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Denso QK20-R, User Manual

The Denso QK20-R is a high-quality barcode scanner designed for accuracy and efficiency. Ensure optimal performance with the User Manual, available for free download from manualshive.com. This comprehensive manual provides step-by-step instructions for setup, operation, and troubleshooting, making it easy to maximize the functionality of your barcode scanner.

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Copyright © DENSO WAVE INCORPORATED, 2010 
All rights reserved. No part of this publication may be reproduced in any form or by any means without permission in 
writing from the publisher. 
Specifications are subject to change without prior notice. 
All products and company names mentioned in this manual are trademarks or registered trademarks of their respective 
holders. 

 

Summary of Contents for QK20-R

Page 1: ...2D Code Scanner Fixed type QK20 R QK20 U User s Manual...

Page 2: ...tion may be reproduced in any form or by any means without permission in writing from the publisher Specifications are subject to change without prior notice All products and company names mentioned i...

Page 3: ...7 1 1 Data extraction mode 17 7 1 2 Data substitution mode 29 7 1 3 Data blocksorting mode 30 7 1 4 ADF script mode 31 7 2 Scanning a Mirror Image 2D Code 32 7 3 Scanning a Black and white Inverted C...

Page 4: ...Menu 77 11 1 Parameter Setting Procedure Using the QR coded Parameter Menu 77 11 2 Restriction on the Use of QR coded Parameter Menu 77 11 3 QR coded Parameter Menu 78 Chapter 12 Troubleshooting 97 Ap...

Page 5: ...y product circuit or application described herein If it is judged by DENSO WAVE INCORPORATED that malfunction of the product is due to the product having been dropped or subjected to impact repairs wi...

Page 6: ...for new products Free web information service QBdirect QBdirect Service Contents Information search service FAQ Offers detailed information on each product Download service Offers downloads of repair...

Page 7: ...se conditions that could cause serious bodily injury or death if the instructions are not followed correctly Alerts you to those conditions that could cause minor bodily injury or substantial property...

Page 8: ...mitted Doing so could cause fire Do not scratch modify bend twist pull or heat the power cable of the AC adapter Do not place heavy material on the cable or allow the cable to get pressed under heavy...

Page 9: ...he scanner or AC adapter in a cloth or blanket Doing so could cause the unit to heat up inside deforming its housing resulting in a fire Always use the scanner and AC adapter in a well ventilated area...

Page 10: ...contact your nearest dealer Failure to do so could result in a fire or electrical shock During an electrical storm always unplug the AC adapter from the electrical outlet Expose to power surges could...

Page 11: ...ore periodically check the clear plate of the scanning window and clean it if dusty To clean the plate first blow the dust away with an airbrush Then gently wipe the plate with a cotton swab or the si...

Page 12: ...error occurs Refer to Section 8 2 for details Speaker hole The speaker sounds when reading is complete POWER LED This LED lights orange when the power is turned on Interface cable QK20 R RS 232C inte...

Page 13: ...n 3 2 2 For the interface specifications refer to Chapter 9 Section 9 3 To use the USB COM interface factory default To use the USB keyboard interface Host computer PC AT or AT AT compatible PC equipp...

Page 14: ...ble connector Note When disconnecting the interface cable or DC power jack hold the connector housings not the cables Pulling cables will result in breaks Note Avoid connecting and disconnecting of co...

Page 15: ...st computer is processing the scanner connection do not plug or unplug any other USB device cables Directly connect the scanner to the USB port on the host computer or to the self powered hub The scan...

Page 16: ...evice is unplugged so the driver always occupies a COM port number The driver cannot coexist with conventional Denso USB COM device drivers in a host computer In the installation procedure the Active...

Page 17: ...If the message shown at left appears the conventional driver is running on the computer Terminate the application using the COM port of the driver remove the corresponding USB device and then click O...

Page 18: ...user account control massage window to appear then click Yes 3 Wait for the InstallShield Wizard screen to appear and then click Next 4 Check that the USB device scanner to be connected is not plugge...

Page 19: ...tup exe by the same number of times as the number of USB ports to be used Running the Setup exe once adds one COM port Note USB ports can be assigned to COM ports one to one It is not allowed to assig...

Page 20: ...to the computer or USB hub 2 Wait for the Found New Hardware to appear on the Windows task tray 3 Wait for Found New Hardware wizard to start select No not this time then click Next 4 Select Install t...

