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NCR RealScan 7802 Price Verifier User Guide

06/03

497-0425530    Release E

48 of 94

When the scanner reads a barcoded item, the RealScan 7802 sends the ASCII characters
to the server using the protocols described in Chapter 4 and 5. The host server should
respond with a formatted text information block (TIB) of all 80 characters, including the
blanks, to locate the actual text in the required positions on the lines – there are no direct
text formatting commands in the present version.

Vintners Merlot Wine

1/5 Gallon    $11.49

ON SALE TODAY

               $8.99

Item Description & Price Display

Text Slideshow

If you want to send multiple messages in sequence, this must be controlled from the
host server end. For instance, a text based series of messages for continuous advertising
could be sent to the display under control of the host. The host would have to have the
sequence of messages in a message file (or multiple small files) and send them in a
sequential loop with a delay for adequate viewing time. The loop control requires an
interrupt when the host receives data from the RealScan 7802 barcode reader to stop the
message sequence, retrieve the item description and price, display it for a set time, and
then return to the message loop.

Changing Character Sets

Appendix D shows the VF Display's default ASCII font set with 64 empty character
codes between codes A0 and DF and the four extended language character sets that can
fill these empty positions. Initially, the default character set is US-ASCII + European.
The ASCII characters are always available but the extended character set can be
changed from 

UnitConfig

 by selecting the mode 

ExtCharacterSet

 and entering the

appropriate value in the New Content box. Only one extended language at a time can be
loaded.

Extended Language

Value

ASCII + European

EUROPEAN (default)

ASCII + Katakana

KATAKANA

ASCII + Cyrillic

CYRILLIC

ASCII + Hebrew

HEBREW

Содержание RealScan 7802

Страница 1: ...RealScan 7802 Price Verifier User Guide 497 0425530 Release E June 2003 Information Products RSD Atlanta ...

Страница 2: ...hange specifications without prior notice All features functions and operations described herein may not be marketed by NCR in all parts of the world In some instances photographs are of equipment prototypes Therefore before using this document consult with your NCR representative or NCR office for information that is applicable and current To maintain the quality of our publications we need your ...

Страница 3: ...umn 12 Mounting to a Pole 12 Mounting to a Stand 13 Wiring the Ethernet Model 14 Wiring the RF Wireless Model 15 Entering the ESS ID 15 Setting up a Wireless RF Link 16 Adding a Serial Printer 17 Wiring and Configuring the Serial Port 17 Sending Data to the Printer 17 Wiring Precautions 18 Chapter 3 Installing the Software 19 Server Install 19 Unit Configuration 19 NCR RealScan 7802 Software Updat...

Страница 4: ...ration 36 Presentation configuration 37 Multiple Windows 38 Real Time Clock Display 38 Miscellaneous configuration 38 Command modes 41 Programmatic Modes 41 QFX Quick File Transfer Protocol 42 Tokens 42 INFO exchange 42 Using Graphics Characters 43 Using the Touch Screen 44 Introduction 44 Configuring Scanvue for Input Devices 44 New Touch Screen Modes 46 Chapter 6 RealScan 7802 2000 Vacuum Fluore...

Страница 5: ...ements 80 Capabilities 80 Modes 80 Appendix F Mounting Bracket Outlines 81 Appendix G Application Notes 85 Wallpaper 85 Description 85 Creating Wallpaper 86 Using Wallpaper 86 Text Over Graphics Mixed Mode Operation 87 Default Text Setting 88 Single TIB 88 Appendix H Regulatory Information 89 Safety Warnings 89 Servicing 89 Fuse Replacement 89 Power Supply Cord Used as Disconnect Means 89 Groundin...

Страница 6: ... of 94 Revision Record Issue Date Remarks A 06 10 02 First Issue B 07 29 02 Added Service Responsibility page 8 and updated Appendix A C 09 12 02 Added Serial Printer information D 12 12 02 Updated to software version 5 0 E June 2003 Updated Chapter 5 Using the Touch Screen ...

