the state of execution of scanning processing is displayed on an operating panel 11 (display request shown in the figure). If an error occurs in an image forming section 14 (error detection shown in the figure), the error having occurred in the image forming section 14 has nothing to do with the scanning processing using an image reading section 13, in an arbitration section 29, therefore, an image plane display request from a device control section 26 is kept waiting until the completion of the execution of the scanning processing, and the scanning execution screen currently displayed is continuously displayed. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an image processing apparatus and a display control program.

  In general, when an abnormality occurs in an image processing apparatus such as a printer, copier, or multifunction machine, a notification to that effect is displayed on the display unit of the operation panel installed in the apparatus body. Do. Various techniques related to this display have been proposed in the past. For example, Patent Document 1 mentions a technique related to the timing of error notification (abnormality notification).

In the technique disclosed in Patent Document 1, for example, if an error occurs in the image forming unit during execution of copy processing or fax reception processing in a multi-function peripheral or the like, the processing will be hindered. Although an error will be displayed, other than this, for example, during the execution of the scan process, even if the same error occurs, there will be no problem in continuing the process. Displays an error after the end of.
JP 2002-287572 A

  When developing an application that operates on the image processing apparatus, a team is formed separately for each processing function of the image processing apparatus, and development is often performed in units of the team. More specifically, for example, in the case of a multi-function device, it has a copy function, a scanner function, a fax function, etc., but for each of these processing functions, a team is formed and application development is performed separately. That is.

  Therefore, when performing error notification or status notification on the display unit installed in the image processing apparatus, it is necessary to provide a mechanism for performing display separately for each processing function, and in particular, for a device having multiple functions. During application development, it is difficult to adjust the timing of error notification as described above, and much effort has been spent on communication between teams and testing after application integration.

  Therefore, the present invention provides an image processing apparatus and a display control program that improve the ease of development and maintainability in control related to error notification while taking advantage of the independence of various processing functions (components). The purpose is to do.

  In order to achieve the above object, an image processing apparatus according to a first aspect of the present invention provides an acquisition means for acquiring a screen definition body corresponding to a screen being displayed based on a screen display request, and a screen definition body acquired by the acquisition means. Identifying means for identifying a device in use based on definition information; arbitration means for mediating a screen display based on the screen display request corresponding to the device in use identified by the identifying means; and the arbitration means Display control means for controlling the display based on the mediation by the display.

  In the invention of claim 2, in the invention of claim 1, the specifying means finds definition information for specifying a process being executed from the definition information of the screen definition body acquired by the acquiring means. Identify the device in use.

  The invention of claim 3 further comprises analysis means for analyzing the request contents of the screen display request according to the invention of claim 1, wherein the arbitration means determines that the request contents of the screen display request are generated by the analysis means. When the abnormality notification is analyzed, the screen display based on the screen display request is arbitrated based on the device indicated by the request content and the device in use specified by the specifying means.

  According to a fourth aspect of the present invention, in the first to third aspects of the present invention, if the screen display request is a notification relating to a system failure, the arbitration unit prioritizes the other screen display requests to the screen display request. Request display of the screen based on.

  The invention of claim 5 is the invention of claims 1 to 3, wherein the mediation means is the screen display request if the screen display request is an abnormality notification related to the device in use specified by the specifying means. Request screen display based on.

  According to a sixth aspect of the present invention, in the first to third aspects of the present invention, the arbitration unit is configured to display the screen display request if the screen display request is not an abnormality notification regarding the device in use specified by the specifying unit. Wait for the display of the screen based on.

  An image processing apparatus according to a seventh aspect of the invention includes an acquisition unit that acquires a screen definition body corresponding to a screen based on the screen display request in response to the screen display request, and a screen definition body acquired by the acquisition unit. Identifying means for identifying a device to be used based on definition information; arbitration means for mediating screen display based on the screen display request corresponding to the device to be used identified by the identifying means; and arbitration by the arbitration means Display control means for controlling the display based on the display on the display.

  The invention of claim 8 is a display control program for causing a computer to execute a process of displaying a screen on a display based on a screen definition body, and a screen definition body corresponding to a screen being displayed based on a screen display request An acquisition step of acquiring a device, a specifying step of specifying a device in use based on the definition information of the screen definition body acquired in the acquisition step, and the screen corresponding to the device in use specified in the specifying step An arbitration step for mediating screen display based on the display request, and a display control step for controlling display on the display of a screen based on the mediation by the arbitration step.

