Upc-A - Symbol LS 4208 Manual

3-4 LS 4208 Product Reference Guide
Problem
Decoding Bar Codes
Scanner emits the laser, but does not decode the
bar
code.
Scanner decodes bar code, but does not transmit
the
data to the host.
Scanner emits five long low beep after a bar code
is
decoded.
Host Displays
Host displays scanned
incorrectly.
Trigger
Nothing happens when the trigger is
pulled.
Table 3-1. Troubleshooting (Continued)
Possible Causes
Scanner is not programmed for the correct bar
code
type.
Bar code symbol is unreadable.
Distance between scanner and bar code
is
incorrect.
The scan line is not crossing every bar and space
of
the symbol.
Scanner is not programmed for the correct
host
type.
Interface cable is loose.
Conversion or format error was detected.
The 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.
data Scanner is not programmed to work with the
host.
No power to the scanner.
Interface/power cables are loose.
Possible Solutions
Program the scanner to read that type of bar
code.
Chapter 12, Symbologies
See
Scan test symbols of the same bar code type
to
determine if the bar code is defaced.
Move the scanner closer to or further from the
bar
Decode Zone on page 2-10
code. See
Move the symbol until the scan line is within
the
acceptable aiming pattern. See Figure 2-3 on page
2-
Scan the appropriate host type programming
bar
code. See the chapter corresponding to the
host
Check for loose cable connection
re-connect
cable.
Ensure the 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, set the
communication
parameters to match the
For a USB HID keyboard or Keyboard
Wedge
configuration, program the system for the
correct
keyboard type and language, and turn off the
Program the proper editing options (e.g., ADF,
UPC-E
to UPC-A Conversion).
Check the scanner ' s host type parameters or
editing
options.
Check the system power. If the configuration
requires
a power supply, re-connect the power
Check for loose cable connections
re-connect
cables.
.
.
and
scanner's
host's
and