Страница 7: ...erface installed while the RealScan 7802 2000 has a 4x20 fixed width character vacuum fluorescent VF display with optional wireless Ethernet The RealScan 7802 3000 has RS 232 communicaitons Each of these models can have an optional bank of four switches on the front panel These switches have no pre assigned functions but when depressed can send switch number and time open and close events to the h...

Страница 8: ...tion The installation of the RealScan 7802 is a reasonably easy process for a person familiar with installing and maintaining local area networks LAN s Although NCR has provided various software tools to help with the network setup this manual is not intended to be a training guide for novice network installers It is assumed the installation is done by a person having a sufficient level of technic...

Страница 9: ...or software platforms may be used as long as TCP IP is the network transport protocol Typical platforms are AS400 VAX or Wintel hardware running Windows NT 2000 ME XP Unix VMS Oracle SQL The database application program is responsible for receiving a request from a scanner retrieving the price and description from the database and returning that data to the unit that initiated the request The deve...

Страница 10: ...esponsibility NCR is responsible for replacing a faulty NCR RealScan 7802 Price Verifier and ensuring that the scanner in the replacement unit is set to factory default parameters Refer to Recommended Scanner Settings in Appendix A for information about doing this The customer is responsible for setting all parameters required for the unit to operate within their network environment The customer i...

Страница 11: ...d held scanner Available accessory Y cable for serial printer Mounting the RealScan 7802 Caution Read entire section prior to mounting a the RealScan 7802 unit There are four ways the RealScan 7802 can be mounted All four of these mounting methods utilize the same basic wall mount bracket provided with each unit The pole mount stand mount and plate mount kits are options Wall mounted from the back...

Страница 12: ... bracket with the slots facing up The bracket cannot be removed again without disassembling the unit Mounting to Column 1 For columns larger than 18 in diameter regardless of construction either wall mount bracket may be used with shim washers on the outer mounting screws between the U bracket and the column Sufficient washers should be used to prevent the bracket from bowing when it is secured in...

Страница 13: ...the excess strap and remove any burrs 20022 3 Slide the RealScan 7802 housing on to the bracket until it snaps in the housing should slide all the way onto the bracket with the rear touching the bracket when it snaps in If the RealScan 7802 has connectors hanging down make sure they are not caught between the bracket and the housing Mounting to a Stand 1 The desktop stand is attached to the same w...

Страница 14: ...Once the RealScan 7802 unit is mounted in place there are only 2 cables that have to be connected before it can be operated For aesthetic reasons NCR suggests the AC and network outlets are mounted close to or in the ceiling or close to the floor The two cables may also be routed inside the wall or column and plug into the AC and network connections in the ceiling This is the recommended method an...

Страница 15: ... for providing and installing a compatible RF access point to the network and making it operational The RealScan 7802 wireless NIC card is an 11Mbps DSSS Wi Fi compatible PCCARD and should communicate with most Wi Fi compatible access points Installation of RF communication links requires special expertise and is part of your site network and as such the manufacturer of the access point and your n...

Страница 16: ...If you can arrange the RealScan 7802 units so there is an unobstructed line of sight to the access point Under these ideal conditions and assuming no interference from other 2 4Ghz sources you should get up to 150 distance In a typical office or retail environment 30 50 is more typical 2 Mount the access point as high as possible in the line of sight This way the signals should travel above racks ...

Страница 17: ...ic to the printer used and are the responsibility of the user Wiring and Configuring the Serial Port Use the modeset utility to change the serial port configuration to OUTPUT mode If you are using an MS Windows system open a DOS box and change to the C POS directory where modeset is stored and send the 2 following lines The modeset utility found on the CD ROM must be copied onto the server before ...

Страница 18: ...thstand power and data line surges spikes and other anomalies in accordance with IEC and CE specifications it is not designed to survive a direct lightning strike In parts of the USA and worldwide where there is a high likelihood of thunderstorm activity it is good practice to install lightning surge protectors on all power and data lines The RealScan 7802 should be treated like any other network ...

Страница 19: ...n they power up If you want to change the operating modes or configuration of a specific unit anytime after the system is up and running the Unit Configuration program is available in the NCR directory Server Install When you place the NCR SDK CD ROM NCR part number 497 0426202 into a drive the autoplay feature opens a window with the folders and program icons Click on the NCR icon SetupServer and...

