JP2019220031A - Electronic apparatus, sales data processing system, and program - Google Patents

Abstract

To efficiently register information.SOLUTION: A tablet 100 which has a display operation part 10 in which a display function and an operation function are integrated and which can be communicatively connected to a sales data processing device 200 having a display part 230 comprises: a control part 50 for transmitting a display instruction to display related information (additional information and support information) related to the information on the display part when prescribed information (essential information) is inputted to the display operation part.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an electronic device, a sales data processing system, and a program.

  In stores that sell products and provide food and drink, cash registers provided with keyboards and indicators are frequently used. There is known an information processing apparatus in which a printer, a display, and a tablet terminal are connected via an interface board to function as a cash register (Patent Document 1).

JP 2015-18521 A

  By the way, using a tablet terminal communicably connected to the cash register, it becomes possible to perform an ordering operation for food and drink near the customer table. Although orders for food and drink can be completed only with the tablet terminal, there is a demand for further improvement in work efficiency because the display operation unit of the tablet terminal is limited in size.

  The present invention has been made to solve such a problem, and an object of the present invention is to provide an electronic device, a sales data processing system, and a program capable of efficiently registering information.

  In order to solve the above-mentioned problem, the present invention has a display operation unit in which a display function and an operation function are integrated, and communicates with a sales data processing device (for example, an ECR (Electronic Cash Register)) having the display unit. A connectable electronic device (for example, a tablet terminal), and when predetermined information (for example, essential information) is input to the display operation unit, related information relating to the information (for example, additional information for the essential information) , Support information) on the display unit. The control unit transmits a display instruction to the sales data processing device. The symbols and characters in parentheses are examples.

  According to the present invention, information can be registered efficiently.

It is a lineblock diagram of an order receiving device which is an embodiment of the present invention. 1 is a perspective view illustrating an appearance of a sales data processing system according to an embodiment of the present invention. It is a figure showing an example of a related information table. 5 is a flowchart illustrating a communication operation of the sales data processing system according to the embodiment of the present invention. FIG. 9 is a diagram illustrating an example of a communication setting screen indicating a communication state of the electronic device. 5 is a flowchart illustrating a display operation of the sales data processing system according to the embodiment of the present invention. It is a figure showing an example of a sales registration screen. It is an example (1) of the screen displayed on the display part of the sales data processing device. It is an example (2) of the screen displayed on the display part of the sales data processing device. It is an example (3) of the screen displayed on the display part of the sales data processing device. It is an example (4) of the screen displayed on the display part of the sales data processing device. It is an example (5) of the screen displayed on the display part of a sales data processing apparatus. It is an example (6) of the screen displayed on the display part of the sales data processing device. It is an example (7) of the screen displayed on the display part of the sales data processing device. It is an example (8) of the screen displayed on the display part of the sales data processing device. It is a figure showing the electronic equipment on which an example of the sales registration screen in the modification was displayed. 13 is an example of a screen displayed on a display unit of a sales data processing device in a modified example.

  Hereinafter, an embodiment of the present invention (hereinafter, referred to as “the present embodiment”) will be described in detail with reference to the drawings. In addition, each figure is only schematically shown to the extent that the present embodiment can be sufficiently understood. In addition, in each drawing, common constituent elements and similar constituent elements are denoted by the same reference numerals, and redundant description thereof will be omitted.

(Embodiment)
FIG. 1 is a configuration diagram of a sales data processing system according to an embodiment of the present invention, and FIG. 2 is a perspective view illustrating an appearance of a sales data processing system according to an embodiment of the present invention.
The sales data processing system 1 is configured such that the electronic device 100 and the sales data processing device 200 can be connected to each other by short-range wireless communication. Note that the electronic device 100 can be mounted on the sales data processing device 200 and used.

  The electronic device 100 is a tablet terminal configured to include a display operation unit 10, a communication unit 20, a ROM (Read Only Memory) 40, a RAM (Random Access Memory) 45, and a control unit 50. The display operation unit 10 is a touch panel in which a display function and an operation function are integrated.