  The invention according to claim 9 is a display control program for causing a computer to execute a process of displaying a screen on a display based on a screen definition body, and a screen based on the screen display request corresponding to the screen display request. An acquisition step for acquiring a corresponding screen definition body, a specifying step for specifying a device to be used based on the definition information of the screen definition body acquired in the acquisition step, and a device for use specified in the specification step. An arbitration step for arbitrating the screen display based on the screen display request, and a display control step for controlling display on the display of the screen based on the arbitration by the arbitration step.

  According to the present invention, the screen display request from the various processing functions (components) is configured to be arbitrated based on the definition data (definition information) of the screen definition body. It is not necessary to be aware of the timing of abnormality notification.

  As a result, the ease of development and maintainability can be improved, so that the development man-hours and costs can be reduced, and the number of bugs generated can be suppressed.

  Further, since the screen display request from each component is arbitrated, the timing of error notification can be unified.

  Hereinafter, embodiments of an image processing apparatus and a display control program according to the present invention will be described in detail with reference to the accompanying drawings. In the present embodiment, the case where the image processing apparatus according to the present invention is applied to the multifunction machine 10 will be described as an example.

  FIG. 1 is a diagram illustrating an example of a schematic configuration of a multifunction machine 10 to which the present invention is applied.

  The multifunction machine 10 has various functions such as a copy, a scanner, and a fax machine, and its internal configuration is largely divided into an operation panel 11, a control unit 12, an image reading unit 13, and an image forming unit 14. .

  The operation panel 11 includes an input device such as a touch panel and a hard button, and a display device such as an LED (Light Emitting Diode) and an LCD (Liquid Crystal Display), and serves as a user interface that connects the user and the MFP 10. Fulfills the function.

  The control unit 12 includes a CPU (Central Processing Unit), a program memory, a working memory, various ASICs (Application Specific Integrated Circuits), and the like, and fulfills a function of performing overall control of the multifunction machine 10.

  The image reading unit 13 includes an illumination lamp, a lens, a CCD (Charge Coupled Device), and the like, and performs a scanner function of optically scanning a document placed on the platen glass and reading the document.

  The image forming unit 14 includes a photosensitive drum, a transfer belt, a fixing device, and the like, and fulfills a printer function of forming an image on a recording medium such as paper. In this embodiment, the case where the image forming unit 14 is configured by an electrophotographic method will be described as an example. However, the present invention is not limited to this, and other methods (for example, an ink jet method) may be adopted. . The above is the description of the rough internal configuration of the multifunction machine 10.

  Next, a part of the functional configuration of the control unit 12 described above will be described.

  The control unit 12 includes a display control unit 21, a definition storage unit 22, a copy control unit 23, a scan control unit 24, a fax control unit 25, a device control unit 26, and an input system as various processing function units. A device control unit 27, an output system device control unit 28, and an arbitration unit 29 are provided.

  The display control unit 21 has a function of controlling display of a screen to a display device on the operation panel 11. The display of this screen is performed based on the screen definition body stored in the definition body storage unit 22 described later.

  The definition body storage unit 22 functions as a storage device that stores one or more screen definition bodies. The details of the screen definition body will be described later, but are data defining the configuration of the screen.

  The copy control unit 23 performs a function of controlling the copy processing. The scan control unit 24 performs a function of controlling the scan process. The fax control unit 25 controls the fax process. It performs the function of overall control. As an example of the control process in the copy control unit 23, for example, when copying a document, the image reading unit 13 and the image forming unit 14 are controlled to execute the copy process. In the scan control unit 24 and the fax control unit 25, the same processing as that of the copy control unit 23 described above is performed at the time of scan processing if the scan control unit 24, and at the time of fax processing if the fax control unit 25.

  The device control unit 26 functions to monitor the state of devices (devices) such as the image reading unit 13 and the image forming unit 14. The monitoring of the device state is performed, for example, through the input system device control unit 27 in the case of the image reading unit 13, and is performed through the output system device control unit 28 in the case of the image forming unit 14, for example.

