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Symbol LT 1804, Product Reference Manual

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4-22

LT 1804 Product Reference Guide: Programming the LT 1804

Software Handshaking

The scanner also provides two software handshaking options, ENQ and ACK/
NAK, selected by parameter menus.

These software handshaking options operate in addition to, and are 
subordinate to, the hardware handshaking. They can be used separately, in 
conjunction with each other, or not at all. They operate in the following 
manner:

•

When the ENQ is enabled, the scanner waits for an ENQ, Enquire, 

character from the host before it transmits data. The host must respond 
within the programmable response timeout period or the scanning unit 
beeps 4 times, indicating transmission error and loss of the last scanned 
data.

•

When the ACK/NAK is enabled, after the scanning unit has transmitted 

data, it looks for one of the following responses:
<ACK> acknowledging a valid accepted transmission, or
<NAK> indicating a problem with the transmission.

The scanner then retransmits the data. After three unsuccessful 
transmission attempts, the unit aborts any further communication 
attempts on the current message. It indicates this by sounding 4 long 
(1 second) beeps.

See 

Handshaking Sequence on page 4-23

.

Summary of Contents for LT 1804

Page 1: ...oduct Reference Guide 70 32537 01 Revision A October 1997 About This Manual Table of Contents Glossary Copyright Feedback Index Click on red text at any location in the manual to jump to the specified chapter topic or reference ...

Page 2: ... or use of any product circuit or application described herein No license is granted either expressly or by implication estoppel or otherwise under any patent right or patent covering or relating to any combination system apparatus machine material method or process in which Symbol products might be used An implied license only exists for equipment circuits and subsystems contained in Symbol produ...

Page 3: ... the LT 1804 Scanning 2 1 LT 1804 Decode Zone 2 2 Chapter 3 Maintenance and Specifications Maintenance 3 1 What If 3 1 Accessories 3 2 Technical Specifications 3 4 LT 1804 Dimensions 3 5 LT 1804 Signal Descriptions 3 6 Interface Cable Pinouts 3 7 Chapter 4 Programming the LT 1804 Scanning Sequences 4 1 Scanning Sequence Examples 4 1 Errors While Scanning 4 2 Parameter Descriptions 4 4 Set Paramete...

Page 4: ...and Timeouts Intercharacter Delay 4 11 UPC A and E Preamble s 4 11 Data Format 4 12 Standard Defaults 4 13 RS 232 Host Type Defaults 4 15 RS 232C Code ID Characters 4 16 Beeper Definitions 4 17 Code 39 Buffering Scan and Store 4 19 Clear Transmission Buffer 4 19 Transmit Buffer 4 20 Overfilling Transmission Buffer 4 20 Attempt to Transmit an Empty Buffer 4 20 Communication Protocols 4 21 Hardware ...

Page 5: ...ware Handshaking 5 31 Software Handshaking 5 33 RTS Line State 5 35 Host Serial Response Timeout 5 37 Transmit NO DECODE Character 5 40 Stop Bit Select 5 42 Scan Data Transmission Format 5 44 Prefix 5 46 Suffix 5 50 Prefix Suffix Synapse 5 55 Communications Delays and Timeouts 5 58 UPC E UPC A Preamble 5 61 Data Format 5 63 Glossary Index ...

Page 6: ...procedures appear as numbered lists Related Publications LT 1810 1804 Quick Reference Guide 70 31612 XX Service Information If you have a problem with your equipment contact the Symbol Support Center Before calling have the model number serial number and several of your bar code symbols at hand Call the Support Center from a phone near the scanning equipment so that the service person can try to t...

Page 7: ...ty If the original shipping container was not kept contact Symbol to have another sent to you Symbol Support Center In the U S A for service information warranty information or technical assis tance call SYMBOL SUPPORT CENTER 1 800 653 5350 If you purchased your Symbol product from a Symbol Business Partner con tact that Business Partner for service Canada Mississauga Ontario Canadian Headquarters...

Page 8: ...ght source Combined with our surface mount technology and patented resonating harmonic scan element this state of the art scanner provides solid state dependability When you add this scanner to your system you add efficient reliable bar code reading capability Laser performance gives you accuracy and faster read rates on virtually any bar code substrate including colors When operated by battery th...

Page 9: ...nd should be used if you ever need to return your equipment for servicing Connecting Your LT 1804 LT 1804 scanners can be battery operated or you can use an external power supply The scanner contains on board discrete RS 232C communications for connecting to RS 232C asynchronous terminals and host systems It can also accommodate any of the Synapse Smart Cables which allows you to connect to a wide...

Page 10: ...end of the scanner s straight cable into the appropriate RS 232C receiving port on your host device 3 Plug one end of the power supply cable into the power supply port on the side of the LT 1804 connector 4 Connect the power supply to an AC receptacle supplying voltage of the appropriate level Figure 1 1 RS 232 Power Supply Operation LT 1804 RS 232 Compatible Device CRT Etc Power Supply Standard ...

Page 11: ...tionary or portable terminal 4 If desired plug one end of the power supply connector into the receptacle on the side of the battery pack Plug the other end of the connector into an AC outlet The LT 1804 scanner uses either an alkaline battery or a nickel cadmium rechargeable battery Low battery power is signaled by four short high tone beeps as well as scanning interruptions If this occurs change ...

