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Symbol LS 1220, Product Reference Manual

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8-13

Programming

Hardware Handshaking

Hardware Handshaking allows a check of the host the readiness before transmitting data. 
If the host is periodically occupied with other tasks, Hardware Handshaking is needed to 
prevent loss of transmitted data. Refer to the Hardware Handshaking diagram, Figure 8-1.

RS-232C communications are designed to operate either with or without hardware 
handshaking lines - Request to Send (RTS), and Clear to Send (CTS).

If RTS/CTS handshaking is selected, scan data is transmitted with the following sequence 
(Note that the DTR signal is hard wired active):

1.

The scanner (LS 1220) reads the CTS line for activity. If CTS is asserted, the 
scanner waits up to 2 seconds for the host to negate the CTS line. If, after 2 
seconds the CTS line is still asserted, the scanner sounds a transmit error (if 
equipped with optional beeper), and any scanned data is lost.

2.

When the CTS line is negated, the scanner asserts the RTS line and waits 2 
seconds for the host to assert CTS. When the host asserts CTS, data is 
transmitted. If, after 2 seconds the CTS line is still not asserted, the scanner 
sounds a transmit error (if equipped with optional beeper), and any scanned data 
is lost.

3.

When data transmission is complete, the scanner negates RTS 10 msec after 
sending the last character.

4.

The host should respond by negating CTS. The scanner checks for a negated CTS 
upon the next transmission of data.

During the transmission of data, the CTS line should be asserted.

If the above communications sequence fails, the scanner issues a transmit error. In this 
case, the data is lost and must be rescanned.

If no Hardware Handshaking is selected, data is transmitted based on the Software 
Handshaking options which follow.

Summary of Contents for LS 1220

Page 1: ...derutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock Ready to ship TAR certified secure asset solutions Expert team I Trust guarantee I 100 satisfaction All trademarks brand names and brands appearing herein are the property of their respective own...

Page 2: ...LS 1220 Product Reference Guide ...

Page 3: ......

Page 4: ...LS 1220 Product Reference Guide 70 12072 03 Revision A January 2003 ...

Page 5: ...6 900 5 324 924 5 337 361 5 367 151 5 373 148 5 378 882 5 396 053 5 396 055 5 399 846 5 408 081 5 410 139 5 410 140 5 412 198 5 418 812 5 420 411 5 436 440 5 444 231 5 449 891 5 449 893 5 468 949 5 471 042 5 478 998 5 479 000 5 479 002 5 479 441 5 504 322 5 519 577 5 528 621 5 532 469 5 543 610 5 545 889 5 552 592 5 557 093 5 578 810 5 581 070 5 589 679 5 589 680 5 608 202 5 612 531 5 619 028 5 62...

Page 6: ...ction Overview 1 2 Typical Applications 1 2 Theory of Operation 1 3 Block Diagram 1 4 Electrical Interface 1 7 Chapter 2 Installation Overview 2 1 Unpacking 2 1 Mounting 2 1 Connecting the LS 1220 2 3 Housing Design 2 4 ESD 2 4 Location and Positioning 2 4 Using the LS 1220 as an Embedded Scanner 2 4 Conveyor Applications 2 7 Accessories 2 9 Required Accessories 2 9 Optional Accessories 2 9 ...

Page 7: ...trical Interface 4 1 LS 1220 Wide Angle Decode Zone Vcc 5V 4 5 Usable Scan Length 4 6 Chapter 5 LS 1220VHD I300A Very High Density Overview 5 1 Technical Specifications 5 1 Electrical Interface 5 1 LS 1220VHD Decode Zone Vcc 5V 5 5 Usable Scan Length 5 6 Chapter 6 Scanning Overview 6 1 Ready Test Scan 6 1 Triggering 6 2 Host 6 2 Level Trigger 6 2 Pulse Trigger 6 3 Constant Scan and Report 6 3 Next...

Page 8: ...ode 39 Full ASCII 8 6 Decode Options 8 7 UPC A and E Preamble 8 9 Prefix Suffix Values 8 9 Security Options 8 10 Laser Control 8 11 RS 232C Options 8 12 Intercharacter Delay 8 17 Code ID Character 8 17 Optional Beeper Indications 8 18 Code 39 Buffering 8 19 Buffer Data 8 19 Clear Transmission Buffer 8 19 Transmit Buffer 8 20 Overfilling Transmission Buffer 8 20 Attempt to Transmit an Empty Buffer ...

Page 9: ...9 13 Security Options 9 15 UPC Security Level 9 15 UPC Security Zone 9 16 Bi Directional Redundancy 9 18 Laser Control 9 19 Trigger Modes 9 19 Laser On Time out 9 20 Laser Off Time out 9 21 RS 232C Options 9 22 Baud Rate 9 22 Parity 9 23 Hardware Handshaking 9 24 Software Handshaking 9 25 Stop Bit Select 9 26 ASCII Data Format 9 27 Intercharacter Delay 9 28 Code ID Character 9 30 Glossary Index Fe...

Page 10: ...roduction provides an Overview of the scanner as well as the Theory of Operation and the Electrical Interface information Chapter 2 Installation explains how to install the scanner Provides detailed information on Mounting Installation Housing Design ESD Location and Positioning requirements are provided Information on accessories is also provided Chapter 3 LS 1220 I300A Standard Version provides ...

Page 11: ...S 1220 Glossary provides a listing of common terms used with the scan engines Notational Conventions The following conventions are used in this document Italics are used to highlight specific items in the general text and to identify chapters and sections in this and related documents Bullets indicate action items lists of alternatives lists of required steps that are not necessarily sequential Se...

Page 12: ... is not responsible for any damages incurred during shipment if the approved shipping container is not used Shipping the units improperly can possibly void the warranty If the original shipping container was not kept contact Symbol to have another shipping container sent to you Symbol Support Center For service information warranty information or technical assistance contact or call the Symbol Sup...

Page 13: ...d East Distributor Operations Contact your local distributor or call 44 208 945 7360 Finland Oy Symbol Technologies Kaupintie 8 A 6 FIN 00440 Helsinki Finland 9 5407 580 Inside Finland 358 9 5407 580 Outside Finland France Symbol Technologies France Centre d Affaire d Antony 3 Rue de la Renaissance 92184 Antony Cedex France 01 40 96 52 21 Inside France 33 1 40 96 52 50 Outside France Germany Symbo...