Страница 20: ...y the software version number on the status screen when the unit is booted V3 XX Software If the software version is 3 xx then use the FLASH BAT batch program to update the software When the new software image is finished loading FLASH BAT immediately reads back the status of the file transfer and the flash write process by reading the ERRMSG file from the RealScan 7802 ERRMSG returns the CRC of t...

Страница 21: ...must connect to a host computer that has the product information stored in its database If you are using an MS Windows network NCR highly recommends Windows NT 2000 XP or ME Windows 95 and 98 can be used as a server for the RealScan 7802 but they are not supported NT 4 Server and Windows 2000 provide the best performance in terms of response speed especially if you are using a RF wireless system r...

Страница 22: ... network If you are using wireless RF units you must enter the ESSID of the access point you are communicating with via the barcode reader before the unit associates with the access point Additionally if your network uses WEP128 security the RealScan 7802 must be setup to match the access point Quick Start The CD ROM contains a short document called the NCR RealScan 7802 Quick Start Guide 497 0426...

Страница 23: ...n demand displays key RF measurements from the internal wireless radio which can be used to determine how well the radio is functioning in its present location Scanning the show RF stats barcode activates this screen The primary measurements are Channel channel used ANL average noise level ASL average signal level and CQ communications quality This screen is a diagnostic aid and is not intended to...

Страница 24: ...ation When the program is first started all boxes in the screen are blank Enter the IP address of the RealScan 7802 unit you wish to change in the Unit IP Address box Click the Read Modes button all the Modes and their Contents values are read from the subject unit and displayed as shown in the following illustration To change a mode highlight the New Content box in the same row as the mode you wa...

Страница 25: ...es available are indicated in this area Other modes for example Serial Number cannot be changed and always turns the New Content box and Set Mode button red The Exit button closes the Unit Configuration program Configuration Rules 1 Specify the UnitIP as DHCP to have the RealScan 7802 obtain its networking information from a DHCP server 2 You may specify any or all of the types of file servers The...

Страница 26: ...ED128 and WEPKeyIndex is set to WEPkey2 then WEPkey2 must contain 26 hex digits or 128 bits Neither WEPkeyIndex nor the encryption data can be set by barcode Note If the encryption type is changed the RealScan 7802 does not verify that the keys already stored are appropriate for the new type Exception If you are using Symbol Technologies access points they do not support Shared System WEP encrypti...

Страница 27: ...mmunicating with RealScan 7802 units NCR highly recommends that you download a program called EtherHelp and its technical documentation from the www wildpackets com web site EtherHelp is the resident part of a remote network diagnostic tool available on the RealScan 7802 CD and uses for troubleshooting network problems There is no charge for this tool Three useful network configurations for troubl...

Страница 28: ...ayed on the fourth line Internal Error An Internal class error usually relates to a RealScan 7802 device failure and should never be seen If the unit can be pinged it is working well enough to eliminate device failure as a cause of not connecting Transfer Error Transfer class errors indicate problems with transferring data over the network after a connection has been established to the host Again ...

Страница 29: ...ise refuse to permit the connection Logon The user name and or password are incorrect Protocol Fail For Windows networking the unit and the host could not find a mutually acceptable protocol level Share Unavailable The directory requested does not exist or is not shared or protections prevent the unit from connecting to it Host Resolution The specified host name cannot be resolved to an IP address...

Страница 30: ...NCR RealScan 7802 Price Verifier User Guide 06 03 497 0425530 Release E 30 of 94 ...

Страница 31: ...m the HOST and display the information appropriately 3 Automatically download a slideshow from the HOST and play it Overview A generic protocol called ProductInfo has been created especially for interfacing price verifier units such as the RealScan 7802 with the back office server that has the database with item prices and descriptions Implementations of ProductInfo directed at specific hardware p...

Страница 32: ...the UPC barcode number from the price verifier to the host computer and return the price and description information retrieved from the host computers database by its resident application ProductInfo is a TCP based bi directional message passing protocol that uses the same format when moving data in either direction In normal operation the client opens a connection for each request generated usual...