Page 12: ...with the corresponding terminals in the battery pack Recharging a Nickel Cadmium Battery 1 Remove the battery from the battery pack and place it in the recharging unit 2 To recharge the battery follow the instructions supplied with the recharging unit Figure 1 3 Portable Operation with Scanner Holster Battery Pack and Terminal Holster Front View Belt Goes through Loop on Back of Holster Battery Pa...

Page 13: ...ing Up the LT 1804 Synapse Configuration See the Synapse Interface Guide provided with your Synapse cable for setup instructions Figure 1 4 Synapse Configuration LT 1804 Host Power Supply As Required Synapse Adapter Cable Synapse Smart Cable ...

Page 14: ...canner to the bar code The scan beam is in a constant blinking state which becomes steady when the scanner is decoding a bar code If the scanner is in triggered mode bring the scanner to the bar code and press the trigger The scan beam and red LED on the top of the scanner illuminates for approximately 1 second or until a successful decode Your scan beam must cross every bar and space on the symbo...

Page 15: ...IELD 5 in 1 27 cm 1 in 2 54 cm 1 5 in 3 81 cm 2 in 5 08 cm 2 5 in 6 35 cm 5 in 1 27 cm 1 5 in 3 81 cm 2 in 5 08 cm 1 in 2 54 cm 3 in 7 62 cm 5 in 1 27 cm 1 in 2 54 cm 1 5 in 3 81 cm 2 in 5 08 cm 5 in 12 70 cm 0 in 0 cm DISTANCE FROM SCANNER 0 in 0 cm 13 mil 0 5 100 UPC EAN 2 5 in 6 35 cm 3 in 7 62 cm 2 5 in 6 35 cm 3 in 7 62 cm 3 5 in 8 89 cm 4 in 10 16 cm 4 5 in 11 43 cm ...

Page 16: ... the window Do not remove the nose of the scanner What If Nothing happens when you follow the operating instructions You Should Check the system power check the power supply or battery pack connections Make sure the controller is programmed to decode bar codes of the symbology you are scanning Check for loose cable connections Make sure the symbol is not defaced Try scanning test symbols of the sa...

Page 17: ...ingle Port Straight Cable Part Number Cable 25 17837 02 Female 9 Pin TxD on pin 2 with power jack RS 232C Cable Adapters Part Number Adapter Type 50 12100 380 9 Pin to Male 25 Pin TxD on pin 2 50 12100 379 9 Pin to Male 25 Pin TxD on pin 3 50 12100 378 9 Pin to Female 25 Pin TxD on pin 2 50 12100 377 9 Pin to Female 25 Pin TxD on pin 3 Power Supplies Part Number Description 50 14000 005 117V Input...

Page 18: ...scription 25 08892 01 3 foot Extension Cable Synapse Adapter Cables Part Number Description 25 31617 01 6 foot Straight Cable Optional Accessories LT 1804 optional accessories supplied at extra cost include additional units of any item list of Standard Accessories and the following items Part Number Description 20 12769 01 Hands Free Stand Desk Mount non adjustable 20 08414 01 Hands Free Stand Fre...

Page 19: ... selectable Enable Disable Beeper Volume User selectable Full Volume Low Volume Decode Depth of Field Maximum typical working distance is 5 0 in 12 70 cm 100 UPC EAN minimum element width resolution is 5 5 mils Scan Repetition Rate 40 3 scans sec bidirectional Skew Tolerance 35 min from normal Pitch Tolerance 20 to 60 from normal Print Contrast Minimum 25 minimum reflectance differential measured ...

Page 20: ...t Reference Guide Maintenance and Specifications LT 1804 Dimensions Figure 3 1 LT 1804 Dimensions Height 1 8 in 4 6 cm Handle Width 2 0 in 5 1 cm Nose Width 2 8 in 7 1 cm Table Height 2 4 in 6 1 cm Length 8 0 in 20 3 cm ...

Page 21: ...ven by the serial data transmit output on the device communicating with the scanner 5 RTS Request to send handshaking output line It may be optionally used by the scanner to signal another device that data is available to send It can only be used in conjunction with the CTS line 6 Synapse Data Data line for Synapse communication 7 Synapse Clock Clock line for Synapse communication 8 CTS Clear to s...

Page 22: ...t on the device communicating with the scanner 4 CTS Clear to send handshaking input line It may be optionally used by another device to signal the scanner that it may commence transmitting data It can be used only in conjunction with the RTS line 5 RTS Request to send handshaking output line It may be optionally used by the scanner to signal another device that data is available to send It can on...

Page 23: ...ice communicating with the scanner 4 RTS Request to send handshaking output line It may be optionally used by the scanner to signal another device that data is available to send It can only be used in conjunction with the CTS line 5 CTS Clear to send handshaking input line It may be optionally used by another device to signal the scanner that it may commence transmitting data It can be used only i...

Page 24: ...vice communicating with the scanner 4 CTS Clear to send handshaking input line It may be optionally used by another device to signal the scanner that it may commence transmitting data It can be used only in conjunction with the RTS line 5 RTS Request to send handshaking output line It may be optionally used by the scanner to signal another device that data is available to send It can only be used ...