Page 21: ...ger If DENSO WAVE USB Device and DENSO WAVE Active USB COM Port COMx Connected are added to the tree as shown at left the scanner is connected normally If the device is not added or it is marked with...

Page 22: ...n Safe removal of hardware on the Windows task tray When the USB device scanner is being connected Windows shows the Unplugging DENSO WAVE USB Device COMx in safety on the task tray This is useful to...

Page 23: ...t up the driver This section describes the procedure on each of Windows XP and Windows Vista On Windows 7 also follow the wizard Windows XP 1 Switch the computer on to run Windows XP Log on as an Admi...

Page 24: ...he configuration the screen shown at left automatically disappears 4 Wait for the USB Human Interface Device hint to pop up on the task tray 5 To check whether the USB device is working normally open...

Page 25: ...sfully read therefore pull the mobile away from the scanning window for at least half a second to release the double read prevention function Note that if you keep applying a low quality code that can...

Page 26: ...he configuration software is available via the RS 232C interface or USB COM interface it is not via the USB keyboard interface The configuration software also offers batch process QR code symbols for...

Page 27: ...cannerSetting_2D bringing a code label within the scan range of the scanning window turns on the illumination LEDs and starts the scanner reading the code The illumination LEDs come on when you bring...

Page 28: ...r prefixed string extractions from code data read and then outputs it The data block extraction is available only when code data is in the comma delimited CSV format The AI prefixed string extraction...

Page 29: ...rd position STX Q0003123 ETX Tail position 3rd position STX Q0003345 ETX 1st position Tail position STX Q000512345 ETX 1st position By 3 positions STX Q0003123 ETX 2nd position 4th position STX Q00032...

Page 30: ...rs are listed below Extraction conditions Extraction conditions Choices Any code QR Code iQR Code PDF417 Data Matrix MaxiCode UPC A EAN 13 UPC E EAN 8 Code 128 GS1 128 EAN 128 Codabar NW 7 Code 39 Cod...

Page 31: ...X 456 ETX STX 1 ETX STX 23 ETX 1234567890 1 STX 1234567890 ETX 1 23 456 7890 2 and 5 STX ETX STX 7890 ETX 1 23 456 7890 5 Error 1 23 456 7890 4 and 5 Error Code type QR Code Data transfer regardless o...

Page 32: ...ansmissions are enabled The number of digits is the count of each element string edited Example Data read 01 94901234567894 11 030808 13 030810 Header STX Terminator ETX Scanner ID Disable Code ID mar...

Page 33: ...030808 040208 ETX 17 11 STX 040208 030808 ETX 17 17 STX 040208 040305 ETX 12 01 12 Data transfer regardless of error result Permit 01 01 Comma STX 01949012345678941103080813030810170402081704 0305 ET...

Page 34: ...C Disable Extraction conditions Data read Output data 0194901234567894110308081303 081017040208 STX 01 94901234567894 11 030 808 13 030810 17 040208 ETX Data transfer regardless of error result Prohib...

Page 35: ...Expiration Date YYMMDD 20 n2 n2 Product Variant 21 n2 an 20 Serial Number 22 n2 an 29 HIBCC Health Industry Business Communication Council Quantity Date Batch and Link 23n n3 n 19 Batch or Lot Number...

Page 36: ...h Thickness Height or 3rd Dimension Meters Logistics 334n n4 n6 Area Square Meters Symbology 335n n4 n6 Gross Volume Liters 336n n4 n6 Gross Volume Cubic Meters 337n n4 n6 Kilograms per Square Meter p...

Page 37: ...n15 Amount Payable and ISO Currency Code 392n n4 n15 Amount Payable for a Variable Measure Trade Item Single Monetary Area 393n n4 n3 n15 Amount Payable for a Variable Measure Trade Item and ISO Curre...

Page 38: ...rocessing Places 8001 n4 n14 Roll Products Width Length Core Diameter Direction and Splices 8002 n4 an 20 Cellular Mobile Telephone Identifier 8003 n4 n14 an 16 EAN UCC Global Returnable Asset Identif...

Page 39: ...h DD must be filled with 00 n indicates the length of data n indicates the decimal point position a Alphabetic characters a3 3 alphabetic characters fixed length a 3 Up to 3 alphabetic characters n Nu...