Page 14: ...plein 2 7051 CX Postbus 24 7050 AA Varsseveld Netherlands 315 271700 Inside Netherlands 31 315 271700 Outside Netherlands Norway Symbol Technologies Trollasveien 36 Postboks 72 1414 Trollasen Norway 66810600 Inside Norway 47 66810600 Outside Norway South Africa Symbol Technologies Africa Inc Block B2 Rutherford Estate 1 Scott Street Waverly 2090 Johannesburg Republic of South Africa 11 4405668 Ins...

Page 15: ...ch has been repaired tampered with altered or modified except by Seller s authorized service personnel ii in which the defects or damage to the Product result from normal wear and tear misuse negligence improper storage water or other liquids battery leakage or failure to perform operator handling and scheduled maintenance instructions supplied by Seller iii which has been subjected to unusual phy...

Page 16: ... and IEC standards the scan engines described in this guide are not given a laser classification However the following precautions should be observed This laser component emits FDA IEC Class 2 laser light at the exit port Do not stare into beam ...

Page 17: ...ity on page 5 1 The models are functionally similar with the exception of the decode zones See LS 1220 I300A Standard Range Decode Zone on page 3 5 LS 1220WA I300A Decode Zone Typical on page 4 5 and LS 1220VHD I300A Decode Zone Typical on page 5 5 These scanners read bar codes printed on all substrates Typical Applications The LS 1220 Wide Angle Scan Engine features a broad 60 scan angle to accom...

Page 18: ...the dark bars absorb the laser light and the light spaces reflects it A photo diode senses the reflected light and generates a proportional current That current is amplified and filtered to produce an analog voltage which is sent to a digitizer The digitizer transforms the signal into a digital representation of the bar code called the Digitized Bar Pattern DBP and the DBP data is sent to the host...

Page 19: ...description of each of the components in the block diagram is also provided Figure 1 2 SE 1220 Scan Engine Block Diagram 7 SE 1220 Scan Engine VISIBLE LASER DIODE MYLAR MOTOR PHOTO DIODE MOTOR DRIVER ANALOG SIGNAL PROCESSOR DIGITIZER CONTROL CIRCUITRY LASER DRIVER 5 6 3 2 8 1 GND POWER RxD TxD RTS CTS TRIGGER Logic Low 9 BEEPER 4 AIM DECODER SCAN ENGINE SCAN ENABLE LASER ENABLE DBP SOS C2 C1 C0 ...

Page 20: ...o faults are found its contents are copied into its internal RAM If a fault is found the decoder copies factory default values into RAM and the memory The Decoder does not correct the fault unless requested by the host Visible Laser Diode The VLD Visible Laser Diode is a semiconductor device that emits laser light The laser output is different from conventional light sources in that it is coherent...

Page 21: ...en the laser beam passes over a barcode the black bars absorb the light and the white spaces reflect the light Collection optics focus the received reflected light onto the photodiode The photodiode produces a photocurrent proportional to the received optical signal Analog Signal Processor The Analog Signal Processor is a transimpedance preamplifier which converts the photocurrent into a voltage a...

Page 22: ... standard and wide angle LS 1220s models during normal scanning 5 Ground Power supply input ground pin and reference for both output signals It must be capable of sinking all return current 6 Power 5 0 VDC 5 7 CTS I 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 th...

Page 23: ...1 8 LS 1220 Product Reference Guide Figure 1 3 LS 1220 Connector ...

Page 24: ...20 from its packing and inspect the scanner for evidence of physical damage If the scanner was damaged in transit call the Symbol Support Center at the telephone number listed on page xi KEEP THE PACKING It is the approved shipping container and should be used if the equipment needs to be returned for servicing Mounting There are four mounting holes M3x0 5 6H and two locator holes on the bottom of...

Page 25: ...2 2 LS 1220 Product Reference Guide Figure 2 1 LS 1220 Mounting Dimensions Bottom M 3x0 5 6H 0 32 Max Deep 4 Pl 1 886 0 003 1 936 0 003 ...

Page 26: ...o Figure 2 2 for wiring details Figure 2 2 Stereo Mini Connector 5 Check connections Be sure all cables and power supply connections are secure 6 Program the LS 1220 according to your specific requirements Consult Chapter 8 Programming for more information Note If the LS 1220 came without a host cable see Figure 4 2 on page 4 5 and Table 4 2 on page 4 6 for configuration and pin outs Male jack sho...

Page 27: ...elines provided do not consider unique application characteristics It is recommended that an opto mechanical engineer perform an opto mechanical analysis prior to integration Using the LS 1220 as an Embedded Scanner Some applications require the LS 1220 be mounted to read symbols that are automatically presented or that are presented in a pre determined location In these applications LS 1220 posit...

Page 28: ...ernal optical path from the edge of the housing to the front of the scanner A Scan angle in degrees A see Technical Specifications table for each scan engine model Note Usable scan length determined by above formula or 90 of scan line at any working distance The calculation given above is based on good quality symbols in the center of the working range and length of bar code Figure 2 3 Usable Scan...

Page 29: ... several of lessor quality symbols should be tested and the spot adjusted for the best overall symbol position 3 Locate the scanner so the symbol is near the middle of the near far range 4 Center the symbol left to right in the scan line whenever possible 5 Position the symbol so that the scan line is as near as possible to perpendicular to the bars and spaces in the symbol 6 Avoid specular reflec...

Page 30: ...5 on page 2 8 illustrates the relationship of the conveyor velocity with respect to a symbol positioned parallel to the conveyor direction Symbol is Perpendicular to Conveyor Movement With the symbol perpendicular to the conveyor belt direction Picket Fence presentation the relationship is V R x F W N Where V Velocity of the Conveyor inches second R Scan Rate 35 scans second F Field Width of Scan ...

Page 31: ...elt direction Ladder presentation the relationship is V R x H N Where V Velocity of the Conveyor inches second R Scan Rate 35 scans second H Symbol height N Number of scans over symbol minimum of 10 scans Figure 2 5 Symbol Parallel To Conveyor Movement Scan Beam Direction of Conveyor Parallel to Symbol H Symbol Height ...

Page 32: ...nds and holders which are supplied at extra cost Additional units of standard accessories listed above may also be purchased at extra cost See Table 2 1 on page 2 9 Table 2 1 Accessories Part Number Description 21 12591 01 Hands Free Stand 70 12072 03 LS 1220 Product Reference Guide SW 13193 01 PC Menu Configuration Program 25 13176 01 Photo Switch trigger and cable 25 04950 01 Push button trigger...