  The sales data processing device 200 includes a communication unit 220, a display unit 230, a customer display unit 235, an operation unit 240, a control unit 250, a printing unit 260, a ROM 290, and a RAM 295. . The display unit 230 is an LCD (Liquid Crystal Display) or an LED (Light Emitting Diode), and mainly displays a number indicating a unit price or a total of commodities and services (hereinafter, commodities and the like). The customer display unit 235 is provided on the opposite side of the display unit 230, and is a display on which the customer checks the amount and the like. The operation unit 240 includes a numeric keypad and the like composed of a plurality of switches. The sales data processing device 200 is a device for registering a sold product based on the operation of the operation unit 240, and displays the product registration information such as the price of the product and change on the display unit 230.

  The communication units 20 and 220 are hardware for performing short-range wireless communication such as Bluetooth (registered trademark) and Wi-Fi (registered trademark). The printing unit 260 is a thermal transfer printer that prints a receipt. The RAMs 45 and 295 are volatile storage units for temporarily storing related information described later. The ROMs 40 and 290 are non-volatile storage units that store a related information table 41, an OS (Operating System) and a program 42.

FIG. 3 is a diagram illustrating an example of the related information table.
The related information table 41 is a table in which combinations of related information 41b, variables 41c, and character strings 41d are listed with numbers 41a. For example, in the column of the number “001”, the related information “alcohol confirmation” is a character string “confirm the presence or absence of an order for alcoholic beverages”. This character string is displayed when the customer segment is in their twenties, as described later. The description of the columns of numbers “002” to “008” will be described later.

  The control unit 50 is a CPU (Central Processing Unit), and realizes functions of a sales registration unit 51, a display operation control unit 52, and a related information generation unit 53 by executing an OS and a program. The sales registration unit 51 is a functional unit that manages from receiving an order for a product or the like to receiving the price. The display operation control unit 52 is a functional unit that causes the display operation unit 10 to display a sales registration screen, and executes processing in association with the sales registration unit 51. The related information generation unit 53 generates information (for example, additional information or support information for the essential information) related to the predetermined information (essential information) input using the operation function of the display operation unit 10. Specifically, the related information generation unit 53 selects the predetermined number 41a of the related information table 41 based on the input predetermined information, and determines the character string 41d according to the variable 41c as the related information 41b. I do. Then, the related information generation unit 53 causes the communication unit 20 to transmit the generated character string 41d as the related information 41b to the sales data processing device 200.

  The control unit 250 is a CPU, and realizes the functions of the sales registration unit 51 and the display operation control unit 52 by executing an OS and a program. The sales registration unit 251 is a functional unit that manages from receiving an order for a product or the like to receiving the price. The display operation control unit 252 is a functional unit that causes the display unit 230 to display the unit price and the total of products and the like, and receives input performed by the operation unit 240. In particular, in the present embodiment, the display operation control unit 252 causes the display unit 230 to display the related information received by the communication unit 220. When communication is not established, the display operation control unit 252 causes the display unit 230 to display product registration information such as the price of the product and change.

FIG. 4 is a flowchart illustrating a communication operation of the sales data processing system according to the embodiment of the present invention, and mainly illustrates an operation when the control unit 50 of the electronic device 100 is executing an OS.
When the sales data processing device 200 is in a standby state (S1), the control unit 50 of the electronic device 100 issues a wireless connection instruction to the sales data processing device 200 (S2). The sales data processing device 200 performs a process of replying to the wireless connection instruction to the electronic device 100 (S3). The electronic device 100 determines whether communication has been established within a predetermined time, that is, whether or not a reply to the wireless connection instruction has been received within the predetermined time (S4). When the communication is established within the predetermined time (“communication established” in S4), the electronic device 100 performs setting so that “connected” is displayed on the setting screen (S5). On the other hand, if the communication is not established within the predetermined time, that is, if the reply to the wireless connection instruction is not within the predetermined time (“communication is not established” in S4), the electronic device 100 displays “Unconnected” on the setting screen. Is set (S6). After the processing of S5 or S6, the electronic device 100 displays a menu screen (S7), and waits until an application icon is tapped (S8).

