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Additional Information
Problem
The keypad
does not
work.
The scanner
does not
receive digital
transmission
on digital
frequencies
or trunking
systems.
Scanner
scans slowly
or stops
on noise or
silence.
Error message
appears
when trying
to upload
or download
from a
computer.
Cause
The keypad may
be locked.
The scanner
may need to be
initialized.
The digital channel
or talkgroup is not
using APCO-25
digital modulation.
The digital channel
or talkgroup is
encrypted.
The digital channel
or talkgroup is
being transmitted
from a distant
location.
SQUELCH control
is not set properly.
Subaudible
squelch mode
not set for
conventional
objects.
Your computer is
using Windows XP
and does not have
the necessary USB
cable driver.
96
Solution
Press FUNC KEY/
LIGHT key to unlock.
Follow steps in
"Initializing the
Scanner to Factory
Defaults" below.
The scanner can only
receive APCO-25
C4FM/CQPSK IMBE
digital signals.
The scanner will not
receive encrypted
traffic.
Reposition the
scanner or use an
outdoor antenna to
improve reception.
Set SQUELCH per
"Turning on the Scanner
and Setting Squelch"
on page 23.
Set the correct
subaudible squelch
mode. See "Appendix
B: Detailed Menu
Reference: Conv Menu"
on page 108.
Download and install
the file: "Windows
XP Driver to resolve
PC connection error"
from your scanner's
Product Support page
or the Software Down-
load page on
www.RadioShack.
com.
Then make your con-
nection and try again.
Be sure the correct
COM port is selected
in device manager.
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