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Motorola LI4278 Product Reference Manual Page 61

General purpose scanner.
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Troubleshooting (Continued)
Table 3-1
Problem
Linear imager scanner emits five
long low beep after a bar code is
decoded.
Host Displays
Host displays scanned data
incorrectly.
Trigger
Nothing happens when the trigger is
pulled.
MAINTENANCE, TROUBLESHOOTING & TECHNICAL SPECIFICATIONS
Possible Causes
Conversion or format error was
detected.
The linear imager scanner's
conversion parameters are not
properly configured.
Conversion or format error was
detected.
An ADF rule was set up with
characters that can't be sent for
the host selected.
Conversion or format error was
detected.
A bar code was scanned with
characters that can't be sent for
that host.
Linear imager scanner is not
programmed to work with the
host.
No power to the linear imager
scanner.
Interface/power cables are loose.
Possible Solutions
Ensure the linear imager scanner's
conversion parameters are properly
configured.
Change the ADF rule, or change to a
host that can support the ADF rule.
Change the bar code, or change to a
host that can support the bar code.
Ensure the proper host is selected.
Scan the appropriate host type
programming bar code.
For RS-232, ensure the linear imager
scanner's communication parameters
match the host's settings.
For a USB HID keyboard or Keyboard
Wedge configuration, ensure the
system is programmed for the correct
keyboard type and language, and turn
off the CAPS LOCK key.
Ensure editing options (e.g., ADF,
UPC-E to UPC-A Conversion) are
properly programmed.
Check the linear imager scanner's host
type parameters or editing options.
Check the system power. If the
configuration requires a power supply,
re-connect the power supply.
Check the battery. Ensure that end cap
to battery chamber is secured.
Check for loose cable connections and
re-connect cables.
3 - 7

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