Страница 33: ...de settings permit the server to select between optional behaviors or parameters in the client Theoretically this can work both ways If the server wants the client to adopt a certain mode setting it sends the command and the client responds appropriately If not an error report may be generated in response Mode settings occupy a separate name space from the capabilities table A mode setting can be ...

Страница 34: ...e of mode values when a mode request is executed Setting a mode does not preserve the new value in non volatile memory the new value s must be specifically committed A second copy of the setup information is kept as the current value set This copy is modified by the realscan ini file contents 4 The values that are read for modes are those default values and may not reflect the current operational ...

Страница 35: ...st name of the unit UnitIP The IP address of the unit in standard IP dotted notation Unitmask The network mask for the unit in standard IP dotted notation GatewayIP The IP address of the gateway machine in standard IP dotted notation Required only if access to the various hosts must be routed on the LAN UserName The username the RealScan 7802 uses when logging into the file server Password The pas...

Страница 36: ...s of the QFX server QFXTimeout The number of hundredths of a second to wait before timing out on QFX communications NTPHost The IP address of the NTP server to provide the date and time in standard IP dotted notation The date obtained is assumed to be GMT NTPTZOffset The number of minutes to offset from GMT for the local time zone SloppiIP The IP address of the PRODUCTINFO protocol server in stand...

Страница 37: ...tHPos The horizontal offset from the left edge where text starts in pixels Must be an integral multiple of four pixels Space must be available on the right side of the line ie characters cannot be pushed off the screen TextVPos The vertical offset from the top edge where text starts in pixels Must be an integral multiple of four pixels TextBackgnd The color index for background text TextForegnd Th...

Страница 38: ...corner is 319 219 ClockVPos Topmost vertical position of the clock display in pixels Specifying ClockHPos ClockVPos defines the top left corner of the clock display Clock_Fcolor Foreground color of clock display 0 255 Clock_Bcolor Background color of clock display 0 255 ClockFormat 0 12 hour display no AM PM 12 12 hour display with AM PM ScanShowClock Turns off clock during a scan or forces it to ...

Страница 39: ... can be set and read by the application RegisterINI The RealScan 7802 registers itself with the ProductInfo host after successfully reading a new INI file RegisterStart The RealScan 7802 registers with the ProductInfo host upon startup DisplaySetup Display the first information screen at startup DisplaySetup2 Display the second information screen at startup DisplayAll Display passwords on the info...

Страница 40: ...function of the external RS 232 port between hand scanner input data port and serial printer output data port The function can be changed with the modeset utility Factory default is scanner mode Value Function SCANNER Serial port set to receive data from scanner OUTPUT Serial port set to pass through data sent by server BypassNCRPrefix Instructs the RealScan 7802 to accept NCR prefixed barcodes fo...

Страница 41: ...or the current connection only UnitStatus Reports on the state and activity of the unit Returns a single line of values separated by spaces Counters restart from zero if maximum count exceeded or unit is reset Following are the values given in order Number of seconds unit has been running since last reset Largest number is 42949672 16 months A single character that defines the current state of the...

Страница 42: ...et length includes the 4 byte length field Tokens INFO File information request response SEND File send request response DIFF File timestamp comparison ERRR Error response INFO exchange Request length INFO filespec NUL Response length INFO YYYYMMDDhhmmss size NUL Four digits for year two each for month January is 01 day 01 31 hour 00 23 minute 00 59 and second 00 59 followed by a single space char...

Страница 43: ...ont file is downloaded into the price verifier at boot up time by a command line in the realscan ini file As only one font file can be stored at a time the display is limited to the characters in the loaded font set Certain fonts contain other characters for example the Kanji font set also contains English Greek and Cyrillic characters Displaying graphics characters requires two hex bytes double b...

Страница 44: ...ncreasing the dimensional size of the touch areas may be set for each axis independently down to 1 column x 1 row in other words the whole display screen functions as a single touch button The resolution scaling can also be changed dynamically by the users application Factory default setting is at the touch screens highest resolution of 16 x 12 where the top left corner co ordinate is y x 0 0 and ...