Page 33: ...2 10 LS 1220 Product Reference Guide ...

Page 34: ...ion of the functional components and the electrical inputs Chapter 2 provides the detailed Installation Procedures including mounting positioning minimum window dimensions and application discussions Technical Specifications Table 3 1 on page 3 2 provides the LS 1220 I300A technical specifications Electrical Interface Table 1 1 on page 1 7 lists the pin functions of the scan engine interface for t...

Page 35: ...rectional redundancy Symbology types lengths Data formatting RS 232 communication parameters Interfaces Supported RS 232 Laser Power 0 8 mW 10 650 nm Print Contrast Minimum 20 absolute dark light reflectance differential measured at 650 nm Scan Angle Pattern 42 2 Linear Skew Tolerance 65 from normal see Figure 3 1 on page 3 4 Pitch Angle 55 L R from normal see Figure 3 1 on page 3 4 Roll 20 from v...

Page 36: ...z Laser Classification CDRH IEC Class II 2 Electrical Safety UL VDE and CUL recognized laser component Operating Temperature 4 to 122 F 20 to 50 C Storage Temperature 40 to 140 F 40 to 60 C Humidity 5 to 95 non condensing Depth 2 18 in 5 5 cm Width 2 13 in 5 4 cm Height 1 3 in 3 3 cm Weight 6 5 oz 184 gm Connector 9 pin Male D Type see Table 1 1 for pin outs Table 3 1 LS 1220 I300A Standard Versio...

Page 37: ... 20 mil Symbol Skew Angle 1 0 in 2 5 4 m m 65 from normal Skew Scan Beam 20 mil Symbol Pitch Angle 1 0 in 2 5 4 m m Pitch 55 from normal Scan Beam 20 mil Symbol 1 0 in 2 5 4 m m Roll Angle Roll 20 from normal Note Tolerances will be of the working range reduced at extreme ends ...

Page 38: ...le length of a symbol at any given range is shown below Calculating The Usable Scan Length Method on page 2 5 LS 1220 I300A Standard Range Decode Zone Figure 3 2 LS 1220 I300A Decode Zone Typical In cm 0 0 5 12 7 10 25 4 15 38 1 20 50 8 25 63 5 30 76 2 35 88 9 LS 1220 5 mil 3 0 6 0 7 5 mil 10 mil 2 5 10 15 15 mil 20 29 40 20 mil 40 mil 45 55 mil Minimum distance determined by symbol length and sca...

Page 39: ...80 MRD 3 5 in 8 89 cm 6 0 in 15 24 cm 3 0 in 7 62 cm 5 0 in 12 70 cm 7 5 mil Code 39 2 5 1 ABCDEF 80 MRD 2 5 in 6 35 cm 10 0 in 25 40 cm 2 75 in 6 98 cm 9 0 in 22 86 cm 10 mil Code 39 2 5 1 FGH 80 MRD 2 0 in 5 08 cm 15 in 38 1 cm 2 5 in 6 35 cm 13 in 33 02 cm 15 mil Code 39 2 5 1 ABCD 80 MRD 2 0 in 5 08 cm 20 in 50 8 cm 2 5 in 6 35 cm 19 in 48 26 cm 20 mil Code 39 2 2 1 123 80 MRD Note 2 29 0 in 7...

Page 40: ...tion Procedures including mounting positioning minimum window dimensions and application discussions Technical Specifications Table 4 1 on page 4 2 provides the LS 1220WA I300A technical specifications Electrical Interface Table 1 1 on page 1 7 lists the pin functions of the scan engine interface for the LS 1220WA I300A scan engine Note The LS 1220WA I300A scan module does not support ScanStand op...

Page 41: ...i directional redundancy Symbology types lengths Data formatting RS 232 communication parameters Interfaces Supported RS 232 Laser Power 0 8 mW 10 650 nm Print Contrast Minimum 20 absolute dark light reflectance differential measured at 650 nm Scan Angle Pattern 60 2 Linear Skew Tolerance 49 from normal see Figure 4 1 on page 4 4 Pitch Angle 55 L R from normal see Figure 4 1 on page 4 4 Roll 20 fr...

Page 42: ... Hz to 2000 Hz Laser Classification CDRH IEC Class II 2 Electrical Safety UL VDE and CUL recognized laser component Operating Temperature 4 to 122 F 20 to 50 C Storage Temperature 40 to 140 F 40 to 60 C Humidity 5 to 95 non condensing Depth 2 18 in 5 5 cm Width 2 13 in 5 4 cm Height 1 3 in 3 3 cm Weight 6 5 oz 184 gm Connector 9 pin Male D Type see Table 1 1 for pin outs Table 4 1 LS 1220WA I300A ...

Page 43: ... 20 mil Symbol Skew Angle 1 0 in 2 5 4 m m 49 from normal Skew Scan Beam 20 mil Symbol Pitch Angle 1 0 in 2 5 4 m m Pitch 55 from normal Scan Beam 20 mil Symbol 1 0 in 2 5 4 m m Roll Angle Roll 20 from normal Note Tolerances will be of the working range reduced at extreme ends ...

Page 44: ...owest element bar or space in the symbol The maximum usable length of a symbol at any given range is shown below Calculating The Usable Scan Length Method on page 2 5 Figure 4 2 LS 1220WA I300A Decode Zone Typical In cm 0 0 5 12 7 10 25 4 15 38 1 20 50 8 25 63 5 LS 1220WA 5 mil 2 4 7 5 mil 100 UPC 1 5 7 0 12 20 mil 16 20 25 40 mil 55 mil Minimum distance determined by symbol length and scan angle ...

Page 45: ...g Ranges Guaranteed Working Ranges Near Far Near Far 5 mil Code 39 2 5 1 ABCDEFGH 80 MRD 2 0 in 5 08 cm 4 0 in 10 16 cm 2 0 in 5 08 cm 4 0 in 10 16 cm 7 5 mil Code 39 2 5 1 ABCDEF 80 MRD 1 5 in 3 81 cm 7 0 in 12 0 cm 2 75 in 6 98 cm 9 0 in 22 86 cm 13 mil 100 UPC 1234567890 80 MRD 1 5 in 3 81 cm 12 0 in 30 48 cm 1 5 in 3 81 cm 10 0 in 25 40 cm 20 mil Code 39 2 2 1 123 80 MRD 16 0 in 40 64 cm 14 0 ...