FIG. 5 is a diagram illustrating an example of a communication setting screen indicating a communication state of the electronic device.
The communication setting screen 310 is a screen displayed when a “communication setting” button (not shown) is tapped on the menu screen of the electronic device 100. The communication setting screen 310 includes a user display field 311, a “Bluetooth (registered trademark)” setting display button 312, a “Bluetooth (registered trademark)” on / off setting switch 313, and a “Bluetooth (registered trademark)” status display 314. And

  The “Bluetooth (registered trademark)” setting display button 311 is used to select one of communication modes such as “airplane mode”, “Wi-Fi (registered trademark)”, “Bluetooth”, “mobile network”, and “tethering”. This button is tapped when making Bluetooth communication settings. When the “Bluetooth (registered trademark)” setting display button 311 is tapped, a setting screen in the right column is displayed. The “Bluetooth (registered trademark)” on / off setting switch 313 is a switch for selecting use / non-use of Bluetooth (registered trademark). The “Bluetooth (registered trademark)” status display 314 is an area for displaying whether “unconnected” or “connected” in Bluetooth (registered trademark). In the display example of FIG. 5, “ECR-001” indicating that the “paired device” is the sales data processing device 200 is “not connected”. In the display example of FIG. 5, a plurality of names of other usable devices are displayed.

FIG. 6 is a flowchart illustrating a display operation of the sales data processing system according to the embodiment of the present invention. This routine is activated when a cashier application icon is tapped on the menu screen of the electronic device 100.
The control unit 50 of the electronic device 100 causes the display operation unit 10 to display the sales registration screen 400 (FIG. 7) (S20).

FIG. 7 is a diagram illustrating an example of the sales registration screen.
The sales registration screen 400 includes a subtotal field 410, a numeric keypad field 420, a “customer” field 430, a customer count field 435, a product selection field 440, a detail field 450, a “MENU” selection field 460, and a screen selection field. 470. The subtotal column 410, the numeric keypad column 420, and the description column 450 are provided on the left side, and the "customer" column 430, the product selection column 440, and the "MENU" selection column 460 are provided on the right side. Have been. Further, the subtotal column 410 and the description column 450 are arranged vertically.

  The subtotal column 410 includes a “total” display column 411 and a “tax” display column 412 arranged vertically. Here, as a specific example, a total “\ 4780” and a tax “\ 354” are displayed. The numeric keypad 420 includes a numeric display column 421, a numeric keypad 422, and a function button 423. The specification column 450 includes a “product name” list column 451, a “quantity” display column 452, and a “money” display column 453 arranged side by side in the left-right direction. A blank area 454 is provided below the “product name” list field 451, the “quantity” display field 452, and the “amount” display field 453.

  The “customer” column 430 includes a “customer” specifying column 431 and a “customer class” specifying column 432 provided side by side. The product selection field 440 includes a plurality of types of product selection buttons. The “MENU” selection field 460 is composed of a plurality of MENU buttons. For example, when “MENU02” is tapped, a pub menu as shown in FIG. 6 is displayed in the product selection column 440. The screen selection field 470 includes a “Cancel” button 471, a “Product” button 472, a “Transaction” button 473, a “Function” button 474, a “Slip” button 475, a “Subtotal” button 476, a “Temporary fastening” button 477, A “Pay” button 478 is provided. The number of customers column 435 is a column for inputting the number of customers with the ten keys 422.

  The specification column 450a includes a “product name” list column 451, a “quantity” display column 452, and a “money” display column 453, which are arranged side by side in the left-right direction together with a blank region 454a. In the specification column 450a, the number of four specification lines is secured. For example, a product name "glass wine", quantity "2", price "\ 1,600", a product name "craft beer", quantity "1", price "\ 980", product name "cocktail", quantity "1", Four lines are displayed with the price “\ 700”, the product name “Sake”, the quantity “1”, and the price “\ 1,200”. The lower part of the blank area 454a is blank when the number of products is small.

  In the detail column 450a of FIG. 7, only four lines are displayed. However, when the scroll bar attached to the right side of the detail column 450a is moved, the fifth line displays, for example, the product name “green tea”, the number “1”, The amount "\ 300" is further displayed. That is, the subtotal column 410 (FIG. 7) displays a total of "\ 4780" and a tax "\ 354" of these five types and six products.

  Returning to the flowchart of FIG. 6, using the operation function of the display operation unit 10, the input information (input information) is “commodity”, “customer information”, “customer class”, or “number of customers”. Is determined (S21). When the input information (essential information) is “customer layer” (“customer layer” in S21), the electronic device 100 determines whether the customer layer is in their 20s (S22). If the customer segment is in the twenties (“20s” in S22), the related information generation unit 53 of the electronic device 100 selects the number 41a of the related information table 41 (FIG. 3) based on the determination result in S22. Then, a character string 41d is set as the related information 41b, and the process proceeds to S30. Specifically, the related information generation unit 53 selects the number “001” or “002” of the related information table 41 and, as the related information “alcohol confirmation” regarding the customer segment, for example, determines whether the character string “alcohol order is present or not”. Confirmation "and a character string" reconfirmation of being over 20 years old "are set (S23).