Page 25: ...vice communicating with the scanner 4 RTS Request to send handshaking output line It may be optionally used by the scanner to signal another device that data is available to send It can only be used in conjunction with the CTS line 5 CTS Clear to send handshaking input line It may be optionally used by another device to signal the scanner that it may commence transmitting data It can be used only ...

Page 26: ... a parameter type a parameter value and ENTER The Scanning Sequence Flowchart on page 4 3 illustrates this process Scanning Sequence Examples To program the scanner for all default settings except for two parameters DECODE UPC ONLY and INTERCHARACTER DELAY first scan the SET DEFAULT bar code The default for DECODE UPC ONLY is DISABLED to enable this scan the three bar codes in the order listed bel...

Page 27: ...tries must have a leading zero SCAN YOU WILL HEAR 1 INTERCHARACTER DELAY Short high tone 2 0 Short high tone 3 2 Short high tone 4 ENTER Hi Lo Hi Lo warble Errors While Scanning Don t worry if you make an error during a scanning sequence There are two special purpose bar codes BACKSPACE and CANCEL to help you Scanning the BACKSPACE bar code erases the value of the previous bar code scanned but kee...

Page 28: ...he LT 1804 Figure 4 1 Scanning Sequence Flowchart START Re Select Re Select Incorrect parameter type CANCEL SELECT AND SCAN PARAMETER TYPE GOOD CANCEL No Good SELECT AND SCAN PARAMETER VALUE Re Select No Good BACKSPACE GOOD SCAN ENTER Parameter is Set ...

Page 29: ... The bar code menu selections enable the scanner to decode any or all of the following symbologies UPC Versions A and E EAN 8 and 13 UCC EAN 128 Code 39 Codabar Interleaved 2 of 5 Discrete 2 of 5 Code 93 Code 39 Full ASCII Code 128 The scanner will autodiscriminate between all of the above symbologies except for Code 39 and Code 39 Full ASCII If UPC EAN with supplemental characters is selected UPC...

Page 30: ...ected this option limits LT 1804 UPC EAN decode capability to UPC versions only It disables EAN decode capability Convert UPC E to UPC A Use this parameter to convert UPC E zero suppressed decoded data to UPC A format before transmission After conversion data follows UPC format and is affected by UPC A programming selections e g Preamble Check Digit Transmit Code ID Character Acode ID character id...

Page 31: ...s start and stop characters NOTIS Editing This option strips the start and stop characters from decoded Codabar symbols Decode UPC EAN Supplemental Select whether UPC EAN is decoded with or without supplemental characters or whether the unit will autodiscriminate between the two Supplementals are additionally appended characters according to specific code format conventions e g UPC A 2 UPC E 2 EAN...

Page 32: ...mended for use with portable terminals Decode Redundancy Use this parameter to indicate whether the scanner must read a bar code one time LEVEL 0 two times LEVEL 1 or three times LEVEL 2 before decoding it A higher level of redundancy ensures the accuracy of a decode in for example poor quality symbols Scan and Store Code 39 Buffering When you select the scan and store option all Code 39 symbols h...

Page 33: ...lue 0 or 1 to ensure that an even number of 1 bits are contained in the coded character Select MARK parity and the parity bit will always be 1 Select SPACE parity and the parity bit will always be 0 Select the parity type according to host device requirements Hardware Handshaking Hardware handshaking allows you to check the readiness of the receiving device before data is transmitted If the receiv...

Page 34: ...nly when the host is ready to receive When you select the wait for ENQ option the scanner waits for an ENQ Enquire character from the host before it transmits data otherwise the unit transmits data without waiting for an ENQ character from the host With ENQ enabled the scanner must receive an ENQ from the host within a 2 second period after the last activity or 4 long beeps are sounded to indicate...

Page 35: ...selected depends on the number the receiving terminal is programmed to accommodate Set the number of stop bits to match host device requirements Scan Data Transmission Format Synapse Hosts Only This parameter formats the data for transmission Options are None Data As Is Prefix Data Prefix Data Suffix Data Suffix Prefix RS 232 The scanner will add one of the following start of text characters to tr...

Page 36: ...and Timeouts Intercharacter Delay Select the intercharacter delay option matching host device requirements The intercharacter delay gives the host system time to service its receiver and perform other tasks between characters Select from no delay to a 99 ms delay between the transmission of each character UPC A and E Preamble s Three options are given for the lead in characters of decoded UPC A or...

Page 37: ...T 1804 Data Format This parameter sets the transmit data format The options are 7 Data Bits with Parity 8 Data Bits with Parity 8 Data Bits without Parity The PARITY parameter applies only to the 7 Data Bits with Parity and 8 Data Bits with Parity options ...

Page 38: ... 5 2 digit entry ranging from 01 31 14 Second Length Interleaved 2 of 5 2 digit entry ranging from 00 31 0 Xmit UPC A Check Digit Enable Disable Enable Xmit UPC E Check Digit Enable Disable Enable Decode UPC Only Enable Disable Disable Convert UPC E to A Enable Disable Disable Xmit Code ID Character Enable Disable Disable EAN Zero Extend Enable Disable Disable I 2 of 5 to EAN 13 Conversion Enable ...