Page 40: ...ons Choices Any code QR Code iQR Code PDF417 Data Matrix MaxiCode UPC A EAN 13 UPC E EAN 8 Code 128 GS1 128 EAN 128 Codabar NW 7 Code 39 Code 93 Interleaved 2of5 ITF RSS GS1 DataBar Code type EAN UCC...

Page 41: ...esults in an error Blocksorting conditions Blocksorting conditions Choices Any code QR Code iQR Code PDF417 Data Matrix MaxiCode UPC A EAN 13 UPC E EAN 8 Code 128 GS1 128 EAN 128 Codabar NW 7 Code 39...

Page 42: ...g transformation of units 7 Substituting data 8 Comparing character strings 9 Driving indicator LEDs and speaker The ADF script mode can be programmed with the configuration software ScannerSetting_2D...

Page 43: ...background or to scan both types of codes while automatically identifying them using the QR coded parameter menu or the configuration software ScannerSetting_2D Note that the automatic detection scan...

Page 44: ...data read to the host computer When scanning split QR Code symbols the scanner beeps in a different way from usual That is when the scanner reads the first split code it beeps twice and enters the sp...

Page 45: ...ts will be omitted 2 Comma delimited output format Specifying this format allows the scanner to output multiple lines of barcode data delimited with commas in the data transmission format selected see...

Page 46: ...2D the encryption key of data read does not match the one configured in the scanner in SQRC scanning when the data transmission after mismatch of encryption key is disabled a communications error has...

Page 47: ...specifications cannot be registered 2 Playing back an audio data file Using the configuration software ScannerSetting_2D or control commands IS and VOLSND in Appendix 2 to be sent from the host plays...

Page 48: ...occurred when the scanner was communicating with the configuration software ScannerSetting_2D or a run time error has occurred in ADF script The indicator LEDs can be disabled with the QR coded parame...

Page 49: ...tware ScannerSetting_2D provides CTS timeout and ACK NAK response settings each from 100 ms to 9 9 s in 100 ms increments 2 RTS signal control protocol You can select either the scanner ready mode or...

Page 50: ...Bdirect their customer support section on the Denso Wave website at no extra charge For further details on QBdirect or to register visit the following URL http www qbdirect net Notes for use In Window...

Page 51: ...100 ms increments and two CTS signal control choices Yes and No ACK NAK mode If the CTS signal is at high level Enable transmission the scanner transmits code data read After that the scanner waits f...

Page 52: ...o conversion ASCII default Outputs 00h to 7Fh data in ASCII format bytewise Selecting this parameter does not output 80h to FFh data Binary conversion Converts 00h to FFh data to binary format and out...

Page 53: ...None TAB ESC ENTER default or others For details refer to Chapter 10 2 Scanner ID A scanner ID is a unique serial number assigned to an individual scanner at the time of shipment It consists of six n...

Page 54: ...R Code G G MaxiCode X X PDF417 Y Y MicroPDF417 Y Y Square Z Z Data Matrix Rectangular Z Z 2D codes Aztec J J Without add on A A Linear component A A With 2 digit add on Add on None None Linear compone...

Page 55: ...mponent V A V A UPC A With 5 digit add on Add on None None None None UPC A CC A UPC A CC B CC A CC B None Y Note 2 None Y Note 2 Without add on V A V F Linear component V A V F With 2 digit add on Add...

Page 56: ...one Y Note 2 None Y Note 2 QR Code P01 Qm In batch edit mode P01 Qm Split QR Code In non edit mode P01 S Note 4 MicroQR Code P01 Q Note 4 SQRC P01 Q Note 4 iQR Code G Qm MaxiCode P02 Um PDF417 X L0 Mi...

Page 57: ...Codabar NW 7 C Fm Code 128 D Cm GS1 128 EAN 128 K C1 Code 93 E G0 Bar codes RSS GS1 DataBar Note 1 R e0 RSS T R e0 RSS Note 1 CC A RSS Note 1 CC B CC A CC B None X Note 2 None Without add on T A X0 Li...

Page 58: ...cated GS1 DataBar Truncated RSS 14 Limited GS1 DataBar Limited RSS 14 Stacked GS1 DataBar Stacked RSS Expanded GS1 DataBar Expanded RSS 14 Stacked Omnidirectional GS1 DataBar Stacked Omnidirectional a...

Page 59: ...smission disabled 0 Scanning enabled without a check digit 1 Scanning enabled with a check digit Check digit transmission enabled Codabar 3 Scanning enabled with a check digit Check digit transmission...

