Troubleshooting; Operating One Dimensional (1D) Internal Laser Scanners; Operating Internal Two Dimensional (2D) Imagers - Motorola Omnii User Manual

2 - 19 Omnii (Windows Embedded Hand-Held 6.5) User Guide

Troubleshooting

If the scanner is not working, investigate the following:
• Is the unit on?
• Check that the barcode symbology being scanned is enabled for the hand-held you are using. Check any
other parameters that affect the scanning procedure or the barcode.
• Check the barcode to make sure it is not damaged. Try scanning a different barcode to verify that the
problem is not with the barcode.
• Check that the barcode 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 barcode?
• Once the scan beam has stopped, check the scanner window for dirt or fogging.

Operating One Dimensional (1D) Internal Laser Scanners

• Turn the hand-held on. Wait until the unit has booted up completely.
IMPORTANT
• Aim at the barcode 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.

Operating Internal Two Dimensional (2D) Imagers

An imager scanner takes a snap shot of a single barcode or multiple barcodes (at one time). It can find a
barcode regardless of its orientation — that is, even a barcode printed at a 45 degree angle to the hand-held
will be decoded successfully.
NOTE
When scanning multiple barcodes, ensure that all of the desired barcodes are
within the field of view of the scanner. It is possible that even when all barcodes
are within the field of view, not all of them will be decoded. Only successfully
decoded barcodes are passed to the application program. The application pro-
gram then issues a warning, asking that you scan the missing barcodes.
When scanning a single barcode, ensure that only the desired barcode is
within the field of view of the scanner.
Because imager scanners generally have a shorter depth of field than laser scanners, some practise may be
required to find the optimal distance from the types of barcodes being scanned. Although the imager includes
illumination LEDs, ambient light will help the imager decode the barcodes, especially if the barcode is far from
the hand-held.
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
Appendix C: "Scanner Settings"
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.
"Dot Time (msec)" on page C-4
for details.
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