Page 46: ...stallation Procedures including mounting positioning minimum window dimensions and application discussions Technical Specifications Table 5 1 on page 5 2 provides the LS 1220VHD I300A technical specifications Electrical Interface Table 1 1 on page 1 7 lists the pin functions of the scan engine interface for the LS 1220VHD I300A scan engine Note The LS 1220VHD I300A scan module does not support Sca...

Page 47: ...dancy Symbology types lengths Data formatting RS 232 communication parameters Interfaces Supported RS 232 Laser Power 0 8 mW 10 650 nm Print Contrast minimum 40 absolute dark light reflectance differential measured at 650 nm Scan Angle Pattern 37 2 Linear Skew Tolerance 49 from normal see Figure 5 1 on page 5 4 Pitch Angle 55 L R from normal see Figure 5 1 on page 5 4 Roll 20 from vertical see Fig...

Page 48: ...5 Hz to 2000 Hz Laser Classification CDRH IEC Class II 2 Electrical Safety UL VDE and CUL recognized laser component Operating Temperature 4 to 122 F 20 to 50 C Storage Temperature 40 to 140 F 40 to 60 C Humidity 5 to 95 non condensing Depth 2 18 in 5 5 cm Width 2 13 in 5 4 cm Height 1 3 in 3 3 cm Weight 6 5 oz 184 gm Connector 9 pin Male D Type see Table 1 1 for pin outs Table 5 1 Technical Speci...

Page 49: ... 20 mil Symbol Skew Angle 1 0 in 2 5 4 m m 49 from normal Skew Scan Beam 20 mil Symbol Pitch Angle 1 0 in 2 5 4 m m Pitch 55 from normal Scan Beam 20 mil Symbol 1 0 in 2 5 4 m m Roll Angle Roll 20 from normal Note Tolerances will be of the working range reduced at extreme ends ...

Page 50: ... or space in the symbol The maximum usable length of a symbol at any given range is shown below To calculate this distance see Calculating The Usable Scan Length Method on page 2 5 Figure 5 2 LS 1220VHD I300A Decode Zone Typical In cm 0 0 1 2 54 3 7 6 2 5 08 4 10 16 LS 1220VHD 1 7 100 UPC 3 mil 5 mil 7 5 8 5 7 5 mil Depth of Field 0 0 1 2 54 In cm W i d t h o f F i e l d 5 12 7 6 15 24 8 5 21 59 3...

Page 51: ...80 MRD 1 9 in 4 82 cm 2 5 in 6 35 cm 2 5 mil Code 39 2 5 1 STI2525 80 MRD 1 7 in 4 32 cm 3 3 in 8 38 cm 2 25 in 5 71 cm 2 75 in 6 98 cm 3 mil Code 39 2 5 1 STI3025 80 MRD 1 7 in 4 32 cm 4 5 in 11 43 cm 2 25 in 5 71 cm 3 6 in 9 14 cm 4 mil Code 39 2 2 1 STI4022 85 MRD 1 7 in 4 32 cm 6 5 in 16 51 cm 2 0 in 5 08 cm 5 0 in 12 70 cm 5 mil Code 39 2 5 1 STI5025 80 MRD 1 7 in 4 32 cm 7 0 in 17 78 cm 2 0 ...

Page 52: ...tions are secure 2 Test LS 1220 Standard Version When the LS1220 trigger is pulled the scan beam is energized for approximately 3 seconds The time on duration is programmable LS 1220 Wide Angle WA A two button switch is required The first button energizes the aiming beam which allows better alignment and the second button triggers the scan LS 1220 Very High Density VHD A two button switch is requi...

Page 53: ...all of the following modes Refer to Trigger Modes on page 9 19for further details Host The host sends a Laser On command which activates the laser and begins the decoding process The external trigger also energizes the laser and acts as a Level Trigger in this mode Laser and decoding are turned off by any of the following whichever comes first Completion of the variable time on set in 0 5 second i...

Page 54: ...ed before transmitting again Continuous Level Same as Level Trigger option except the laser is on continuously attempts a decode when the trigger line goes low and stops the decode attempt when the line goes high Continuous Pulse Same as Pulse Trigger option except the laser is on continuously attempts a decode when the trigger line goes low and stops the decode attempt after the completion of the...

Page 55: ...ymbol the farther away the scanner should be positiond Position the scanner closer for symbols with bars that are close together Position at an Angle Do not position the scanner exactly perpendicular to the bar code In this position light can bounce back into the scanner s exit window and prevent a successful decode RIGHT WRONG 012345 012345 ...

Page 56: ...e accessories and troubleshooting Maintenance Cleaning the exit window is the only maintenance required Do not allow any abrasive material to touch the window Remove any dirt particles with a damp cloth The scan window is best cleaned with a damp cloth and if necessary a non ammonia based detergent ...

Page 57: ...t programmed for the correct bar code type Make sure the scanner is programmed to read the type of bar code to be scanned Try scanning other bar code s and other bar code types Incorrect communication parameters Check that the communication parameters baud rate parity stop bits etc are set properly Bar code symbol is unreadable Check the symbol to make sure it is not defaced Try scanning similar s...

Page 58: ...r to Programming Examples on page 8 24 Scanning Sequence Examples Parameters other than default values can be set by scanning sequences of bar codes Table 8 1 Parameter Description Location contains the bar codes necessary to program the scanner for each parameter selection In most cases only one bar code scan is required to set a specific parameter For example to set the baud rate to 9600 simply ...

Page 59: ...EAN Zero Extend Xmit No Decode Message UPC EAN Supplemental Decode UPC Only MSI Plessey Check Digit MSI Plessey 2 Check Digit Algorithm Code 39 Check Digit Buffer Code 39 Beep After Good Decode CLSI Editing NOTIS Editing 8 7 8 7 8 7 8 7 8 7 8 8 8 8 8 8 8 8 8 8 8 9 8 9 8 9 UPC A and UPC E Preamble 8 9 Prefix Suffix Values 8 9 Security Options 8 10 Laser Control 8 11 RS 232C Options Baud Rate Parity...

Page 60: ...9 Enabled Disabled Enabled Code 39 Full ASCII Enabled Disabled Disabled UPC EAN Enabled Disabled Enabled Discrete 2 of 5 Enabled Disabled Enabled Interleaved 2 of 5 Enabled Disabled Enabled Codabar Enabled Disabled Enabled Code 128 Enabled Disabled Enabled Code 93 Enabled Disabled Enabled EAN 128 Enabled Disabled Disabled MSI Plessey Enabled Disabled Enabled Interleaved 2 of 5 Length 1 2 55 14 Int...

