Psion Teklogix 7535 G2 Uživatelský manuál stáhnout pdf (Strana 90)

Chapter 3: Getting To Know Your 7535 G2

Troubleshooting

60 Psion Teklogix 7535 G2 Hand-Held Computer User Manual

3.6.3 Troubleshooting

If the scanner is not working, investigate the following:

• Is the unit on?

• Check that the bar code symbology being scanned is enabled for the hand-held you are

using. Check any other parameters that affect the scanning procedure or the bar code.

• Check the bar code to make sure it is not damaged. Try scanning a different bar code to

verify that the problem is not with the bar code.

• Check that the bar code is within the proper range.

• Does the hand-held display the warning without scanning? This suggests a hardware

problem in the hand-held.

• Is the laser beam scanning across the bar code?

• Once the scan beam has stopped, check the scanner window for dirt or fogging.

3.6.4 Operating One Dimensional (1D) Internal Laser Scanners

• Turn the hand-held on. Wait until the unit has booted up completely.

• Aim at the bar code and press the scan key or the trigger. A scan beam and a warning

indicator appear until a successful decode is achieved or six seconds have elapsed.

3.6.5 Operating Internal PDF Laser Scanners

This scanner decodes PDF417 two-dimensional bar codes.

• Turn the hand-held on. Wait until the unit has booted up completely.

• Aim at the bar code and press the scan key or the trigger. The beam expands into a rec-

tangle covering the bar code to properly scan it. The scan beam and a warning indicator

are visible until a successful decode is achieved or three seconds have elapsed.

Important: If an aiming dot is available on the installed scanner, the dot will be enabled

for a configurable time period (including off), after which normal scanning

begins. Refer to “Dot Time (msec)” on page C-8 for details.

Double-clicking the trigger will override the aiming delay and initiate an

immediate scan. Note that the aiming dot is standard on long-range and

high visibility internal scanners.

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Psion Teklogix 7535 G2 Uživatelský manuál Strana 90