Страница 45: ...tart events however 2 or more touch areas pressed simultaneously will be recorded and transmitted in the same packet The clock tick count in this case is the time elapsed from the prior event Set start mask only Mode Description Value Start Mask Setting Disable mask factory default 00000000 h Touch panel pressed 00000010h Table 1 Data Bytes Parameters Each transmitted event packet contains three 8...

Страница 46: ...gth character string containing unit ID if mode enabled in UnitConfig 0 message terminator containing 0 zero value 1 byte Example shown in hex form Touch screen start event packet for bottom right corner press 11 15 00000028 45564E54 00000010 00000000 000001F4 00000010 0000000B 0000000F 5343414E565545 00 h length EVNT start mask stop mask tick count touch y co ord x co ord SCANVUE terminator for t...

Страница 47: ... set The language character sets are shown in Appendix D and always contain the US ASCII characters shown in the Default ASCII Character Set for VF Display chart plus one of the optional 64 character sets shown in the following four charts The user can change any or all of the three internal customer messages factory default is English into one of the four language character sets available on the ...

Страница 48: ... have the sequence of messages in a message file or multiple small files and send them in a sequential loop with a delay for adequate viewing time The loop control requires an interrupt when the host receives data from the RealScan 7802 barcode reader to stop the message sequence retrieve the item description and price display it for a set time and then return to the message loop Changing Characte...

Страница 49: ...uter keyboard can be entered directly from the keyboard Non standard characters must be entered in hex code form Hex codes consist of 4 hex digits xdd where x specifies that a hex code follows and dd is the hex code for the character you want as shown the character code table but occupy only 1 character space on the display See examples in Appendix G Applications Notes 3 Checking and Unavailable m...

Страница 50: ...xt is the new greeting file source and push exe is the utility program to download to the price verifier There is a real example of changing messages and language in the Application Notes section Appendix G Creating Customer Messages on VF Display Models The RealScan 7802 2000 VF Display model has four language character sets ASCII European default ASCII Cyrillic ASCII Hebrew and ASCII Katakana th...

Страница 51: ...t the New Content box and enter the new message UnitConfig Screen msgChecking Mode When the message has been entered click the buttons Set Mode Commit and Restart in sequence Wait The unit reboots but it takes about 1 minute before the initialize screen appears Example 1 Changing Checking one moment please into Spanish Highlight the New Content box in the msgChecking row as shown previously Enter ...

Страница 52: ...word favor This message entered displays as follows Verificando Un momento por favor Example 2 Change Checking one moment please into French Highlight the New Content box in the msgChecking row as shown previously Enter V xC6rifier Un moment s il vous pla xCCt In this example 2 of the characters é hex code xC6 and î hex code xCC are non standard and must be entered using the hex code method When c...

Страница 53: ...acters where you want them on the display The display word wraps the message after every 20 characters The translated text string is as follows D xC6 la bienvenida a ScanVue 420 Escudri xCEe su Art xCA cule aqu xCA In this example text file indicates the start and end of the 80 character string and denotes spaces These are only used in the example for clarity and are not required when a message fi...

Страница 54: ...NCR RealScan 7802 Price Verifier User Guide 06 03 497 0425530 Release E 54 of 94 ...

Страница 55: ...quires the NCR Scanner Programming Tags book BSTO 2121 74 and the NCR 7892 Bi Modal Presentation Scanner User Guide B005 0000 1182 Create Code39 barcode labels containing the network information as shown in the following table A program such as Avery Label Pro or B Coder Lite from Taltech can create these for you It is the customer s responsibility to provide these labels Perform the follow the st...

Страница 56: ... 4 When all the setup labels have been scanned in and visually verified scan the Save Configuration label This causes the complete configuration setup to be written to the RealScan 7802 non volatile memory and reboot so the changes can take effect 5 At this point restore the scanner programming Remove power from the RealScan 7802 then apply power again Scan the Default tag then any other programmi...