Page 39: ... Data Suffix Data Suffix None Prefix to Decoded Data RS 232 None Start of text STX User s Choice 1 selection None Suffix to Decoded Data RS 232 None CR LF CR LF User s Choice 1 selection User s Choice 2 selections End of text ETX CR LF Prefix Synapse Any ASCII Character CR LF Suffix Synapse Any ASCII Character CR LF Intercharacter Delay 00 99 ms None UPC E Preamble System Character System Characte...

Page 40: ...er Standard ICL FUJITSU NIXDORF Mode A Mode B Transmit Code ID No Yes Yes Yes Data Transmission Format Data as is Data Suffix Data Suffix Data Suffix Suffix CR LF 7013 CR 1013 CR 1013 CR 1013 Baud Rate 9600 9600 9600 9600 Parity None Even None Odd Hardware Handshaking None RTS CTS Option 3 None RTS CTS Option 3 Software Handshaking None None None None Serial Response Time out 2 Sec 9 9 Sec 2 Sec 9...

Page 41: ...Characters are not programmable and are separate from the Transmit Code ID feature The Transmit Code ID feature should not be enabled for these terminals Table 4 3 Terminal Specific Code ID Characters ICL FUJITSU NIXDORF UPC A A A A UPC E E E C0 EAN 8 FF FF B EAN 13 F F A Code 39 C len None M Codabar N len None N Code 128 L len None K I 2 of 5 I len None I Code 93 None None L D 2 of 5 H len None H...

Page 42: ...an last data again 4 Beeps short high tone Power Supply Insufficient power condition Battery Pack Low voltage indicated No further scanning is possible Change or recharge battery Parameter Menu Scanning BEEPER SEQUENCE INDICATION 1 Beep short high tone Appropriate menu within the scanning sequence has been read 1 Beep warble sound Parameter value has been entered successfully 2 Beeps long low tone...

Page 43: ...uffer 1 Beep short lo hi lo tone The buffer has been erased or there was an attempt to transmit an empty buffer When the buffer was empty the LT 1804 read a command to clear or to transmit a Code 39 buffer 3 Beeps long high tone Code 39 buffer is full 4 Beeps long low tone Error in transmitting stored buffer data 1 Beep lo hi tone Transmission of stored buffer data is good ...

Page 44: ... the start pattern Unless symbol overflows the transmission buffer unit gives hi lo beep to indicate successful decode and buffering See Overfilling Transmission Buffer Unit adds the message excluding the leading space to the transmission buffer No transmission will occur Clear Transmission Buffer To clear the transmission buffer read a symbol which contains only a start character a dash minus and...

Page 45: ...it signals that a good decode and buffering of that decode has occurred by giving a lo hi beep Unit transmits the buffer Unit signals that the buffer has been transmitted Overfilling Transmission Buffer If the symbol just read will result in an overflow of the transmission buffer Unit indicates that the symbol has been rejected by issuing three long high beeps No transmission will occur Attempt to...

Page 46: ... as follows Examine CTS If CTS is not asserted by the host RTS is asserted by the scanner If CTS is asserted by the host the scanner waits up to 2 seconds for CTS to be negated When the host asserts CTS in response to and within the programmable response timeout period of the scanner s RTS data is transmitted The scanner negates RTS after sending the last character The host should respond by negat...

Page 47: ... from the host before it transmits data The host must respond within the programmable response timeout period or the scanning unit beeps 4 times indicating transmission error and loss of the last scanned data When the ACK NAK is enabled after the scanning unit has transmitted data it looks for one of the following responses ACK acknowledging a valid accepted transmission or NAK indicating a proble...

Page 48: ...nse time out time the unit beeps 4 times to indicate a transmission error ENQ switch on Yes No No response After response time out time the unit beeps 4 times to indicate a transmission error Wait for ENQ character to be received from host Data is transmitted ACK NAK switch on Yes No Wait for ACK or NAK response from host ACK response Yes No Yes No Try 3 times No Yes 4 long beeps No response After...

Page 49: ...040 H 072 h 104 HORIZ TAB 009 041 I 073 i 105 LF NEW LINE 010 042 J 074 j 106 VT 011 043 K 075 k 107 FF 012 044 L 076 l 108 CR ENTER 013 045 M 077 m 109 SO 014 046 N 078 n 110 SI 015 047 O 079 o 111 DLE 016 0 048 P 080 p 112 DC1 017 1 049 Q 081 q 113 DC2 018 2 050 R 082 r 114 DC3 019 3 051 S 083 s 115 DC4 020 4 052 T 084 t 116 NAK 021 5 053 U 085 u 117 SYN 022 6 054 V 086 v 118 ETB 023 7 055 W 087...

Page 50: ...6 Z CTRL Z 1003 C CTRL C 1027 A CTRL 1004 D CTRL D 1028 B CTRL 1005 E CTRL E 1029 C CTRL 1006 F CTRL F 1030 D CTRL 6 1007 G CTRL G 1031 E CTRL 1008 H CTRL H 1032 Space Space 1009 I CTRL I 1033 A 1010 J CTRL J 1034 B 1011 K CTRL K 1035 C 1012 L CTRL L 1036 D 1013 M CTRL M 1037 E 1014 N CTRL N 1038 F 1015 O CTRL O 1039 G 1016 P CTRL P 1040 H 1017 Q CTRL Q 1041 I 1018 R CTRL R 1042 J 1019 S CTRL S 10...