Page 60: ...ad and then transmits it It does not transmit the code number number of splits or parity In non edit mode The scanner transmits the code number the number of splits parity and code data read The code...

Page 61: ...refer to Section 9 5 When the conversion to the GTIN format is disabled the following formats apply With 2 digit add on 0 S X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 C D X11 X12 With 5 digit add on 0 S X1 X2 X3...

Page 62: ...X3 0 0 0 0 0 X4 X5 C D X7 X8 X9 X10 X11 X6 4 0 S X1 X2 X3 X4 0 0 0 0 0 X5 C D X7 X8 X9 X10 X11 X6 5 9 0 S X1 X2 X3 X4 X5 0 0 0 0 X6 C D X7 X8 X9 X10 X11 0 Padding character for adjustment of the data...

Page 63: ...is selectable The conversion to the GTIN format is also selectable For the GTIN format conversion refer to Section 9 5 When the conversion to the GTIN format is disabled the following formats apply Co...

Page 64: ...ode data read will be transmitted as is The conversion to the GTIN format is also selectable For the GTIN format conversion refer to Section 9 5 RSS GS1 DataBar Composite symbols Code data read will b...

Page 65: ...haracter Conversion to 16 digit GTIN format AI 01 and PI added 0 1 PI 0 S X1 X2 X3 X4 X5 X6 X7 X8 X9 X10 C D 1 1 Check digits are calculated again and transferred regardless of the transmission specif...

Page 66: ...2 digit add on X6 0 2 0 1 PI 0 S X1 X2 X6 0 0 0 0 X3 X4 X5 C D X7 X8 1 X6 3 0 1 PI 0 S X1 X2 X3 0 0 0 0 0 X4 X5 C D X7 X8 1 X6 4 0 1 PI 0 S X1 X2 X3 X4 0 0 0 0 0 X5 C D X7 X8 1 X6 5 9 0 1 PI 0 S X1 X2...

Page 67: ...PI P1 P2 P3 X1 X2 X3 X4 X5 X6 X7 X8 X9 C D X10 X11 1 With 5 digit add on 0 1 PI P1 P2 P3 X1 X2 X3 X4 X5 X6 X7 X8 X9 C D X10 X11 X12 X13 X14 1 1 Check digits are calculated again and transferred regard...

Page 68: ...ed again and transferred regardless of the transmission specified Conversion to 14 digit GTIN format PI added With 2 digit add on PI 0 0 0 0 0 P1 P2 P3 X1 X2 X3 X4 C D X5 X6 2 With 5 digit add on PI 0...

Page 69: ...heck digits are calculated again and transferred regardless of the transmission specified If the transmission of a code ID mark is enabled in the scanner the code ID mark of EAN 13 is transferred Conv...

Page 70: ...Refer to Non edit mode Data extraction mode Data conversion substitution mode Data blocksorting mode Data edit ADF script mode Section 7 1 Double read enabled Period of double read prevention Period o...

Page 71: ...monitoring Disable CTS signal monitoring time 0 1 to 9 9 seconds 2 s ACK NAK response confirmation time 0 1 to 9 9 seconds 1 s Section 9 1 1 Scanner ready mode RTS signal control protocol Data ready m...

Page 72: ...102 key type Keyboard type Japanese 106 key type Section 9 3 2 Inboard numeric keys Numeric key selection 0 to 9 Numeric keypad Section 9 3 3 See Note 3 None ASCII Binary conversion Binary data conve...

Page 73: ...Enabling this function substitutes E7h to FDh data with the special keys as listed below and transmits the substituted data to the host The Left SHIFT Left CTRL and Left ALT are transmitted as a simu...

Page 74: ...sable Section 9 4 6 Enable Prefix transmission Disable Enable Suffix transmission Disable Section 9 4 3 Enable Scanner ID output Disable Section 9 4 2 Enable GTIN format conversion Disable Conversion...

Page 75: ...nterface USB COM interface Items Parameters Defaults Refer to NONE STX Header User defined NONE ETX CR LF CR LF Terminator User defined Section 9 4 1 Enabled Transmission of BCC Disabled Section 9 4 4...

Page 76: ...interface Items Parameters Defaults Refer to NONE STX ETX CR LF CR LF TAB ESC ENTER Right Ctrl Header User defined NONE STX ETX CR LF CR LF TAB ESC ENTER Right Ctrl Terminator User defined Section 9...