Page 61: ...ck Digit 1 Check Digit 2 Check Digits 1 Check Digit MSI 2 Check Digit Algorithm Mod10 Mod10 Mod11 Mod10 Mod10 Mod10 Code 39 Check Digit Enabled Disabled Disabled Code 39 Buffering Enabled Disabled Disabled Decode Beep Enabled Disabled Enabled CLSI Editing Enabled Disabled Disabled NOTIS Editing Enabled Disabled Disabled UPC E Preamble None System Character System Character and Country Code System ...

Page 62: ...ec in 5 sec increments 1 0 sec Laser Off Time out 0 0 3 5 sec in 5 sec increments 0 5 sec RS 232 Options Baud Rate 300 600 1200 2400 4800 9600 19200 9600 Parity None Even Odd Mark Space Even Hardware Handshaking None RTS CTS None Software Handshaking None ACK NAK ENQ ACK NAK with ENQ None Stop Bits 1 Stop Bit 2 Stops Bit 2 Stop Bit ASCII Format 7 Bits 8 Bits 7 Bits Intercharacter Delay 00 99 msec ...

Page 63: ...ers Two Discrete Lengths This option sets the scanner to decode only those codes containing two selected lengths For example if D 2 of 5 is selected Two Discrete Lengths then scan 0 2 1 4 the only D 2 of 5 codes decoded are those containing 2 or 14 characters Code 39 Full ASCII The ASCII character set assigns a code to letters punctuation marks numerals and most control keystrokes on the keyboard ...

Page 64: ... additionally appended characters 2 or 5 according to specific code format conventions e g UPC A 2 UPC E 2 EAN 8 2 If UPC EAN with supplemental characters is selected UPC EAN symbols without supplemental characters won t be decoded Decode of symbols containing 2 or 5 supplementals is enabled separately For example if 2 supplementals is enabled only those symbols with 2 supplementals are decoded To...

Page 65: ...ies with the modulo 43 check digit algorithm Code 39 Buffering Scan Store When Code 39 Buffering is selected all Code 39 symbols having a leading space as a first character are temporarily buffered in the scanner and transmitted later The leading space is not buffered When a Code 39 symbol with no leading space is decoded all buffered data is transmitted in a first in first out format See Code 39 ...

Page 66: ... itself The three options are a system character only the country code and system character no preamble The system character is the digit printed to the extreme left of a UPC symbol The country code for UPC is always zero and it cannot be transmitted without the system character Prefix Suffix Values One prefix and up to two suffixes may be appended to scan data for use in data editing as shown bel...

Page 67: ...mis decodes of poorly printed bar codes and the mis decodes are limited to these characters select this security level Check All Characters If you are experiencing mis decodes of poorly printed bar codes and the mis decodes are not limited to characters 1 2 7 and 8 select this security level UPC Security Zone This parameter is valid only after UPC EAN Security Level option Check Ambiguous Characte...

Page 68: ...ues until a valid decode or the Laser On Time out is reached Constant Scan Report Laser is always on and decoding This option is not recommended when programming the scanner with bar code menus Next New Code The LS 1220 decodes and transmit information then waits until a new code is detected before transmitting again Continuous Level The laser is always on Decode processing begins with a trigger p...

Page 69: ...or 1 to ensure that an even number of 1 bits are contained in the coded character Select MARK parity and the parity bit is always 1 Select SPACE parity and the parity bit is always 0 Select the parity type according to host device requirements If NONE is selected no parity bits are transmitted Handshaking Hardware and Software Handshaking can be enabled at the same time When they are Hardware Hand...

Page 70: ...is still asserted the scanner sounds a transmit error if equipped with optional beeper and any scanned data is lost 2 When the CTS line is negated the scanner asserts the RTS line and waits 2 seconds for the host to assert CTS When the host asserts CTS data is transmitted If after 2 seconds the CTS line is still not asserted the scanner sounds a transmit error if equipped with optional beeper and ...

Page 71: ...8 14 LS 1220 Product Reference Guide Figure 8 1 Hardware Handshaking ...

Page 72: ...lid and successful transmission NAK Indicates a problem with the transmission Whenever a NAK is received the scanner retransmits the same data and awaits an ACK NAK response After three unsuccessful attempts to transmit the same data the scanner aborts any further communication attempts on that message The beeper indicates a transmission error by sounding 4 long beeps 3 ENQ Only With this option t...

Page 73: ...ATA IS TRANSMITTED ACK NAK SWITCH ON WAIT FOR ACK OR NAK RESPONSE FROM HOST ACK RESPONSE TRY 3 TIMES YES 4 LONG BEEPS NO RESPONSE AFTER 2 SECONDS THE UNIT BEEPS 4 TIMES TO INDICATE A TRANSMISSION ERROR NO RESPONSE AFTER 2 SECONDS THE UNIT BEEPS 4 TIMES TO INDICATE A TRANSMISSION ERROR YES YES YES NO SYMBOL IS DECODED NO NO FINISHED NO ...

Page 74: ...acter delay gives the host system time to service its receiver and perform other tasks between characters Select from no delay to a 99 msec delay between the transmission of each character Code ID Character A code ID character identifies the code type of a scanned bar code This is useful when the scanner is decoding more than one code type If a prefix is selected the code ID character is sent afte...

Page 75: ... correct menu sequence performed 1 Beep lo hi tone Input error incorrect bar code or Cancel scanned wrong entry incorrect bar code programming sequence remain in program mode 1 Beep hi lo tone Keyboard parameter selected Enter value using bar code keypad 1 Beep hi lo hi lo tone Successful program exit with change in the parameter setting Code 39 Buffering 1 Beep hi lo tone New Code 39 data entered...

Page 76: ...pace immediately following the start pattern The scanner gives a hi lo beep to indicate successful decode and buffering See Overfilling Transmission Buffer The scanner adds the message excluding the leading space to the transmission buffer No transmission occurs Clear Transmission Buffer To clear the transmission buffer read a symbol which contains only a start character a dash minus and a stop ch...

Page 77: ...uffering of that decode has occurred by emitting a hi lo beep The scanner transmits the buffer The scanner signals that the transmission buffer has been sent a hi lo beep Overfilling Transmission Buffer If the symbol just read results in an overflow of the transmission buffer The scanner indicates that the symbol has been rejected by issuing three long high beeps No transmission occurs Data in buf...