Page 51: ...1051 3 3 1076 L L 1052 4 4 1077 M M 1053 5 5 1078 N N 1054 6 6 1079 O O 1055 7 7 1080 P P 1056 8 8 1081 Q Q 1057 9 9 1082 R R 1058 Z 1083 S S 1059 F 1084 T T 1060 G 1085 U U 1061 H 1086 V V 1062 I 1087 W W 1063 J 1088 X X 1064 V 1089 Y Y 1065 A A 1090 Z Z 1066 B B 1091 K 1067 C C 1092 L 1068 D D 1093 M 1069 E E 1094 N 1070 F F 1095 O _ 1071 G G 1096 W 1072 H H 1097 A a Table 4 5 Synapse ASCII Conv...

Page 52: ...39 Encode Char Keystroke 1098 B b 1113 Q q 1099 C c 1114 R r 1100 D d 1115 S s 1101 E e 1116 T t 1102 F f 1117 U u 1103 G g 1118 V v 1104 H h 1119 W w 1105 I i 1120 X x 1106 J j 1121 Y y 1107 K k 1122 Z z 1108 L l 1123 P 1109 M m 1124 Q 1110 N n 1125 R 1111 O o 1126 S 1112 P p 1127 Undefined Table 4 5 Synapse ASCII Conversion Table Continued ...

Page 53: ...T Z 2069 ALT E 2080 ALT P 2091 ALT 2070 ALT F 2081 ALT Q 2092 ALT 2071 ALT G 2082 ALT R 2093 ALT 2072 ALT H 2083 ALT S 2094 ALT 6 2073 ALT I 2084 ALT T 2095 ALT 2074 ALT J 2085 ALT U Misc Key Keystroke Misc Key Keystroke Misc Key Keystroke 3001 PA 1 3009 CMD 7 3017 3002 PA 2 3010 CMD 8 3018 1 2 3003 CMD 1 3011 CMD 9 3019 3004 CMD 2 3012 CMD 10 3020 3005 CMD 3 3013 3021 3006 CMD 4 3014 3022 0 00 30...

Page 54: ...5 4023 PF 23 4008 PF 8 4016 PF 16 4024 PF 24 F Keys Keystroke F Keys Keystroke F Keys Keystroke 5001 F 1 5014 F 14 5027 F 27 5002 F 2 5015 F 15 5028 F 28 5003 F 3 5016 F 16 5029 F 29 5004 F 4 5017 F 17 5030 F 30 5005 F 5 5018 F 18 5031 F 31 5006 F 6 5019 F 19 5032 F 32 5007 F 7 5020 F 20 5033 F 33 5008 F 8 5021 F 21 5034 F 34 5009 F 9 5022 F 22 5035 F 35 5010 F 10 5023 F 23 5036 F 36 5011 F 11 502...

Page 55: ...um Lock 6046 6063 5 6060 00 6047 6064 6 6048 0 6065 7 Extended Keypad Keystroke Extended Keypad Keystroke Extended Keypad Keystroke 7001 Break 7008 Backspace 7015 Up Arrow 7002 Delete 7009 Tab 7016 Dn Arrow 7003 Pg Up 7010 Print Screen 7017 Left Arrow 7004 End 7011 Insert 7018 Right Arrow 7005 Pg Dn 7012 Home 7019 Back Tab 7006 Pause 7013 Enter 7007 Scroll Lock 7014 Escape Table 4 5 Synapse ASCII ...

Page 56: ...Chapter 5 Parameter Menus Set Default To select the Set Default parameter scan the SET DEFAULT bar code Scanning this automatically reconfigures the value of each parameter to its default value SET DEFAULT ...

Page 57: ...n to select an RS 232 host type Note Synapse hosts are autodetected no bar codes need to be scanned for hosts using Synapse 1 Scan the RS 232 HOST TYPE bar code 2 Scan the bar code corresponding to the desired host type 3 Scan ENTER RS 232 HOST TYPE STANDARD RS 232 ICL NIXDORF MODE A ...

Page 58: ...ameter Menus RS 232 Host Type Continued BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change NIXDORF MODE B FUJITSU ...

Page 59: ...s Code Types These two options either add or delete a code type To add delete a code 1 Scan the ENABLE or DISABLE bar code 2 Scan the bar code corresponding to the code type to be added or deleted 3 Scan ENTER ENABLE DISABLE CODE 39 CODE 39 FULL ASCII ...

Page 60: ...5 5 LT 1804 Product Reference Guide Parameter Menus Code Types Continued UPC EAN CODE 128 CODE 93 CODABAR INTERLEAVED 2 OF 5 UCC EAN 128 ...

Page 61: ...rameter Menus Code Types Continued BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change DISCRETE 2 OF 5 ALL CODES ...