  The input system device control unit 27 functions to control the operation of the image reading unit 13, and the output system device control unit 28 functions to control the operation of the image forming unit 14. That is, the control and monitoring of the image reading unit 13 and the image forming unit 14 by the copy control unit 23, the scan control unit 24, the fax control unit 25, the device control unit 26, etc. This is indirectly performed through the control unit 28.

  The arbitration unit 29 performs a function of arbitrating screen display requests from the processing function units. The details of the arbitration process of the screen display request will be described later, but is performed based on the definition data of the screen definition body corresponding to the screen displayed on the operation panel 11 when the request is made.

  The above is the description of the various processing functions that constitute the control unit 12. Various processing functions (except for the definition body storage unit 22) configured on the control unit 12 may be implemented in software by an application or the like, or may be implemented in hardware by a dedicated ASIC or the like. May be.

  Now, let us say that scanning processing is being executed in the multifunction machine 10. At this time, a scanning execution screen indicating that the scanning process is being executed is displayed on the operation panel 11. This display is performed when the arbitration unit 29 that has received the screen display request from the scan control unit 24 requests the display control unit 21 to display the screen based on the request (display request in the figure).

  Here, it is assumed that an error has occurred in the image forming unit 14 during the execution of the scanning process. Then, in the multifunction device 10, the output system device control unit 28 detects an error that has occurred in the image forming unit 14, and notifies the device control unit 26 to that effect (abnormality detection in the figure).

  Receiving this, the device control unit 26 issues a screen display request to the arbitration unit 29 in order to inform the user of the error. That is, the arbitrating unit 29 arbitrates the screen display request from the scan control unit 24 and the screen display request from the device control unit 26.

  In the arbitration process in the arbitration unit 29, first, a screen display request from the device control unit 26 is analyzed. This is for identifying which device the screen display request is related to. As a result, it is specified here that the image forming unit 14 is concerned.

  When this analysis is completed, the arbitration unit 29 then acquires the screen definition body of the scan execution screen displayed on the operation panel 11 and refers to the acquired screen definition body to determine which device is in use. Is identified. As a result, it is specified that the image reading unit 13 is in use.

  Here, the error generated in the image forming unit 14 does not hinder the continuation of the scanning process using the image reading unit 13. For this reason, the arbitrating unit 29 waits for the screen display request from the device control unit 26 until the end of the execution of the scan process, and continues to display the currently executing scan execution screen as it is.

  Next, a part of the functional configuration of the arbitration unit 29 described above will be described with reference to FIG.

  The arbitration unit 29 includes a request reception unit 31, a request analysis unit 32, a definition body acquisition unit 33, a device identification unit 34, and a request arbitration unit 35 as various processing function units.

  The request receiving unit 31 has a function of receiving a screen display request from various processing functions configured on the control unit 12. That is, in this embodiment, screen display requests from the copy control unit 23, the scan control unit 24, the fax control unit 25, and the device control unit 26 are accepted.

  The request analysis unit 32 performs a function of analyzing the screen display request received by the request reception unit 31. More specifically, whether the received screen display request is a display request related to a device, or is a display request for notifying an urgent system failure (a state in which normal operation cannot be maintained). Is analyzed. If the display request is for a device, it is further analyzed which device the display request is for.

  The definition body acquisition unit 33 performs a function of acquiring, from the definition body storage unit 22, a screen definition body corresponding to the screen being displayed when the request analysis unit 32 analyzes that the display request is related to a device.

  The device specifying unit 34 functions to specify a device in use based on the definition data of the screen definition body acquired by the definition body acquisition unit 33. For example, when the definition data related to the scanning process exists in the screen definition body, the image reading unit 13 is identified as a device in use.

  When request arbitration unit 35 receives a plurality of screen display requests, request arbitration unit 35 performs a function of arbitrating the requests. This arbitration is performed based on the analysis result of the screen display request by the request analysis unit 32 and the identification result of the device in use by the device identification unit 34, and display based on the screen display request to the display control unit 21 based on the result. A request is made. The above is the description of the various processing functions that constitute the arbitration unit 29.

  Next, the configuration of the screen and the screen definition body will be described with reference to FIGS. 3 and 4, and an outline of processing for specifying a device in use based on the described screen will be described.

