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3 - 2 DS6708 Digital Scanner Product Reference Guide
Troubleshooting
Table 3-1
Troubleshooting
Problem Possible Causes Possible Solutions
The aiming pattern does not appear
when pressing the trigger.
No power to the digital scanner. If the configuration requires a power
supply,
re-connect the power supply.
Incorrect host interface cable is used. Connect the correct host interface
cable.
Interface/power cables are loose. Re-connect cables.
Digital scanner is disabled. For Synapse or IBM 468x mode,
enable the digital scanner via the host
interface. Otherwise, see the
technical person in charge of
scanning.
If using RS-232 Nixdorf B mode, CTS
is not asserted.
Assert CTS line.
Aiming pattern is disabled. Enable the aiming pattern. See
Decode Aiming Pattern on page 5-5.
Scanner emits short low/short
medium/short high beep sequence
(power-up beep sequence) more than
once.
The USB bus may put the digital
scanner in a state where power to the
digital scanner is cycled on and off
more than once.
Normal during host reset.
Digital scanner emits aiming pattern,
but does not decode the bar code.
Digital scanner is not programmed for
the correct bar code type.
Program the digital scanner to read
that type of bar code. See Chapter
13, Symbologies.
Bar code symbol is unreadable. Scan test symbols of the same bar
code type to determine if the bar code
is defaced.
The symbol is not completely inside
aiming pattern.
Move the symbol completely within
the aiming pattern.
Digital scanner emits 4 short high
beeps during decode attempt.
Digital scanner has not completed
USB initialization.
Wait several seconds and scan again.