Psion Inc 7545LBWA Benutzerhandbuch

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.

•

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. 

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.

begins. Refer to “Dot Time (msec)” on page C-8 for details. 
Double-clicking the trigger will override the aiming delay and initiate an 

Preliminary Draft 3