Страница 57: ... or workgroup name 83 characters max NCR Product Info IP1 DSAAAAAAAA IP address of users ProductInfo server 10 0 10 13 Product Info Port3 DPnnnnQ Port number for ProductInfo 1283 Product Info Timeout3 TOnnnnQ Duration secs product information is shown 30 Wireless RF3 WN0001Q Selects wireless RF mode Wireless T otherwise F 10baseT Ethernet3 WN000Q Selects hard wired Ethernet Hardwired T otherwise F...

Страница 58: ...oduct Info Port should be followed by an upper case alpha character to prevent confusion caused by check characters and stop codes 4 If shipped as a hardwired unit it has the default IP address shown If shipped as an RF wireless unit the default is DHCP 5 There are 2 different screens depending on the type of RF radio card installed 6 Setting the Host name also sets SMB file access mode Setting th...

Страница 59: ...deshows at the same time each one showing promotions or teaser advertising tailored to that department s specific products Slideshows can also be changed as desired with specially created versions for holidays or sales events Real Time Clock A real time clock display can be superimposed on the LCD screen as defined in the realscan ini file The RealScan 7802 maintains an internal clock tick counter...

Страница 60: ... If there are duplicate tokens in a section the value used is the last one on the list except when a Unit ID is specified If the Unit ID is specified only that token value pair is used regardless of the position within the section 10 A font file must be specified replaces the default font if the text foreground and background colors are to be specified 11 If the clock function is being used a seco...

Страница 61: ...sktop computer by running the file textcolors htm on the CD ROM from a browser Msgchecking can specify either a message string or an image file called wallpaper but not both GROUP Assigns individual units to a group GroupName The Token is the name of the group and the value is a list of one or more Unit IDs separated by commas that belong to that group The same group name can appear on more than o...

Страница 62: ...Defines the format of the clock display Value 0 12 hour display without AM PM Value 12 12 hour display with AM PM Value 24 24 hour display ClockUpdateInterval Defines the clock display update interval in seconds If a multiple of 60 the seconds display is suppressed Value 1 59 inclusive displays count of seconds Value 60 seconds display is suppressed ScanShowClock Defines if clock display is suppre...

Страница 63: ...2 makeup1 china bridal appliance Set up the display characteristics DISPLAY FourLine Text_Rows 4 TwoLine Text_Rows 2 Text_Cols 20 FourLine FontFile VGAfonts cour4x20 TwoLine FontFile VGAfonts cour2x20 Msgchecking Checking Please Wait Tooldept SlideshowFile shows tools sho HouseWare SlideshowFile shows housewares sho SlideshowFile shows everybodyelse sho Text colors tool dept brown over green cosme...

Страница 64: ...sition is bottom left corner of screen ClockHPos 0 ClockVPos 300 Foreground character and background display box colors Clock_Fcolor 35 Clock_Bcolor 180 Make the display box disappear so the characters are floating on the image ClockTransparent TRUE 12 hour clock display with AM PM meridian Clockformat 12 Display seconds ClockUpdateInterval 1 Turn off clock display during a scan cycle ScanShowCloc...

Страница 65: ...AME may be defined to equal a number of ticks for example FRAME 100 makes FRAME 1 second Frame can be shortened to F which can then be used as the duration F1 1 second or F3 3 seconds Caution Do not display a fixed image for long periods of time this may cause a permanent latent ghost image on the LCD The LCD warranty does not cover this effect This effect known as imaging sticking is caused by an...

Страница 66: ...ing the slideshow file to the RealScan 7802 must be set to binary mode Section Commands SETUP Reference information for the rest of the file FRAME Number of ticks 1 100 second increments Ex FRAME 100 makes FRAME 1 second Can be shortened to F in file ROOT_DIR The root directory for graphics The specified string is prepended onto the names of the graphics files in the show Files The list of graphic...

Страница 67: ...re 320 x 240 pixel GIF images FILES SLIDE1 FrontYard GIF SLIDE2 WalkWay GIF 3 Porch GIF 4 FrontDoor GIF 5 EntryHall GIF 6 CoatCloset GIF 7 FamilyRoom GIF 8 Backyard GIF 9 Kitchen GIF 10 DiningRoom GIF Here comes the slideshow SHOW SLIDE1 F10 Slide 1 display for 10 sec SLIDE2 F5 Slide 2 display for 5 sec SLIDE3 F5 SLIDE4 F5 SLIDE5 F5 SLIDE6 F2 SLIDE7 F5 SLIDE8 F5 SLIDE9 F5 SLIDE10 F100 Slide 10 dis...

