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Chapter 10. Using Diagnostics
Scanning Checklist
FMake sure the scanning window is clean.
FAim the scanner at a slight angle at the bar code.
FMake sure the distance between the bar code and scanner is four to eight inches. Move the scanner in and out while the beam is on.
If the scanner still fails to read the bar code, please make a note and call Service.
Display Tests
The DISPLAY TESTS menu provides the following selections:
FBacklight
FPixel Test
FCGROM Characters (for Service use only)
The Backlight test turns the backlight on and off to make sure it is functioning properly. If the backlight does not turn on then off, please make a note and call Service.
The Pixel Test moves the cursor to each character position on both lines of the display. If any position is skipped, please make a note and call Service.