  On the other hand, if the customer segment is over the age of 20 (“exceeds the age of 20” in S22), the electronic device 100 proceeds to S30 without setting the character string 41d as the related information 41b. When the input information is the “number of customers” (essential information) (“the number of customers” in S21), the electronic device 100 determines whether the number of customers is equal to or greater than a predetermined number of customers (for example, 10) (S24). When the number of customers is equal to or more than the predetermined number (“more than” in S24), the related information generation unit 53 selects the number “003” in the related information table 41 and relates the related information (support information) related to the number of customers to “recommend sashimi. "Is set as a character string" Recommend a high unit price sashimi (10 servings) "(S25). On the other hand, when the number of customers is less than the predetermined number of customers ("less than" in S24), electronic device 100 proceeds with the process to S30 without setting related information.

  If the input information is customer information (essential information) (“customer information” in S21), the related information generation unit 53 selects the number “004” in the related information table 41 and sets the related information (additional information) related to the customer. ) "Latest sales registration information" is set (S26), and the process proceeds to S30. At this time, the related information generation unit 53 sets the customer information (customer name = “Takahashi”, number of visits = “10”, average unit price = “5,000”, last visit date = ”) listed in the variable 41c (FIG. 3). By applying "3/18"), the character string "Takahashi-sama, 10th visit, average 5,000 yen, previous 3/18 visit" as the related information "the latest sales registration information" is set (S26).

  If the input information is product information (essential information) (“product” in S21), the electronic device 100 determines whether or not the stock of the product is equal to or more than a predetermined number (S27). When the stock of the specified product is equal to or more than the predetermined number (“more than” in S27), the related information generation unit 53 selects the number “005” in the related information table 41 and sets the related information (additional information) related to the customer. ) "Product stock information" is set (S28), and the process proceeds to S30. At this time, the related information generation unit 53 applies the product information (product name = “glass wine”, stock quantity = “10”) listed in the variable 41c (FIG. 3) to generate the related information “product stock information. Is set as the character string "glass wine, stock number 10" (S28).

  On the other hand, when the stock of the designated product is less than the predetermined number (“less than” in S27), the related information generation unit 53 selects the number “005” in the related information table 41 and sets the related information ( (Support information) “Product order information” is set (S29), and the process proceeds to S30. At this time, the related information generation unit 53 applies the product information (product name = “glass wine”, stock quantity = “10”) listed in the variable 41c (FIG. 3), and outputs the related information “product order information. ("Glass wine, remaining stock number 2, order required") (see FIG. 11) is set (S29).

  After the processing of S23, S25, S26, S28, S29, etc., the electronic device 100 sets the sales data so that the display unit 230 of the sales data processing device 200 displays the character string (display content) as the set related information. A display instruction is issued to the processing device 200 (S30). Accordingly, the display operation control unit 252 of the sales data processing device 200 causes the display unit 230 to display the received display content (see FIGS. 8 to 13). When the stock of the product is less than the predetermined number (“less” in S27), the display unit 230 blinks, for example, a character string “glass wine, remaining stock 2, required order” (see FIG. 13). .

  After the process of S30, the electronic device 100 determines whether all items of the product, customer information, customer class, and number of customers on the sales registration screen 400 (FIG. 7) have been input (S32). If a part of the merchandise, customer information, customer segment, and number of customers has been input ("partial input" in S32), the electronic device 100 returns the process to S20 and redisplays the sales registration screen 400. On the other hand, if all of the product, customer information, customer class, and number of customers have been input (“all input” in S32), the electronic device 100 executes sales registration of the specified product (S33). After the sales registration, the electronic device 100 determines whether the daily target has been achieved (S34).

