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Table 2. Scanning ranges

Bar-code size

Scanning distance (inches/centimeters)

6 mil

1.75 to 8.75 in/4.4 to 22.2 cm

7.5 mil

1.5 to 11.25 in/3.8 to 28.6 cm

20 mil

2.75 to 20.75 in/7 to 52.7 cm

40 mil

2 to 19.75 in/5.1 to 50.2 cm

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Summary of Contents for PTC-921 DOS

Page 1: ...PTC 921 DOS User s Guide...

Page 2: ......

Page 3: ...PTC 921 DOS User s Guide Part Number 23451 000 02 Release Date 5 27 98...

Page 4: ...e liable for technical or editorial omissions or mistakes in this manual nor shall it be liable for incidental or consequential damages resulting from your use of the information contained in this man...

Page 5: ...ng and disposing of lithium ion batteries 3 If your PTC contains a radio 3 Using the internal laser scanner 4 Scope of the manual 5 Document conventions 5 Warnings 5 Cautions 5 Notes 5 Overview of the...

Page 6: ...code labels 16 Communicating data 17 Using a communication cradle 17 Using the radio 17 Replacing the battery pack 18 Removing the battery pack 18 Installing a new battery pack 18 Maintaining the PTC...

Page 7: ...nvironmental 26 Laser scanner 26 Memory 26 Physical 26 Processor 27 Software 27 Appendix B 29 Accessory part numbers 29 Appendix C 31 Bar code types and scanning distances 31 Bar code types supported...

Page 8: ...iv...

Page 9: ...gy and if not installed and used in accordance with this instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause...

Page 10: ...ers and radio communication in its operation The PTC 921 DOS is a low power transceiver operating under FCC Part 15 247 No license is required for operation DOC statement The PTC 921 DOS s Air I O 500...

Page 11: ...the environment therefore they must be disposed of properly Never attempt to incinerate a lithium ion battery doing so could cause it to explode Telxon urges you to contact the Environmental Protectio...

Page 12: ...y pack CAUTION This Class II laser product emits up to a 1 milliwatt beam of laser light Do not stare into the beam This label is permanently affixed to the PTC s battery pack This label lists the loc...

Page 13: ...be available from your organization Document conventions The following conventions are used throughout this manual Warnings Warnings indicate potential bodily injury or death They are set off in the l...

Page 14: ...th a series of display messages prompts and beeps Messages tell you when you make an error and provide information on the program or the PTC s status Prompts and beeps tell you when to enter data what...

Page 15: ...lication related data For example a PTC used to collect many types of data sales orders inventory changes and employee hours would store all data relating to sales orders in one file all data relating...

Page 16: ...ox 2 Remove all packing material from the PTC Save the packaging in case the PTC is ever stored or shipped to Telxon for service 3 Check the contents of the package to make sure you have received ever...

Page 17: ...PTC Press one of the top three keys ESC SCAN or ENT to turn on the PTC 921 DOS Checking the PTC 1 Make sure the PTC is turned on 2 Look at the PTC s display screen What appears on the screen depends o...

Page 18: ...cation program controls the radio Refer to your application s manual for details Your PTC 921 DOS may contain a 2 4 GHz Air I O 500 frequency hopping radio module This radio allows the PTC to interact...

Page 19: ...enabled ENT key This key can be used to enter data into the PTC s memory key This key can be used as a backspace key to erase the last character entered 2 Pressing these buttons one on each side of t...

Page 20: ...similar contacts on the SC 921 DOS The electronic impulses for all communication between the PTC and the cradle and the power for recharging the PTC s battery pack pass through these contacts See App...

Page 21: ...n you turn off the PTC 921 DOS or when the PTC turns itself off it remembers where it was in the application Then when you turn the PTC back on it returns to that same point in the application You do...

Page 22: ...example the PTC can use the clock to show the date and time on its screen or to time stamp a file Communication The PTC 921 DOS is capable of communicating with a host computer via its internal radio...

Page 23: ...data in RAM will be lost if the PTC s battery pack and backup system run out of power The amount of memory in your PTC determines how much data you can enter before you have to send it to a host comp...

Page 24: ...nned The scanner can be at an angle to the label The maximum distance from the scanner lens to the label depends on the size of the label being scanned See Appendix C for the recommended scanning dist...

Page 25: ...a its internal radio Using a communication cradle See the manual provided with the cradle for instructions on how to install the PTC and operate the cradle The PTC 921 DOS can be installed in an optio...