Page 78: ...the scanner Except for the turn laser off command all commands have the following format STX S T I x Data ETX LRC where STX 02h Start of Transmission S 53h ASCII value of S T 54h ASCII value of T I 49h ASCII value of I x character D 44h Identify software E 45h Turn laser on F 46h Upload all parameters G 47h Download all parameters H 48h Download specific parameters Data 30h upper nibble of paramet...

Page 79: ...ers transmitted except for the STX character The exception to the above rule is the turn laser off command To turn the laser off the host sends ESC where ESC 1bh Escape Character Upon receiving a command from the host the scanner sends the required information If the command requires no information in return such as a laser on command the scanner sends an ACK to acknowledge receipt of the command ...

Page 80: ...of 30 high nibble 30 low nibble For downloading all parameters Data takes the following format Parameter value where Parameter value value assigned to a specific parameter See Table 8 4 on page 8 24 for valid values These numbers follow the rule set forth for the data That is the number consists of two bytes consisting of 30 high nibble 30 low nibble Note In order to maintain compatibility with fu...

Page 81: ... are in hexadecimal format 02 53 54 49 45 03 08 To put the unit back to the default state the following string would be sent to the unit All values are in hexadecimal format 02 53 54 49 47 3E 33 31 33 30 3C 30 30 30 34 30 30 30 30 30 30 30 30 30 34 30 36 30 31 30 32 30 37 30 30 30 30 30 30 30 31 30 31 30 3A 30 31 30 31 30 30 30 3E 30 30 30 3C 30 30 38 30 30 3D 30 3A 03 0F Refer to Table 8 4 on pag...

Page 82: ... Reserved 02 Bit 0 Enable Disable Convert UPC E to UPC A 1 0 Bit 1 Enable Disable EAN Zero extend 1 0 Bit 2 Enable Disable Xmit UPC A check digit 1 0 Bit 3 Enable Disable Xmit UPC E check digit 1 0 Bit 4 Enable Disable Verify code 39 check digit 1 0 Bit 5 Enable Disable CLSI editing 1 0 Bit 6 Enable Disable NOTIS editing 1 0 Bit 7 Reserved Table 8 4 Programming Protocol Continued Parameter Definit...

Page 83: ...erved 04 Bit 0 Reserved Bit 1 Enable Disable Code 39 buffering 1 0 Bit 2 Enable Disable Beeper 1 0 Bit 3 Reserved Bit 4 Reserved Bit 5 Reserved Bit 6 Reserved Bit 7 Reserved 05 Bit 0 Enable Disable 2 digit UPC Supplementals 1 0 Bit 1 Enable Disable 5 digit UPC Supplementals 1 0 Bit 2 Reserved Bit 3 Reserved Bit 4 Reserved Bit 5 Reserved Bit 6 Reserved Bit 7 Reserved Table 8 4 Programming Protocol ...

Page 84: ...d 07 Bit 0 Enable Disable Polling 1 0 Bit 1 Enable Disable Decode UPC Only 1 0 Bit 2 Enable Disable UPC Supplementals Autodiscriminate 1 0 Bit 3 Reserved Bit 4 Reserved Bit 5 Reserved Bit 6 Reserved Bit 7 Reserved 08 UPC Security Level 1 0 No Security 00 Check Ambiguous Characters 02 Check All Characters 03 Table 8 4 Programming Protocol Continued Parameter Definition Value ...

Page 85: ... 01 600 Baud 02 1200 Baud 03 2400 Baud 04 4800 Baud 05 9600 Baud 06 19 200 Baud 07 11 Parity Odd 00 Even 01 Mark 02 Space 03 None 04 12 Stop Bits One Stop Bit 01 Two Stop Bits 02 13 Data Bits Seven Bits 07 Eight Bits 08 Table 8 4 Programming Protocol Continued Parameter Definition Value ...

Page 86: ... Options Level Trigger 00 Continuous Trigger 01 Pulse Trigger 02 Continuous Pulse 03 Constant Scan Report 04 Host Triggering 05 Next New Code 06 17 Laser On Time Out 0 5 Seconds 00 1 0 Seconds 01 1 5 Seconds 02 2 0 Seconds 03 2 5 Seconds 04 3 0 Seconds 05 3 5 Seconds 06 4 0 Seconds 07 Table 8 4 Programming Protocol Continued Parameter Definition Value ...

Page 87: ... Seconds 06 3 5 Seconds 07 19 Intercharacter Delay 00 99 milliseconds 00 99 20 UPC E Preamble None 00 System Character 01 System Character Country Code 02 21 UPC A Preamble None 00 System Character 01 System Character Country Code 02 22 Code ID Character None 00 Symbol ID 01 AIM ID 02 Table 8 4 Programming Protocol Continued Parameter Definition Value ...

Page 88: ...ength 1 01 31 26 D 2 of 5 Length 1 00 31 27 Prefix 8 Bit ASCII Value Hexadecimal 00 7F 80 Disabled 28 Suffix 1 8 Bit ASCII Value Hexadecimal 00 7F 80 Disabled 29 Suffix 1 8 Bit ASCII Value Hexadecimal 00 7F 80 Disabled Table 8 4 Programming Protocol Continued Parameter Definition Value ...

Page 89: ...7 ETX 03 00 3 FS 1C 028 EOT 04 00 4 GS 1D 029 ENQ 05 00 5 RS 1E 030 ACK 06 00 6 US 1F 031 BEL 07 00 7 27 039 BS 08 00 8 28 040 HT 09 00 9 29 041 LF 0A 010 2A 042 VT 0B 011 2B 043 FF 0C 012 2C 044 CR 0D 013 2D 045 SO 0E 014 2E 046 SI 0F 015 2F 047 DLE 10 016 0 30 048 DC1 11 017 1 31 049 DC2 12 018 2 32 050 DC3 13 019 3 33 051 DC4 14 020 4 34 052 NAK 15 021 5 35 053 SYN 16 022 6 36 054 ETB 17 023 7 ...

Page 90: ... 5B 091 B 42 066 5C 092 C 43 067 5D 093 D 44 068 5E 094 E 45 069 5F 095 F 46 070 60 096 G 47 071 a 61 097 H 48 072 b 62 098 I 49 073 c 63 099 J 4A 074 d 64 100 K 4B 075 e 65 101 L 4C 076 f 66 102 M 4D 077 g 67 103 N 4E 078 h 68 104 O 4F 079 i 69 105 P 50 080 j 6A 106 Q 51 081 k 6B 107 Table 8 5 ASCII Table Continued Character Hexadecimal Decimal Character Hexadecimal Decimal ...