  If the daily goal is not achieved (“not achieved” in S34), the related information generation unit 53 of the electronic device 100 selects the number “007” of the related information table 41 and sets the related information (additional information) related to the customer. ) "Target information" is set (S35). At this time, the related information generation unit 53 applies the characters (target number of customers = “150”, target sales = “50”) listed in the variable 41c (FIG. 3), and outputs the characters as the related information “target information”. A column “Today's target, 150 customers, sales 500,000 yen” (see FIG. 12) is set (S35). On the other hand, if the daily goal is achieved (“achieved” in S34), the related information generation unit 53 selects the number “008” in the related information table 41 and sets the related information (additional information) related to the customer “target achieved”. , The character string “Today's sales target amount has been achieved.” Is set (S36).

  After the processing in S35 or S36, the electronic device 100 transmits a display instruction to display the set related information on the display unit 230 to the sales data processing apparatus 200, and displays the character string (display content) as the set related information. The data is transmitted to the sales data processing device 200 (S37). Thereby, the sales data processing device 200 displays the received display content (FIGS. 14 and 15) on the display unit 230 (S38). After the process of S37, the electronic device 100 returns the process to S20, and redisplays the sales registration screen 400 (FIG. 7).

  According to the sales data processing system 1 of the present embodiment, when the communication between the electronic device 100 and the sales data processing 200 is established, the display operation unit 10 of the electronic device 100 displays the sales information (customer customer layer, number of people, product). ) Is received, the display unit 230 of the sales data processing 200 displays related information (for example, past product information provided to the customer, product stock information) related to the sales information (essential information) and support information ( For example, the display unit displays the information for introducing a product for multiple persons, the information for prompting an order for the product, and the information indicating that the sales target has been achieved. On the other hand, when communication between the electronic device 100 and the sales data processing 200 is not established, the display unit 230 of the sales data processing 200 displays product registration information on the display unit.

(Modification)
The present invention is not limited to the above-described embodiment. For example, the following various modifications are possible.
(1) The sales data processing system 1 according to the embodiment has been described with respect to the operation of actually executing sales registration. However, the sales data processing system 1 may perform a training mode for training sales registration. When the icon of the training application is tapped (input of predetermined information) on the MENU screen, the character string “sales registration” of the sales registration screen 400 (FIG. 7) is displayed on the display operation unit 10 of the electronic device 100. A sales registration screen 401 (see FIG. 16) changed to “sales registration (training mode)” is displayed. The display unit 230 (see FIG. 17) of the sales data processing device 200 displays, as related information (support information) for the predetermined information, operation information to be operated next, for example, a character string “select one product next. Tap "Payment." Is displayed. Thus, the operator can tap the product button in the product selection field 440 and tap the “pay” button 478.

(2) The sales data processing system 1 according to the embodiment displays the target information shown in FIG. 14 on the display unit 230 when the daily target is not achieved (“not achieved” in S34). The target information shown in FIG. 14 may be displayed on the display unit 230 even in a non-operation state in which no input is performed. That is, target information as related information related to sales is displayed on the display unit 230 of the sales data processing device 200 according to the operation state of the display operation unit 10.

(3) The sales data processing system 1 of the embodiment displays the character string “confirm the presence or absence of an order for alcoholic beverages” as the related information “confirmation of alcohol” when the customer segment is in their twenties. It may be displayed when customer information is input.