Страница 68: ...2 sec After start next window arrives 12 750 250 53 40 paints window2 GIF Top left corner at 53 pixels from left edge 40 pixels from top edge Window opens for 7 sec 2 sec after start next window arrives 13 500 250 106 80 paints window3 GIF Top left corner at 106 pixels from left edge 80 pixels from top edge Window opens for 5 sec 2 sec after start next window arrives 14 250 250 160 120 paints wind...

Страница 69: ...of 94 0 2 5 7 10 12 15 17 Seconds Window 1 Delay 2 sec Window 2 Delay 2 sec Window 3 Delay 2 sec Window 4 Delay 2 sec Window 5 First 4 windows expire together Window 5 displays for 5 sec after 2 sec delay 20495 Timing Chart for Multiple Window Example Multiple Graphic Windows ...

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Страница 71: ...racter set shown below 0 255 and can be displayed 20 characters per line A different font can be downloaded when the unit boots by specifying it in the realscan ini file Only one font at a time can be in the unit While the RealScan 7802 can display characters outside of the usual ASCII range of 32 127 many libraries do not correctly handle those characters in normal text Nominal mode transfers sho...

Страница 72: ... 0425530 Release E 72 of 94 Vacuum Fluorescent V Display Models VF display models have the default built in character set The empty code positions from A0 DF can be filled with one of the language character sets Default ASCII Character Set for VF Display ...

Страница 73: ...NCR RealScan 7802 Price Verifier User Guide 497 0425530 Release E 06 03 73 of 94 European Character Set for VF Display Katakana Character Set for VF Display ...

Страница 74: ...NCR RealScan 7802 Price Verifier User Guide 06 03 497 0425530 Release E 74 of 94 Cyrillic Character Set for VF Display Hebrew Character Set for VF Display ...

Страница 75: ...ominal mode must be used for advanced features The trivial and nominal cases can be distinguished by examination of the first byte in trivial mode it always is a printable ASCII character in nominal it is zero unless you are sending individual packets in excess of 16MB When the server receives a trivial mode message it is interpreted as a product query it optionally contains the client s identific...

Страница 76: ...wing the brief interval required for the client to respond to the query If it remains undefined it can be assumed that the client declined to respond most probably because that capability name is not known to it Client Mode Changes The notion of a mode setting is to permit the server to select between optional behaviors or parameters in the client If the server wants the client to adopt a certain ...

Страница 77: ...ITID and a terminating NUL immediately follow the header Capability Response If the capability being queried is known a response is sent The name of the capability and its value is a string in token value format following the header The header for a SendUnitID response might be 0 1 2 3 4 5 6 7 Byte 0 0 0 24 C A P R The response string SENDUNITID TRUE and a terminating NUL immediately follow the he...

Страница 78: ...ader There can be white space on either or both sides of the equals sign If the mode query is a zero length string the RealScan 7802 responds with a CR LF separated list of all supported modes and their types in the form MODENAME TYPE SIZE where TYPE is BOOLEAN NUMBER or STRING and SIZE is the number of bytes in the STRING and only appears for STRING If the mode query is the single character strin...

Страница 79: ...er that The header for a data packet to display the word hi would be 0 1 2 3 4 5 6 7 8 9 10 11 Byte 0 0 0 15 D A T A T E X T The data string hi and a terminating NUL immediately follow the header Registration Registration information consists of three sequential NUL terminated strings following the header The first string is the unit ID the second is the product type identification and the third i...

Страница 80: ...ld be 0 0 0 1 0 0 0 2 0 0 0 5 85 78 73 84 49 0 Client Requirements Capabilities The following capabilities must be supported by a client Timeout Changing the client s protocol timeout value is supported SendUnitID Sending the unit s ID can be enabled and disabled TrivialComm Controls the default communication method used for queries Modes The following modes must be supported Timeout Hundredths of...