  FIG. 3 shows the screen layout of the copy execution screen, and FIG. 4 shows a part of the configuration of the screen definition body of this copy execution screen. This copy execution screen is a screen displayed during the execution of the copy process.

  As shown in FIG. 4, the screen definition body is provided with definition data such as “identifier”, “type”, “label”, and “value” for each definition content. Based on the screen definition body shown in FIG. 4, the copy execution screen shown in FIG. 3 is displayed. For example, “Value: Copying” is set as a character string in “Identifier: Message” of the screen definition body. This is the message area at the top of the screen during copy execution shown in FIG. Will be displayed.

  Here, several methods for specifying a device in use on the basis of definition data of a screen definition body constituting the screen during copy execution will be listed and described. First, a device in use can be identified by finding copy-specific definition data from the screen definition body. For example, it can be seen that one of the “identifier” items on this copy execution screen is provided with “paper feed tray”, but the paper used for copying is stored in the paper feed tray. If there is definition data relating to the paper feed tray, it can be said that the process related to the copy process is being performed, and the image reading unit 13 and the image forming unit 14 used in the copy process can be specified as devices in use. . Here, in order to make the explanation easy to understand, the case where the multifunction machine 10 is used only as a printer is not considered. Therefore, only the definition data of the paper feed tray can be said to be definition data specific to copying.

  Second, a device in use can be specified by finding specific information from the definition data. For example, you can see that “Value: Copying” is set in “Identifier: Message” and “Value: Copy” is set in “Identifier: Title” in this copy execution screen. The device in use is specified in the same manner as described above so that it is determined that the process related to the copy process is being performed from the word “copy” included in the.

  Third, when there is no copy-specific definition data, a device in use can be identified by finding a plurality of definition data related to the copy. For example, it can be seen that the “Identifier” item on the copy execution screen includes “Number of copies”, “Page”, “Color mode”, and “Paper size”. In addition, the device in use is identified in the same manner as described above by determining that the process related to the copy process is being performed.

  As described above, the outline of processing in the device specifying unit 34 has been described using the copy execution screen as an example with reference to FIGS. 3 and 4. However, the method given here is merely an example, and other methods are used. To identify the device in use.

  Needless to say, a device in use can be specified by performing the same processing as described above on other screens. For example, the basic scan screen shown in FIG. 5 will be described. Referring to the configuration of the screen definition screen of the basic scan screen shown in Fig. 6, "Identifier: Message" is "Value: Scanning is allowed. Specify the save destination", "Identifier: Title" is "Value: Scanner" (Box save) ”is set, but by finding the word“ scan ”or“ scanner ”included in this“ value ”item, it can be determined that the process related to the scan process is being performed, and is in use. Can be identified as the image reading unit 13.

  In addition, since “double-sided document feed” and “original image quality” are provided in the “identifier” item defined in this screen definition body, the processing related to the scan processing is performed as described above. It is possible to determine the device in use.

  Note that this scan basic screen is a screen for performing preparatory processing such as setting parameters at the time of scanning processing, and therefore, the device such as the image reading unit 13 is not actually operating, and strictly speaking, It can be said that the device is not in use. Whether or not the arbitration process is performed on the assumption that the device is in use with the screen for performing the preparation process can be appropriately changed depending on the operation setting of the multifunction machine 10.

  Next, the operation of the multifunction machine 10 shown in FIGS. 1 and 2 will be described with reference to FIG. FIG. 7 shows a flowchart showing the operation of the arbitration process. Here, an operation when an error notification display request is made during display of a screen indicating the processing state will be described.

  First, it is assumed that a screen display request due to an error occurring in the device is issued from the device control unit 26 to the arbitration unit 29 (YES in step S101). Then, in the arbitration unit 29, the request analysis unit 32 analyzes this screen display request. In other words, if the received screen display request is a display request for reporting a system failure or a display request related to a device, the display request related to a device is analyzed. An analysis is performed (step S102).

  As a result of this analysis, if the received screen display request is a display request for reporting a system failure (YES in step S103), the request arbitration unit 35 that has received this immediately displays a screen based on the display request. Is requested to the display control unit 21 (step S107). In other words, when a system failure occurs, a notification that informs this is given priority over other display requests.