Page 62: ...ode for the code type and length to be changed 2 To enter the length scan two bar codes from the following pages the first bar code scanned should signify the most significant digit 3 Scan ENTER DISCRETE 2 OF 5 LENGTH 1 Range 01 31 DISCRETE 2 OF 5 LENGTH 2 Range 00 31 INTERLEAVED 2 OF 5 LENGTH 1 Range 01 31 INTERLEAVED 2 OF 5 LENGTH 2 Range 00 31 ...

Page 63: ...5 8 LT 1804 Product Reference Guide Parameter Menus Fixed Lengths For Code 2 of 5 Continued 0 1 2 3 4 ...

Page 64: ...5 9 LT 1804 Product Reference Guide Parameter Menus Fixed Lengths For Code 2 of 5 Continued 9 8 6 7 5 ...

Page 65: ...e Parameter Menus Fixed Lengths For Code 2 of 5 Continued BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ...

Page 66: ...s Decode Options To select one of the decode options 1 Scan the bar code corresponding to the desired option 2 Scan the ENABLE or DISABLE bar code 3 Scan ENTER CONVERT UPC E TO UPC A DECODE UPC ONLY TRANSMIT UPC E CHECK DIGIT TRANSMIT UPC A CHECK DIGIT ...

Page 67: ...5 12 LT 1804 Product Reference Guide Parameter Menus Decode Options Continued CLSI EDITING EAN ZERO EXTEND NOTIS EDITING TRANSMIT CODE IDENTIFIER I 2 OF 5 TO EAN 13 CONVERSION ...

Page 68: ...e Parameter Menus Decode Options Continued ENABLE DISABLE BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ...

Page 69: ...eference Guide Parameter Menus UPC EAN Supplementals Option To select a UPC EAN supplementals option 1 Scan the UPC EAN SUPPLEMENTALS bar code 2 Scan the appropriate option 3 Scan ENTER UPC EAN SUPPLEMENTALS NO SUPPLEMENTALS ...

Page 70: ...UPC EAN Supplementals Option Continued BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change DECODE SUPPLEMENTALS AUTODISCRIMINATE ...

Page 71: ...oduct Reference Guide Parameter Menus Beep After Good Decode To enable or disable this option 1 Scan the BEEP AFTER GOOD DECODE bar code 2 Scan the ENABLE or DISABLE option bar code 3 Scan ENTER BEEP AFTER GOOD DECODE ...

Page 72: ...rameter Menus Beep After Good Decode Continued BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ENABLE DISABLE ...

Page 73: ...uct Reference Guide Parameter Menus Beeper Volume To set the volume of the beeper 1 Scan the BEEPER VOLUME bar code 2 Scan either the FULL VOLUME or LOW VOLUME bar code 3 Scan ENTER BEEPER VOLUME FULL VOLUME LOW VOLUME ...

Page 74: ...nce Guide Parameter Menus Beeper Volume Continued BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ...

Page 75: ...Menus Trigger Mode for triggered models only To select a trigger mode 1 Scan the TRIGGER MODE bar code 2 Scan the bar code that corresponds to the option desired 3 Scan ENTER TRIGGER MODE TRIGGERLESS CONTINUOUS POWER TRIGGERED LOW POWER CONSUMPTION ...

Page 76: ...ence Guide Parameter Menus Trigger Mode Continued BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ...

Page 77: ...t Reference Guide Parameter Menus Decode Redundancy To set the decode redundancy level 1 Scan the DECODE REDUNDANCY bar code 2 Scan either LEVEL 0 LEVEL 1 or LEVEL 2 3 Scan ENTER DECODE REDUNDANCY LEVEL 0 LEVEL 1 LEVEL 2 ...

Page 78: ...e Guide Parameter Menus Decode Redundancy Continued BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ...

Page 79: ...ce Guide Parameter Menus Code 39 Scan and Store To select a scan and store option 1 Scan the SCAN AND STORE bar code 2 Scan the ENABLE or DISABLE bar code to enable or disable the option 3 Scan ENTER SCAN AND STORE ENABLE DISABLE ...

Page 80: ...Guide Parameter Menus Code 39 Scan and Store Continued BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ...

Page 81: ... 26 LT 1804 Product Reference Guide Parameter Menus Baud Rate To select a baud rate 1 Scan the BAUD RATE bar code 2 Scan the bar code corresponding to the baud rate desired 3 Scan ENTER BAUD RATE 300 600 ...

Page 82: ...5 27 LT 1804 Product Reference Guide Parameter Menus Baud Rate Continued 4800 1200 2400 9600 ...

Page 83: ...ce Guide Parameter Menus Baud Rate Continued BACKSPACE CANCEL ENTER 19 200 BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ...

Page 84: ...9 LT 1804 Product Reference Guide Parameter Menus Parity To enter parity 1 Scan the PARITY bar code 2 Scan the option bar code corresponding to the type of parity desired 3 Scan ENTER PARITY ODD EVEN MARK ...

Page 85: ...ence Guide Parameter Menus Parity Continued BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change SPACE ...

Page 86: ...e Guide Parameter Menus Hardware Handshaking To select a hardware handshaking protocol 1 Scan the HARDWARE HANDSHAKING bar code 2 Scan the bar code corresponding to the option desired 3 Scan ENTER HARDWARE HANDSHAKING NONE RTS CTS ...

Page 87: ... Guide Parameter Menus Hardware Handshaking Continued BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ...

