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Problem Isolation
16 QuickScan
®
L
Scanner emits a short low/high/low/high
beep sequence while it is being pro-
grammed.
Out of ADF parameter storage space.
Erase all rules and re-program with shorter
rules.
Decoding Bar Codes
Scanner emits laser light, but does not
decode the bar code.
Scanner is not programmed for the cor-
rect bar code type.
Program the scanner to read that type of bar
code. See
Chapter 9, Symbologies.
Bar code is unreadable.
Scan other samples 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
Depth of Field on page
14
.
The scan line is not crossing every bar
and space of the bar code.
Move the bar code until the scan line is
within the acceptable aiming pattern. See
Figure 5.
Scanner decodes bar code, but does not
transmit the data to the host.
Scanner is not programmed for the cor-
rect host type.
Scan the appropriate host type program-
ming bar code. See the chapter correspond-
ing to the host type.
Interface cable is loose.
Check for loose cable connection and re-
connect cable.
Scanner emits five long low beeps 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 parame-
ters 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.
Problem Possible Causes Possible Solutions