  On the other hand, if it is not a display request for reporting a system failure (NO in step S103), the definition body acquisition unit 33 acquires the screen definition body of the currently displayed screen (step S104). When the screen definition body is acquired, the device specifying unit 34 then specifies a device in use based on the acquired definition data of the screen definition body (step S105).

  Here, the request arbitration unit 35 first determines whether or not the screen display request received in step S101 relates to a device in use (step S106). This determination must be made immediately if it is a screen display request for notifying that an error has occurred in the device in use, but if this is not the case, the process being executed will be hindered. This is because there is no need to notify at this time because it does not come.

  As a result, if the screen display request received in step S101 is not related to the device in use (NO in step S106), the request arbitration unit 35 waits for this screen display request and displays the displayed screen as it is. On the other hand, if the screen display request received in step S101 relates to the device in use (YES in step S106), the request arbitration unit 35 responds to this screen display request. The display control unit 21 is requested to display the screen based on it (step S107). As a result, a screen based on the screen display request received in step S101 is displayed on the operation panel 11.

  Next, the operation of the multifunction machine 10 shown in FIGS. 1 and 2 will be described with reference to FIG. FIG. 8 shows a flowchart showing the operation of the arbitration process. Here, an operation when a display request for a screen indicating a processing state is made while an error notification is being displayed will be described.

  First, it is assumed that a screen display request for displaying a screen indicating a processing state (for example, a screen display request for requesting display of a scan execution screen) is issued from the scan control unit 24 to the arbitration unit 29 (step S201). YES) Then, the arbitration unit 29 determines whether or not an error notification screen (for example, a screen for reporting a device error) is being displayed (step S202).

  As a result of this determination, if the error notification screen is not being displayed (NO in step S202), the request arbitration unit 35 that has received this requests the display control unit 21 to display a screen based on the display request. (Step S206).

  On the other hand, if the error notification screen is being displayed (YES in step S202), the definition body acquisition unit 33 acquires the screen definition body of the screen based on the screen display request received in step S201 (step S203). ). When the screen definition body is acquired, the device specifying unit 34 then specifies a device to be used based on the acquired definition data of the screen definition body (step S204).

  Here, the request arbitration unit 35 first determines whether or not the specified used device is related to the device on the error notification screen being displayed (step S205). This determination is made because if the device that is notified of the error is a device to be used, the start of the process is hindered.

  As a result, if the specified used device is related to the device on the error notification screen being displayed (YES in step S205), the request arbitration unit 35 waits for this screen display request, and the screen being displayed is left as it is. If it is not related to the device of the error notification screen being displayed (NO in step S205), the request arbitration unit 35 displays the screen based on this screen display request. The display control unit 21 is requested (step S206). As a result, a screen based on the screen display request received in step S201 is displayed on the operation panel 11.

  Although the above is an example of typical embodiment of this invention, this invention is not limited to the Example shown to the said and drawing, It can implement suitably deform | transforming within the range which does not change the summary. .

  For example, in the above embodiment, the screen display request for notifying the error is configured to analyze the request and identify the content of the error. May be acquired and the device in which the error has occurred may be specified based on the acquired definition data of the screen definition body.

  Further, in the above embodiment, the case where the device in use is specified based on the definition data without changing the configuration of the existing screen definition body has been described. You may comprise so that it may add. For example, taking the copy execution screen described with reference to FIG. 4 as an example, as shown in FIG. 9, “used device” is added to the “identifier” item, and the “value” is added. In the item, a device to be used when the screen is being displayed is set. In this case, the device specifying unit 34 can specify a device in use by referring to the definition.

  Further, in the above-described embodiment, the case where the image processing apparatus according to the present invention is applied to the multifunction machine 10 has been described as an example. However, the present invention is not limited thereto, and the image processing apparatus according to the present invention is not limited to a printer, The present invention may be applied to a copying machine, a fax machine, a scanner, or the like.

  In the above embodiment, the case where the image processing apparatus according to the present invention is applied has been described. However, this process may be performed by a display control program installed in a computer. This display control program can be provided not only by communication means such as a network but also by storing it in a recording medium such as a CD-ROM.