Page 26: ...and programs in the PTC s memory will be lost 2 Press the Battery Release buttons on the sides of the PTC while sliding the battery pack off of the unit 3 Refer to the Safety information section on pa...

Page 27: ...DOS Do not point the PTC s scanner at anyone s eyes and do not stare into the laser beam Permanent eye damage could result Do not open the PTC s case Only a trained technician can service the parts i...

Page 28: ...in a padded box and put it in a safe place away from dust dirt humidity and excessive cold 5 Charge the PTC s battery pack every two months Cleaning the PTC Equipment required A soft lint free cloth A...

Page 29: ...propyl alcohol or a battery contact cleaner If the PTC becomes extremely dirty or if liquids dirt or other foreign materials get inside the case contact your Telxon service representative Servicing th...

Page 30: ...r away from the bar code label You may not be scanning at the correct distance Change the angle of the laser scanner to the bar code label You may be too far above or below the bar code label or too f...

Page 31: ...ment is turned on and is properly connected to the host computer If the PTC still does not establish contact follow your organization s procedure to have the PTC serviced Other problems If you experie...

Page 32: ...24...

Page 33: ...S 232 communication via PTC s communication contacts and the SC 921 DOS 300 to 38 400 bps Display Type Twisted neumatic TN black on white monochrome LCD Text mode 2 lines x 12 characters Electrical Po...

Page 34: ...ating altitude Up to 15 000 ft 4 572 m ESD protection 15 kV Laser scanner Type Symbol SE 1200 standard range Safety classification Class II Memory OS flash ROM 256 KB Application flash ROM 512 KB SRAM...

Page 35: ...Processor Type V20H 9 8304 MHz Software Operating system Telxon ROM DOS MS DOS 5 0 27...

Page 36: ...28...

Page 37: ...t numbers for ordering PTC 921 DOS accessories Table 1 Accessory part numbers Item Part number Accessories 950 mAhr lithium ion battery pack Holster 23085 001 P 82306 000 Manuals SC 921 DOS User s Gui...

Page 38: ...30...

Page 39: ...93 are available by special order However the PTC can support only six bar code types so any additional bar code will have to replace one of the default bar codes The PTC 921 DOS is programmed to read...

Page 40: ...ing ranges Bar code size Scanning distance inches centimeters 6 mil 1 75 to 8 75 in 4 4 to 22 2 cm 7 5 mil 1 5 to 11 25 in 3 8 to 28 6 cm 20 mil 2 75 to 20 75 in 7 to 52 7 cm 40 mil 2 to 19 75 in 5 1...

Page 41: ...the back of the PTC and the scanner lens is facing away from you as depicted in the figure on page 4 Table 3 Communication charging contact pinouts Pin Signal Description 1 VBATT Battery charge voltag...

Page 42: ...34...

Page 43: ...nizes and deciphers bar code labels When the scanner passes over the bar code it converts the bar code into electronic signals representing data The PTC can then enter this data into files in its memo...

Page 44: ...n application to perform a specific task When pressed a function key executes a certain function for example ESC GND Ground hardware Equipment used in conjunction with programs or data communication C...

Page 45: ...operating system and the application program RS 232 An Electronic Industries Association EIA standard that defines the connector connector pins and signals used to transfer data serially from one dev...

Page 46: ...TXD Transmit data signal TXD indicates that a device is currently transmitting data 38...

Page 47: ...lling 18 removing 18 safety information 3 specifications 25 Battery Release buttons 11 18 Beeper 14 C Charging the battery pack 9 Checking the PTC 921 DOS 9 Cleaning the PTC 921 DOS 20 21 Clock 14 Com...

Page 48: ...hecking 9 cleaning 20 21 features 13 15 handling 19 maintaining 19 21 operating conditions 19 overview 6 7 parts 10 12 servicing 21 specifications 25 27 storing 20 troubleshooting 22 23 turning on 9 u...

Page 49: ...er scanner 26 memory 26 physical 26 processor 27 software 27 Storage temperature 20 26 Storing data 7 Storing the PTC 921 DOS 20 Super capacitor 13 T Troubleshooting 22 23 Turning on the PTC 921 DOS 9...

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Page 52: ...Telxon Corporation 3330 West Market Street Akron Ohio 44334 330 664 1000 800 800 8001 Part No 23451 000 02 Printed in U S A 23451 000 02...

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