Page 88: ...ameter Menus Software Handshaking To select a software handshaking protocol 1 Scan the SOFTWARE HANDSHAKING bar code 2 Scan the bar code corresponding to the option desired 3 Scan ENTER SOFTWARE HANDSHAKING NONE ACK NAK WITH ENQ ACK NAK ONLY ...

Page 89: ...e Parameter Menus Software Handshaking Continued ENQ ONLY BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ...

Page 90: ...roduct Reference Guide Parameter Menus RTS Line State To select a line state 1 Scan the RTS STATE bar code 2 Scan either the LO RTS STATE or HIGH RTS STATE bar code 3 Scan ENTER RTS STATE LOW RTS STATE HIGH RTS STATE ...

Page 91: ...nce Guide Parameter Menus RTS Line State Continued BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ...

Page 92: ...1804 Product Reference Guide Parameter Menus Host Serial Response Timeout To set the timeout 1 Scan the bar code below 2 Scan two numeric bar codes to select a timeout value 3 Scan ENTER 0 1 2 RESPONSE TIMEOUT ...

Page 93: ...5 38 LT 1804 Product Reference Guide Parameter Menus Host Serial Response Timeout Continued 5 3 4 6 7 ...

Page 94: ... Parameter Menus Host Serial Response Timeout Continued 8 9 BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ...

Page 95: ... Menus Transmit NO DECODE Character To enable disable transmission of the NR character while in triggered mode 1 Scan the TRANSMIT NR bar code 2 Scan either the ENABLE or DISABLE bar code 3 Scan ENTER TRANSMIT NR NO DECODE CHARACTER ENABLE DISABLE ...

Page 96: ...de Parameter Menus Transmit NO DECODE Character Continued BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ...

Page 97: ... Guide Parameter Menus Stop Bit Select To select the number of communications stop bits 1 Scan the STOP BIT SELECT bar code 2 Scan the bar code corresponding to the required value 3 Scan ENTER STOP BIT SELECT 1 STOP BIT 2 STOP BITS ...

Page 98: ...ce Guide Parameter Menus Stop Bit Select Continued BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ...

Page 99: ...ssion format 1 Scan the SCAN DATA FORMAT bar code 2 Scan the bar code corresponding to the desired converted data format 3 Scan ENTER Note If you select an option using a prefix and or suffix see the following Prefix Suffix parameters to set the prefix and or suffix value s SCAN DATA FORMAT NONE PREFIX SCAN DATA ...

Page 100: ...an Data Transmission Format Continued PREFIX SCAN DATA SUFFIX BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change SCAN DATA SUFFIX ...

Page 101: ...he bar code that corresponds to the desired option 3 Scan ENTER If USER S CHOICE is scanned then scan the appropriate 3 digit leading zeros are required decimal of the ASCII character s to be entered using the bar codes on the following pages See Table 4 4 on page 4 24 for the RS 232 ASCII Conversion Table PREFIX USER S CHOICE 1 CHARACTER ...

Page 102: ...5 47 LT 1804 Product Reference Guide Parameter Menus Prefix Continued 0 1 2 NONE STX ...

Page 103: ...5 48 LT 1804 Product Reference Guide Parameter Menus Prefix Continued 5 3 4 6 7 ...

Page 104: ...rence Guide Parameter Menus Prefix Continued 8 9 BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ...

Page 105: ... the bar code that corresponds to the desired option 3 Scan ENTER If USER S CHOICE is scanned then scan the appropriate 3 digit decimal leading zeros are required equivalent of the ASCII character s to be entered using the bar codes on the following pages See Table 4 4 on page 4 24 for the RS 232 ASCII Conversion Table SUFFIX LF CR CR LF ...

Page 106: ...5 51 LT 1804 Product Reference Guide Parameter Menus Suffix Continued ETX USER S CHOICE 2 CHARACTERS USER S CHOICE 1 CHARACTER NONE ...

Page 107: ...5 52 LT 1804 Product Reference Guide Parameter Menus Suffix Continued 2 0 1 3 ...

Page 108: ...5 53 LT 1804 Product Reference Guide Parameter Menus Suffix Continued 5 4 6 7 ...

Page 109: ...rence Guide Parameter Menus Suffix Continued 8 9 BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ...

Page 110: ...onfiguration 1 Scan the PREFIX or SUFFIX bar code below 2 Scan four numeric bar codes from the following pages representing the desired terminal s key code See Table 4 5 on page 4 25 for the Synapse ASCII Conversion Table If you make an error or wish to change your selection scan DATA FORMAT CANCEL DATA FORMAT CANCEL PREFIX SUFFIX ...

Page 111: ...5 56 LT 1804 Product Reference Guide Parameter Menus Prefix Suffix Synapse Continued 0 1 2 3 4 ...

Page 112: ...5 57 LT 1804 Product Reference Guide Parameter Menus Prefix Suffix Synapse Continued 5 6 7 8 9 CANCEL ...

Page 113: ...1 Scan the INTERCHARACTER DELAY bar code 2 Enter the new value by scanning two bar codes The first bar code scanned corresponds to the most significant digit the second bar code corresponds to the least significant digit The value entered must be within the 00 99 ms range 3 Scan ENTER INTERCHARACTER DELAY Range 00 99 ms 0 1 2 ...