  The image processing apparatus and display control program of the present invention can be applied to image processing apparatuses such as printers, copiers, fax machines, and scanners, and display control programs in general that cause a computer to execute this processing.

1 is a diagram illustrating an example of a schematic configuration of a multifunction machine 10 to which the present invention is applied. It is a figure which shows a part of functional structure of the arbitration part 29 shown in FIG. It is a figure which shows an example of the screen layout of a copy execution screen. FIG. 4 is a diagram showing a part of the configuration of a screen definition body of the copy execution screen shown in FIG. 3. It is a figure which shows an example of the screen layout of a scan basic screen. It is a figure which shows a part of structure of the screen definition body of the scan basic screen shown in FIG. 3 is a flowchart showing a first operation of the multifunction machine 10 shown in FIGS. 1 and 2. 3 is a flowchart showing a second operation of the multifunction machine 10 shown in FIGS. 1 and 2. It is a figure which shows a part of structure of the screen definition body of the copy execution screen concerning a modification.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 MFP 11 Operation panel 12 Control part 13 Image reading part 14 Image forming part 21 Display control part 22 Definition body storage part 23 Copy control part 24 Scan control part 25 Fax control part 26 Device control part 27 Input system device control part 28 Output System device control unit 29 Arbitration unit 31 Request reception unit 32 Request analysis unit 33 Definition body acquisition unit 34 Device specification unit 35 Request arbitration unit

Claims (9)

An acquisition means for acquiring a screen definition body corresponding to the screen being displayed based on the screen display request;
Identifying means for identifying a device in use based on the definition information of the screen definition body obtained by the obtaining means;
Mediation means for mediating screen display based on the screen display request corresponding to the device in use identified by the identifying means;
An image processing apparatus comprising: a display control unit configured to display on a display a screen based on the arbitration by the arbitration unit. The specifying means is:
The image processing apparatus according to claim 1, wherein a device in use is specified by finding definition information for specifying a process being executed from definition information of a screen definition body acquired by the acquisition unit. Further comprising analysis means for analyzing the request content of the screen display request,
The mediation means is
When the analysis unit analyzes that the request content of the screen display request is an abnormality notification related to the device, the screen display request is based on the device indicated by the request content and the device in use specified by the specifying unit. The image processing apparatus according to claim 1, wherein mediation of screen display based on the image processing is performed. The mediation means is
The image processing apparatus according to any one of claims 1 to 3, wherein if the screen display request is a notification regarding a system failure, the screen display request based on the screen display request is given priority over other screen display requests. The mediation means is
The image processing apparatus according to any one of claims 1 to 3, wherein if the screen display request is an abnormality notification related to an in-use device specified by the specifying unit, a screen display is requested based on the screen display request. The mediation means is
The image processing apparatus according to any one of claims 1 to 3, wherein if the screen display request is not an abnormality notification related to the device in use specified by the specifying unit, the screen display based on the screen display request is waited. An acquisition means for acquiring a screen definition corresponding to the screen based on the screen display request in response to the screen display request;
A specifying unit for specifying a device to be used based on the definition information of the screen definition body acquired by the acquiring unit;
Mediation means for mediating screen display based on the screen display request corresponding to the device used by the identifying means;
An image processing apparatus comprising: a display control unit configured to display on a display a screen based on the arbitration by the arbitration unit. A display control program for causing a computer to execute a process of displaying a screen on a display based on a screen definition body,
An acquisition step of acquiring a screen definition body corresponding to the screen being displayed based on the screen display request;
A specific step of identifying a device in use based on the definition information of the screen definition body acquired in the acquisition step;
An arbitration step for mediating screen display based on the screen display request corresponding to the device in use identified in the identifying step;
A display control program comprising: a display control step for controlling display on a display device based on the arbitration in the arbitration step. A display control program for causing a computer to execute a process of displaying a screen on a display based on a screen definition body,
An acquisition step of acquiring a screen definition corresponding to the screen based on the screen display request in response to the screen display request;
A specific step of identifying a device to be used based on the definition information of the screen definition body acquired in the acquisition step;
An arbitration step of mediating screen display based on the screen display request corresponding to the device to be used identified in the identifying step;
A display control program comprising: a display control step for controlling display of a screen based on the arbitration in the arbitration step on a display device.

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