Page 77: ...able Enable Reading DataMatrix Rectangular Disable Section 11 3 See Note 1 QR Code minimum version readable 1 QR Code maximum version readable 1 to 40 40 MicroQR Code minimum version readable 1 MicroQ...

Page 78: ...ngular Disable iQR Code Rectangular minimum code number readable 1 iQR Code Rectangular maximum code number readable 1 to 15 15 Section 11 3 Enable Reading Aztec Full Range Disable Enable Reading Azte...

Page 79: ...able EAN 13 transmission of country code Disable Sections 9 4 and 11 3 See Note 1 Enable EAN 13 conversion to the ISBN ISSN format Disable Enable Reading UPC E Disable Enable UPC E transmission of che...

Page 80: ...sabled Reading Interleaved 2of5 Disable Section 11 3 Minimum number of readable digits for Interleaved 2of5 4 digits Maximum number of readable digits for Interleaved 2of5 2 to 99 digits 99 digits See...

Page 81: ...Parameters Defaults Refer to Enable Reading Code 128 Disable Enable Reading GS1 128 EAN 128 Disable Section 11 3 See Note 2 Minimum number of readable digits for Code 128 1 digit Maximum number of re...

Page 82: ...ite with CC A Disable Enable Reading RSS Composite with CC B Disable Enable Reading UPC EAN Composite with CC A Disable Enable Reading UPC EAN Composite with CC B Disable Enable Reading EAN 128 Compos...

Page 83: ...r of readable digits Max 99 digits Not specified Second line barcode Selectable from readable bar codes Not specified Second line barcode character Up to 2 ASCII characters Not specified Second line b...

Page 84: ...ts Refer to Always turns off Automatically controls on off Illumination LEDs Always turns on Section 8 3 LCD and paper Switching of scanning target Paper Appendix 2 Enable Restriction on the use of QR...

Page 85: ...completion beep Audio playback Section 8 1 Enable Indicator LEDs control Disable Section 8 2 14 Playback of audio data Items Parameters Defaults Refer to Index 1 No setting Index 2 No setting Index 3...

Page 86: ...ast character Specified digits Data string extraction mode End position Specified position Data string extraction mode Specified position for extraction start position 0001 to 9999 positions Specify w...

Page 87: ...k 2 AI split mode AI mode AI parenthesis mode Enable AI split mode Availability of AI 1 Disable Enable AI split mode Availability of AI 2 Disable Enable AI split mode Availability of AI 3 Disable AI s...

Page 88: ...l in the QR coded parameter menu makes all items in the menu revert to the factory defaults 11 2 Restriction on the Use of QR coded Parameter Menu Using the configuration software ScannerSetting_2D or...

Page 89: ...by scanning the following QR Code symbol only No Start setting or End setting QR Code symbol is required to be scanned Adjusting the speaker volume Scanning this QR Code symbol cycles the speaker volu...

Page 90: ...cations parameters for RS 232C interface Procedure Non acknowledge mode default ACK NAK mode Transmission speed 4800 bps 9600 bps 19200 bps 38400 bps default 57600 bps 115200 bps Data bit 7 bits 8 bit...

Page 91: ...80 Parity None default Even parity Odd parity Stop bit 1 bit default 2 bits USB interface to the host USB COM interface default USB keyboard interface...

Page 92: ...parameters for USB COM interface Communications protocol USB COM interface Non acknowledge mode default ACK NAK mode Header USB COM interface None default STX Terminator USB COM interface None ETX CR...

Page 93: ...Transmission of BCC USB COM interface Disable default Enable Communications parameters for USB keyboard interface Conversion to binary data No conversion default ASCII Binary conversion Kanji conversi...

Page 94: ...83 Header USB keyboard interface None default STX ETX CR LF CR LF TAB ESC ENTER Right Ctrl...

Page 95: ...84 Header USB keyboard interface...

Page 96: ...85 Terminator USB keyboard interface None STX ETX CR LF CR LF TAB ESC ENTER default Right Ctrl...

Page 97: ...Terminator USB keyboard interface Data transmission format Transmission of code ID mark Disable default Enable Transmission of the number of digits Disable default Enable in 2 digits Enable in 4 digi...

Page 98: ...Disable Enable default Scanning black and white inverted codes Black cells bars on a white background default White cells bars on a black background Automatically identify black and white inverted cod...