Page 91: ...m 6D 109 w 77 119 n 6E 110 x 78 120 o 6F 111 y 79 121 p 70 112 z 7A 122 q 71 113 7B 123 r 72 114 7C 124 s 73 115 7D 125 t 74 116 7E 126 u 75 117 DEL 7F 127 v 76 118 Table 8 5 ASCII Table Continued Character Hexadecimal Decimal Character Hexadecimal Decimal ...

Page 92: ...are found on the pages indicated in Table 9 1 Table 9 1 Parameter Menus Index Parameter Page Set Defaults 9 2 Code Types 9 2 Code Lengths 9 5 Decode Options 9 7 UPC A Preamble 9 11 UPC E Preamble 9 12 Prefix Suffix Values 9 13 Security Options 9 15 Laser Control 9 19 RS 232C 9 22 Intercharacter Delay 9 28 Code ID Character 9 30 ...

Page 93: ...o the defaults listed in Table 8 2 on page 8 3 SET DEFAULTS Code Type Enable or disable specific code types by scanning the appropriate bar code s ENABLE ALL CODE TYPES DISABLE ALL CODE TYPES Note When ENABLE ALL CODE TYPES is selected EAN 128 is enabled even though the default is Disabled ...

Page 94: ...abling Code 39 Full ASCII only has an affect when Code 39 has been enabled ENABLE UPC EAN DISABLE UPC EAN ENABLE CODE 39 ENABLE CODE 39 FULL ASCII DISABLE CODE 39 DISABLE CODE 39 FULL ASCII ENABLE CODE 128 DISABLE CODE 128 ENABLE EAN 128 DISABLE EAN 128 ...

Page 95: ...20 Product Reference Guide Code Type cont d ENABLE D 2 of 5 DISABLE D 2 of 5 ENABLE I 2 of 5 DISABLE I 2 of 5 ENABLE MSI Plessey DISABLE MSI Plessey ENABLE CODABAR DISABLE CODABAR ENABLE CODE 93 DISABLE CODE 93 ...

Page 96: ...h desired length For example for a length of 12 scan 1 then 2 For a length of 3 scan 0 then 3 Always scan two bar codes for each length 3 To change a selection scan CANCEL Note For additional information on Code Lengths see Code Lengths on page 8 6 I 2 OF 5 1 DISCRETE LENGTH I 2 OF 5 2 DISCRETE LENGTHS D 2 OF 5 1 DISCRETE LENGTH D 2 OF 5 2 DISCRETE LENGTHS ...

Page 97: ...9 6 LS 1220 Product Reference Guide Code Lengths cont d 1 2 3 4 5 6 7 8 9 0 CANCEL ...

Page 98: ...ode option by scanning the appropriate bar code TRANSMIT UPC E CHECK DIGIT DO NOT TRANSMIT UPC E CHECK DIGIT CONVERT UPC E TO UPC A DO NOT CONVERT UPC E TO UPC A DO NOT TRANSMIT UPC A CHECK DIGIT TRANSMIT UPC A CHECK DIGIT ENABLE EAN ZERO EXTEND DISABLE EAN ZERO EXTEND ...

Page 99: ...ESSAGE TRANSMIT NO DECODE MESSAGE DISABLE DECODE UPC WITH 5 SUPPLEMENTALS DECODE UPC WITH 5 SUPPLEMENTALS DISABLE DECODE UPC WITH 2 SUPPLEMENTALS DECODE UPC WITH 2 SUPPLEMENTALS AUTODISCRIMINATE UPC WITH OR WITHOUT SUPPLEMENTALS DISABLE AUTODISCRIMINATE UPC WITH OR WITHOUT SUPPLEMENTALS ...

Page 100: ...d VERIFY CODE 39 CHECK DIGIT DO NOT VERIFY CODE 39 CHECK DIGIT ENABLE 2 MSI Plessey CHECK DIGITS ENABLE 1 MSI Plessey CHECK DIGIT ENABLE DECODE UPC ONLY DISABLE DECODE UPC ONLY MSI 2 CHECK DIGITS MOD 10 MOD 10 MSI 2 CHECK DIGITS MOD 11 MOD 10 ...

Page 101: ...oduct Reference Guide Decode Options cont d BEEP AFTER GOOD DECODE DO NOT BEEP AFTER GOOD DECODE DISABLE CLSI EDITING ENABLE CLSI EDITING ENABLE NOTIS EDITING DISABLE NOTIS EDITING DO NOT BUFFER CODE 39 BUFFER CODE 39 ...

Page 102: ...9 11 Parameter Menus UPC A Preamble Select one option for UPC A preamble by scanning the appropriate bar code NONE SYSTEM CHARACTER SYSTEM CHARACTER COUNTRY CODE ...

Page 103: ...9 12 LS 1220 Product Reference Guide UPC E Preamble Select one option for UPC E preamble by scanning the appropriate bar code NONE SYSTEM CHARACTER SYSTEM CHARACTER COUNTRY CODE ...

Page 104: ...alues To set a PREFIX SUFFIX value 1 Scan the option bar code to be set 2 Scan three bar codes on the next page which correspond to the decimal value or keystroke to be assigned 3 To change a selection scan CANCEL PREFIX SUFFIX 1 SUFFIX 2 ...

Page 105: ...9 14 LS 1220 Product Reference Guide Prefix Suffix Values cont d 1 2 3 4 5 6 7 8 9 0 CANCEL ...

Page 106: ...9 15 Parameter Menus Security Options UPC Security Level Select the desired security level option by scanning one of the bar codes below NONE CHECK AMBIGUOUS CHARACTER CHECK ALL CHARACTERS ...

Page 107: ... To set a UPC Security Zone value 1 Scan the bar code below 2 Scan two bar codes on the following page which correspond to the desired option Single digit options 0 9 must be preceded by a leading zero 3 To change a selection scan CANCEL UPC SECURITY ZONE ...

Page 108: ...9 17 Parameter Menus UPC Security Zone cont d 1 2 3 4 5 6 7 8 9 0 CANCEL ...

Page 109: ...S 1220 Product Reference Guide Bi Directional Redundancy Scan the appropriate bar code below to enable or disable bi directional redundancy BI DIRECTIONAL REDUNDANCY ENABLED BI DIRECITONAL REDUNDANCY DISABLED ...

Page 110: ...9 19 Parameter Menus Laser Control Trigger Modes Select a TRIGGER MODE from below CONSTANT SCAN REPORT LEVEL PULSE CONTINUOUS PULSE CONTINUOUS LEVEL NEXT NEW CODE HOST ...