Page 114: ...5 59 LT 1804 Product Reference Guide Parameter Menus Communications Delays and Timeouts Continued 5 3 4 6 7 ...

Page 115: ...rameter Menus Communications Delays and Timeouts Continued 8 9 BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ...

Page 116: ... Menus UPC E UPC A Preamble To select one of the preamble options 1 Scan the bar code corresponding to the desired Preamble option 2 Scan the bar code to enable or disable the option 3 Scan ENTER UPC E PREAMBLE UPC A PREAMBLE NONE SYSTEM CHARACTER ...

Page 117: ...Menus UPC E UPC A Preamble Continued BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change SYSTEM CHARACTER AND COUNTRY CODE ...

Page 118: ...enus Data Format To select an RS 232C transmission protocol 1 Scan the DATA FORMAT bar code 2 Scan the bar code that corresponds to the option desired 3 Scan ENTER DATA FORMAT 7 DATA BITS WITH PARITY 8 DATA BITS WITH PARITY 8 DATA BITS WITHOUT PARITY ...

Page 119: ...ence Guide Parameter Menus Data Format Continued BACKSPACE CANCEL ENTER BACKSPACE deletes the last bar code scanned CANCEL deletes the entire change and returns the user to the decode mode ENTER stores and enters the new change ...

Page 120: ...n of a bar measured perpendicular to the bar width Bar Width Thickness of a bar measured from the edge closest to the symbol start character to the trailing edge of the same bar Baud Rate A measure of the data flow or number of signaling events occurring per second When one bit is the standard event this is a measure of bits per second bps For example a baud rate of 50 means transmission of 50 bit...

Page 121: ...ecks that the resulting number matches the encoded check digit Check digits are required for UPC but are optional for other symbologies Using check digits decreases the chance of substitution errors when a symbol is decoded Codabar A discrete self checking code with a character set consisting of digits 0 to 9 and six additional characters Code 128 A high density symbology which allows the controll...

Page 122: ... characters 0 to 9 and START STOP characters may be encoded EAN European Article Number This European International version of the UPC provides its own coding format and symbology standards Element dimensions are specified metrically EAN is used primarily in retail Element Generic term for a bar or space Encoded Area Total linear dimension occupied by all characters of a code pattern including sta...

Page 123: ... of laser connected to a power source to generate a laser beam This laser type is a compact source of coherent light LED Indicator A semiconductor diode LED Light Emitting Diode used as an indicator often in digital displays The semiconductor uses applied voltage to produce light of a certain frequency determined by the semiconductor s particular chemical composition MIL 1 mil 1 thousandth of an i...

Page 124: ...esponds to the bars and spaces of the symbol Its three main components are 1 Light source laser or photoelectric cell illuminates a bar code 2 Photodetector registers the difference in reflected light more light reflected from spaces 3 Signal conditioning circuit transforms optical detector output into a digitized bar pattern Scanning Mode The scanner is energized programmed and ready to read a ba...

Page 125: ...margin adjacent to the start character to the end of the quiet zone margin adjacent to a stop character Symbology The structural rules and conventions for representing data within a particular bar code type e g UPC EAN Code 39 Tolerance Allowable deviation from the nominal bar or space width UPC Universal Product Code A relatively complex numeric symbology Each character consists of two bars and t...

Page 126: ...ables adapter 3 3 extension 3 3 pinouts 3 7 RS 232 3 2 Synapse adapter 3 3 changing the battery 1 5 CLSI editing 4 6 Code 39 buffering 4 7 4 19 parameter menu 5 24 code ID characters 4 5 4 16 code lengths 4 5 parameter menu 5 7 code types 4 4 parameter menu 5 4 connecting the LT 1804 1 2 D decode options 4 5 parameter menu 5 11 decode zone 2 2 default table 4 13 RS 232 host type 4 15 dimensions 3 ...

Page 127: ...e 4 11 parameter menus baud rate 5 26 beep after good decode 5 16 beeper volume 5 18 Code 39 buffering 5 24 code types 5 4 communications delays 5 58 data format 5 63 decode options 5 11 decode redundancy 5 22 fixed lengths for code 2 of 5 5 7 hardware handshaking 5 31 host serial response timeout 5 37 parity 5 29 prefix 5 46 RS 232 host type 5 2 RTS line state 5 35 scan data transmission format 5...

Page 128: ...peration 1 3 Synapse configuration 1 6 unpacking 1 2 signal descriptions 3 6 software handshaking 4 8 4 22 parameter menu 5 33 sequence flowchart 4 23 specifications 3 4 decode zone 2 2 dimensions 3 5 suffix 4 10 4 11 parameter menu 5 50 5 55 Symbol Support Center ii symbologies 4 4 parameter menu 5 4 Synapse adapter cables 3 3 prefix suffix parameter menu 5 55 transmission format 4 10 Synapse con...

Page 129: ...ase call the appropriate customer support number provided Unfortunately we cannot provide customer support at the fax number above User s Manual Title please include revision level How familiar were you with this product before using this manual Did this manual meet your needs If not please explain What topics need to be added to the index if applicable What topics do you feel need to be better di...

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