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Problem
Possible Causes
Possible Solutions
Decoding Bar Codes
Scanner emits the laser, but does not decode the
bar
code.
Scanner is not programmed for the correct bar
code
type.
Program the scanner to read that type of bar
code.
See
Chapter 12, Symbologies
.
Bar code symbol is unreadable.
Scan test symbols of the same bar code type
to
determine if the bar code is defaced.
Distance between scanner and bar code
is
incorrect.
Move the scanner closer to or further from the
bar
code. See
Decode Zone on page 2-10
.
The scan line is not crossing every bar and space
of
the symbol.
Move the symbol until the scan line is within
the
acceptable aiming pattern. See
Figure 2-3 on page
2-
Scanner decodes bar code, but does not transmit
the
data to the host.
Scanner is not programmed for the correct
host
type.
Scan the appropriate host type programming
bar
code. See the chapter corresponding to the
host
Interface cable is loose.
Check for loose cable connection and
re-connect
cable.
Scanner emits five long low beep after a bar code
is
decoded.
Conversion or format error was detected.
The scanner ’ s conversion parameters are
not
properly configured.
Ensure the scanner ’ s conversion parameters
are
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.
Change the ADF rule, or change to a host that
can
support the ADF rule.
Conversion or format error was detected.
A bar code was scanned with characters that
can't
be sent for that host.
Change the bar code, or change to a host that
can
support the bar code.
Host Displays
Host
displays
scanned
data
incorrectly.
Scanner is not programmed to work with the
host.
Ensure the proper host is selected.
Scan the appropriate host type programming
bar
code.
For
RS-232,
set
the
scanner's
communication
parameters
to
match
the
host's
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.
Trigger
Nothing happens when the trigger is
pulled.
No power to the scanner.
Check the system power. If the configuration
requires
a power supply, re-connect the power
Interface/power cables are loose.
Check for loose
cable connections
and
re-connect
cables.
3-4
LS 4208 Product Reference Guide
Table 3-1. Troubleshooting (Continued)
Содержание LS 4208
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Страница 3: ...LS 4208 Product Reference Guide 72 69413 01 Revision A May 2005...
Страница 5: ...Revision History Changes to the original manual are listed below Change...
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Страница 41: ...2 10 LS 4208 Product Reference Guide Decode Zone light...
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Страница 73: ...Disable Caps Lock Override...
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Страница 141: ...WARNING...
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Страница 152: ...WARNING...
Страница 155: ...issues the decode beep Beep On Successful Transmit Beep At Decode Time Do Not Beep...
Страница 161: ...123Scan Introduction 11 3 Communication with 123Scan 11 3 123Scan Parameter 11 3...
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Страница 179: ...Do Not Transmit UPC E Check Digit...
Страница 221: ...Symbologies 12 49 Redundancy Level continued Redundancy Level 1 Redundancy Level 2 Redundancy Level 3 Redundancy Level 4...
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Страница 243: ...Programming Reference Symbol Code Identifiers B 3 AIM Code Identifiers B 4...
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Страница 255: ...Numeric Bar Codes Numeric Bar Codes D 3 Cancel D 4...
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