Page 111: ...9 20 LS 1220 Product Reference Guide Laser On Time out Scan a bar code below which corresponds to the desired laser on time out 0 5 SEC 1 5 SEC 2 5 SEC 3 5 SEC 1 0 SEC 2 0 SEC 3 0 SEC 4 0 SEC ...

Page 112: ...9 21 Parameter Menus Laser Off Time out Scan a bar code below which corresponds to the desired laser off time out 0 5 SEC 1 5 SEC 2 5 SEC 3 5 SEC 1 0 SEC 2 0 SEC 0 0 SEC 3 0 SEC ...

Page 113: ...9 22 LS 1220 Product Reference Guide RS 232C Options Baud Rate Set the baud rate for RS 232C transmission 300 600 1200 2400 4800 9600 19200 ...

Page 114: ...9 23 Parameter Menus Parity Set the type of parity for RS 232C transmission ODD EVEN MARK SPACE NONE ...

Page 115: ...9 24 LS 1220 Product Reference Guide Hardware Handshaking Select the type of RS 232C Hardware Handshaking protocol NONE RTS CTS ...

Page 116: ...9 25 Parameter Menus Software Handshaking Select the type of RS 232C Software Handshaking protocol NONE ACK NAK ACK NAK with ENQ ENQ ONLY ...

Page 117: ...9 26 LS 1220 Product Reference Guide Stop Bit Select Select the desired number of stop bits for RS 232C communications 1 STOP BIT 2 STOP BITS ...

Page 118: ...9 27 Parameter Menus ASCII Data Format Select either 7 bit or 8 bit ASCII format for RS 232C communications 7 BIT 8 BIT ...

Page 119: ...ons intercharacter delay 1 Scan the INTERCHARACTER DELAY bar code below 2 Scan two bar codes on the next page which represent the desired delay Delays less than 10 msec require a leading zero Two bar codes must always be scanned 3 To change a selection scan CANCEL INTERCHARACTER DELAY ...

Page 120: ...9 29 Parameter Menus Intercharacter Delay cont d 1 2 3 4 5 6 7 8 9 0 CANCEL ...

Page 121: ...9 30 LS 1220 Product Reference Guide Code ID Character Select the desired option from the bar codes below NO CODE ID SYMBOL CODE ID AIM CODE ID ...

Page 122: ... code symbol Bar Code Density The number of characters represented per unit of measurement e g characters per inch Bar Height The dimension 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 sec...

Page 123: ... Character Set Those characters available for encodation in a particular bar code symbology Check Digit A digit used to verify a correct symbol decode The scanner inserts the decoded data into an arithmetic formula and checks 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 ...

Page 124: ... decoded bar code Discrete 2 of 5 A binary bar code symbology representing each character by a group of five bars two of which are wide The location of wide bars in the group determines which character is encoded spaces are insignificant Only numeric characters 0 to 9 and START STOP characters may be encoded Discrete Code A bar code or symbol in which the spaces between characters intercharacter g...

Page 125: ...the output of an incandescent bulb Laser light is typically coherent and has a high energy density Laser Diode A gallium arsenide semiconductor type 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 appl...

Page 126: ...d RD the reflectance factor of the dark bars Programming Mode The state in which a scanner is configured for parameter values See Scanning Mode Quiet Zone A clear space containing no dark marks which precedes the start character of a bar code symbol and follows the stop character Random Access Memory RAM Memory devices where any location in memory can be accessed as quickly as any other location R...

Page 127: ...encodes data within the conventions of a certain symbology usually including start stop characters quiet zones data characters and check characters Symbol Aspect Ratio The ratio of symbol height to symbol width Symbol Height The distance between the outside edges of the quiet zones of the first row and the last row Symbol Length Length of symbol measured from the beginning of the quiet zone margin...

Page 128: ...e 8 8 beeper indications 8 18 bi directional redundancy 8 10 block diagram 1 4 bullets x C CLSI editing 8 9 code 39 buffering 8 8 8 19 code 39 check digit 8 8 code 39 full ASCII 8 6 code ID character 8 17 code lengths 8 6 code types 8 6 connecting the LS 1220 2 3 connector LS 1220 I300A 3 3 LS 1220VHD I300A 5 3 LS 1220WA I300A 4 3 considerations 2 4 ESD 2 4 control circuitry 1 6 conventions notati...

Page 129: ... delay 8 17 interface pin outs 1 8 interfaces supported LS 1220 I300A 3 2 LS 1220VHD I300A 5 2 LS 1220WA I300A 4 2 L laser class LS 1220 I300A 3 3 5 3 LS 1220WA I300A 4 3 laser driver 1 5 laser off time out 8 11 laser on time out 8 11 laser power LS 1220 I300A 3 2 LS 1220VHD I300A 5 2 LS 1220WA I300A 4 2 location and positioning 2 4 M maintenance 7 1 mounting 2 1 MSI 2 check digit algorithm 8 8 MS...

Page 130: ... 8 9 RS 232 options ASCII format 8 17 baud rate 8 12 handshaking hardware 8 13 software 8 15 parity 8 12 stop bit select 8 17 security options bi directional redundancy 8 10 UPC security zone 8 10 UPC EAN security level 8 10 set defaults 8 3 UPC A and E preamble 8 9 parameter menus 9 1 parity 8 12 photodiode 1 6 pin outs 1 7 pin outs interface 1 7 pitch angle LS 1220 I300A 3 2 LS 1220VHD I300A 5 2...

Page 131: ...VHD I300A 5 3 LS 1220WA I300A 4 3 symbol support center xi T technical specifications LS 1220 I300A 3 1 LS 1220VHD I300A 5 1 LS 1220WA I300A 4 1 theory of operation 1 3 analog signal processor 1 6 control circuitry 1 6 digitizer 1 6 laser driver 1 5 mirror assembly 1 5 motor driver 1 6 mylar motor 1 5 photodiode 1 6 power management 1 7 visible laser diode 1 5 trigger mode 8 11 triggering constant...

Page 132: ...r 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 ___________________________________________________________ ________________________________________________________...

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Page 135: ...2 70 12072 03 Revision A January 2003 Symbol Technologies Inc One Symbol Plaza Holtsville N Y 11742 1300 http www symbol com manuals LS 1220 Product Reference Guide ...

Page 136: ...quipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentation Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate representative or authorized distributor for any manufacturer listed herein We re here to make your life easier How...

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