Страница 81: ...NCR RealScan 7802 Price Verifier User Guide 497 0425530 Release E 06 03 81 of 94 Appendix F Mounting Bracket Outlines 20028 9 25 7 0 1 3 1 5 2 0 3 0 0 25 10 50 3 40 ...

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Страница 84: ...NCR RealScan 7802 Price Verifier User Guide 06 03 497 0425530 Release E 84 of 94 20031 0 125 6 25 7 0 8 0 0 375 2 625 4 125 5 25 0 375 1 125 1 845 2 025 2 13 0 795 0 75 5 140 ...

Страница 85: ...ext that follows the barcode scan query If wallpaper has to display a Please Wait or similar message that text must be embedded into the image this is not to be confused with text over graphics or mixed mode operation Another purpose for wallpaper is to provide labels for the four optional pushbutton switches Again these labels must be embedded into the wallpaper image Immediately following a barc...

Страница 86: ... Picture Publisher Adobe Photoshop Corel Draw or Corel Designer can do this easily if you are more familiar with them Note Remember any image you create must be in 320x240 pixel non interlaced GIF89a format Wallpaper Image Using Wallpaper Once the wallpaper image has been created copy it to the pos graphics subdirectory on the server assuming POS is the share directory The preferred method of load...

Страница 87: ...sent to the RealScan 7802 and overlays a graphic image being displayed without destroying the graphic this is known as mixed mode or text over graphics operation In this mode text is displayed inside a text information block TIB The TIB is opaque and covers the image As long as the TIB is smaller than the full 320x240 image size some of the image will show around the edges of the TIB A TIB could b...

Страница 88: ...round text color and the location of the top left corner TIB in pixels from left and top edges of the screen Single TIB The normal mode of operation after an item is scanned is for the wallpaper to display a text message TIB is sent by the host and overlaid on the wallpaper and then the host should hang up If the host doesn t break the connection the RealScan 7802 sits and waits for another TIB an...

Страница 89: ...ance for electric current to reduce the risk of electric shock This product is equipped with an electric cord having an equipment grounding conductor and a grounding plug The plug must be plugged into a matching outlet that is properly installed and grounded in accordance with all local codes and ordinances Do not modify the plug provided if it will not fit the outlet have the proper outlet instal...

Страница 90: ...s no guarantee that interference to radio communications will not occur in a particular commercial installation If this equipment does cause interference which can be determined by turning the equipment off and on the user is encouraged to consult an NCR service representative immediately Caution NCR is not responsible for any radio or television interference caused by unauthorized modifications o...

Страница 91: ... of at least 20 cm from all persons and must not be co located or operating in conjunction with any other antenna or transmitter End users and installers must be provided with antenna installation and transmitter operating conditions for satisfying RF exposure compliance Voluntary Control Council for Interference VCCI 16105 International Radio Frequency Interference Statement Warning This is a Cla...

Страница 92: ...te De no ver directamenté el Rayo Laser por mucho tiempó IEC CLASS 1 LASER PRODUCT 20252 Laser Power The NCR RealScan 7802 Price Verifier meets the following laser power requirements Class 1 EN 60825 1 1994 Europäische Norm Class 1 IEC 825 1 1993 International Electrotechnical Commission Class IIA CDRH Center for Devices and Radiological Health FDA U S A Following is the radiant energy of the lase...

Страница 93: ... Patterson Boulevard Dayton OH 45459 USA declares that the equipment specified here conforms to the referenced EU Directives and Harmonized Standards EU Directive Harmonized Standards 89 336 EEC EMC EN 55022 1994 A1 1995 A 1997 EN 50082 1 Part 1 1992 IEC 801 2 1984 Severity Level 3 IEC 801 3 1984 Severity Level 2 IEC 801 4 1988 Severity Level 2 73 23 EEC Low Voltage EN 60950 1992 A1 A2 A3 A4 and A...

Страница 94: ...NCR RealScan 7802 Price Verifier User Guide 06 03 497 0425530 Release E 94 of 94 Copyright 2002 by NCR Corporation ...

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