Page 99: ...88 Scanning PDF417 Disable default Enable Scanning MaxiCode Disable default Enable Scanning Data Matrix Disable default Enable...

Page 100: ...E EAN 13 and EAN 8 Disable Enable default Scanning Interleaved 2of5 Disable Enable with a check digit Check digit transmission disabled Enable without a check digit default Enable with a check digit C...

Page 101: ...1 128 EAN 128 Disable Enable default Scanning Codabar NW 7 Disable Enable without a check digit default Enable with a check digit Check digit transmission enabled Enable with a check digit Check digit...

Page 102: ...nable default Scanning Code 39 Disable Enable without a check digit default Enable with a check digit Check digit transmission enabled Enable with a check digit Check digit transmission disabled Trans...

Page 103: ...92 Scanning Code 93 Disable default Enable Scanning RSS GS1 DataBar Disable default Enable Scanning Composite Disable default Enable...

Page 104: ...93 Other settings Reading mode Continuous reading mode 1 Continuous reading mode 2 Auto sensing mode default Speaker control Disable Enable default Indicator LEDs Disable Enable default...

Page 105: ...ata file index in succession makes the last scanned one go into effect Note 2 A QR Code symbol specifying an audio data file index and the one specifying a playback volume should be scanned in this or...

Page 106: ...olume Level 0 Playback volume Level 1 Playback volume Level 2 Playback volume Level 3 Playback volume Level 4 Playback volume Level 5 Playback volume Level 6 Playback volume Level 7 Playback volume Le...

Page 107: ...96 Switching of scanning target Scan codes displayed on mobile s LCD and those printed on paper default Scan codes printed on paper...

Page 108: ...ations conditions of the scanner are different from those of the connected host Change the communications conditions of the scanner to match those of the connected host Any device driver other than ou...

Page 109: ...angle pitch 5 to 15 Light source LED white Scanning specifications Reading confirmation Indicator LEDs blue red and green speaker RS 232C interface QK20 R RS 232C asynchronous Operating voltage 100 VA...

Page 110: ...equires a maximum of one second to be ready to receive control commands Control Commands Parameter Response Function Z Note 1 None None Switch to standby Upon receipt of a Z command the scanner goes s...

Page 111: ...mands when it is turned OFF IS See Parameter Details 8 given later OK NG Note 2 Play back an audio data file specified by index with the specified playback volume If the scanner receives two or more I...

Page 112: ...scanning S Up to 3 lines of bar codes at one time Note 1 Adding C allows the scanner to read only codes with a check digit s so that the scanner cannot read codes having no check digit Note 2 RSS ref...

Page 113: ...the order of code types specified by an S command Note 5 To specify two or more parameters in a command sequence separate them with commas as shown below If any one of them is wrong the scanner retur...

Page 114: ...starting with 12 2nd line Code 39 with without CD 3rd line Code 128 of 5 to 10 digits starting with 56 EAN 13 UPC A and Code 128 out of the above scanning specifications as a single line code Note 8...

Page 115: ...approx 2 seconds at intervals of approx 50 ms ON and approx 50 ms OFF Note 1 If the scanner receives an I command when it is ready to scan it may take a maximum of 100 ms for the scanner to operate N...

Page 116: ...Note 1 When the same parameters having different values are specified the last specified one takes effect Note 2 To specify two or more parameters in a command sequence separate them with commas as s...

Page 117: ...east 30 lx is required Note 2 There may be times when the scanner switches between the ready to scan and standby states due to fluctuations in the ambient illuminance Continuous reading mode 1 When th...

Page 118: ...may misread low quality bar codes 8 IS command parameters Items Parameter Example Function Playback of audio data file n m where n 1 to 5 m 0 to9 IS1 0 to IS1 9 Play back an audio data file specified...

Page 119: ...D sub connector 9 pin socket type inch screw 1 5 6 9 Viewed from pin side Pin Signal 1 N C 2 TxD 3 RxD 4 Shorted with 6 5 GND 6 Shorted with 4 7 CTS 8 RTS 9 DC5V USB Interface QK20 U USB connector typ...

Page 120: ......

Page 121: ...2D Code Scanner Fixed type QK20 R QK20 U User s Manual First Edition January 2011 DENSO WAVE INCORPORATED...

Page 122: ...DENSO WAVE INCORPORATED 4 2 12 Toranomon Minato ku Tokyo Japan 105 0001 http www denso wave com...

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