(Appendix)
<Claim 1>
An electronic device having a display operation unit in which the display function and the operation function are integrated, and being communicably connectable to a sales data processing apparatus having the display unit,
An electronic device, comprising: a control unit configured to transmit a display instruction for displaying related information related to sales on the display unit to the sales data processing device in accordance with an operation state of the display operation unit.
<Claim 2>
The electronic device according to claim 1,
The electronic device, wherein the control unit receives an input of information as an operation state of the display operation unit.
<Claim 3>
The electronic device according to claim 2,
The information is sales information,
The electronic device, wherein the related information is support information for supporting sales of a product.
<Claim 4>
The electronic device according to claim 1,
The electronic device according to claim 1, wherein the operation state includes a non-operation state in which the operation of the display operation unit is not performed.
<Claim 5>
The electronic device according to claim 1,
The electronic device, wherein the display unit displays product registration information when communication with the sales data processing device has not been established.
<Claim 6>
An electronic device system in which a sales data processing device having a display unit and an electronic device having a display operation unit in which a display function and an operation function are integrated are communicably connected to each other,
The electronic device, when predetermined information is input to the display operation unit, transmits a display instruction to display related information related to the information on the display unit to the sales data processing device,
The sales data processing system displays the related information received from the sales data processing device on the display unit.
<Claim 7>
The sales data processing system according to claim 6, wherein
The sales data processing system, wherein when the communication with the electronic device has not been established, the sales data processing apparatus displays product registration information on the display unit.
<Claim 8>
A program executed by a control unit of an electronic device capable of communicating with a sales data processing device having a display unit, the display unit having a display operation unit in which a display function and an operation function are integrated,
A program for executing, when predetermined information is input to the display operation unit, a step of transmitting a display instruction to display related information related to the information on the display unit to the sales data processing device.
<Claim 9>
The electronic device according to claim 2,
The information input to the display operation unit is customer's age information,
The electronic device according to claim 1, wherein the related information is confirmation request information that prompts confirmation of whether or not alcohol is provided or reconfirmation of age.
<Claim 10>
The electronic device according to claim 2,
The information input to the display operation unit is information of a plurality of customers,
The electronic device, wherein the related information is information on mediation of merchandise for a plurality of persons.
<Claim 11>
The electronic device according to claim 2,
The information input to the display operation unit is information for identifying a customer,
The electronic device, wherein the related information is past product information provided to the customer.
<Claim 12>
The electronic device according to claim 2,
The information input to the display operation unit is identification information relating to a product registered for sales,
The electronic device, wherein the related information is stock information of the product.
<Claim 13>
The electronic device according to claim 2,
The information input to the display operation unit is identification information relating to a product registered for sales,
The electronic device, wherein the related information is information that prompts an order for the product.
<Claim 14>
The electronic device according to claim 2,
The information input to the display operation unit is sales registration completion information,
The electronic device, wherein the related information is information indicating that a sales target has been achieved.
<Claim 15>
The electronic device according to claim 2,
The information input to the display operation unit is operation information in a training mode of sales registration,
The electronic device, wherein the related information is guidance information indicating an operation procedure.

Reference Signs List 1 sales data processing system 10 display operation unit 20, 220 communication unit 40, 290 ROM (non-volatile storage unit)
41 Related information table 45 Volatile storage unit (related information)
50 control unit 51, 251 sales registration unit 52, 252 display operation control unit 53 related information generation unit 100 electronic device 200 sales data processing device 230 display unit 240 operation unit 250 control unit 260 printing unit 310 communication setting screen 400, 401 sales registration Screen 410 Subtotal field 420 Numeric key field 421 Numeric display field 430 “Customer” field 431 “Customer” specification field 432 “Customer class” specification field 435 Customer count field 450 Details field 454 Blank field 470 Screen selection field 478 “Pay” button 500 Standard “ "Payment" screen 510 Detail column 520 Numeric keypad column 530 Total column 535 Deposit amount column 550 "Today's sales" column 560 Foreign tax display column

Claims (8)

An electronic device having a display operation unit in which the display function and the operation function are integrated, and being communicably connectable to a sales data processing apparatus having the display unit,
An electronic device, comprising: a control unit configured to transmit a display instruction for displaying related information related to sales on the display unit to the sales data processing device in accordance with an operation state of the display operation unit. The electronic device according to claim 1,
The electronic device, wherein the control unit receives an input of information as an operation state of the display operation unit. The electronic device according to claim 2,
The information is sales information,
The electronic device, wherein the related information is support information for supporting sales of a product. The electronic device according to claim 1,
The electronic device according to claim 1, wherein the operation state includes a non-operation state in which the operation of the display operation unit is not performed. The electronic device according to claim 1,
The electronic device, wherein the display unit displays product registration information when communication with the sales data processing device is not established. An electronic device system in which a sales data processing device having a display unit and an electronic device having a display operation unit in which a display function and an operation function are integrated are communicably connected to each other,
The electronic device, when predetermined information is input to the display operation unit, transmits a display instruction to display related information related to the information on the display unit to the sales data processing device,
The sales data processing system displays the related information received from the sales data processing device on the display unit. The sales data processing system according to claim 6, wherein
The sales data processing system, wherein when the communication with the electronic device has not been established, the sales data processing device displays product registration information on the display unit. A program executed by a control unit of an electronic device capable of communicating with a sales data processing device having a display unit, the display unit having a display operation unit in which a display function and an operation function are integrated,
A program for executing, when predetermined information is input to the display operation unit, a step of transmitting a display instruction to display related information related to the information on the display unit to the sales data processing device.

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