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Problem Suggestion
APCO P25 CARD
NOT INSTALLED
appear when the scanner
is turned ON.
Neither APCO P25
CARD INSTALLED
9600 SYSTEM nor
APCO P25 CARD
NOT INSTALLED
appear when the scanner
is turned ON.
Scratchy or robotic sound
is heard during
communications.
Digital communication is
not heard.
DATA sound is heard at
the beginning of digital
communications.
Robotic sound is heard.
When CARD ERROR
appears every 10 seconds
while you are using P-25
Card.
1. Check to see if the P-25 Card is properly installed.
1. Check to see if the P-25 Card Mode is 1:ENABLE or
2:DISABLE in the Menu mode.
1. Move to a location where the signal strength is strong.
2. Modulation accuracy of transmissions sent can be low.
1. Verify the accuracy of the frequencies of the P-25 system you
are trying to monitor.
2. You might be in a dead-spot for the P-25 system you are trying
to monitor. Check other locations in the area.
1. APCO project 25 systems can send data before voice
communication.
2. Data sound can be heard when signal strength is weak.
1. Check to see if the ENC message appears on the display.
The scanner doesn’t monitor encrypted voice communications.
1. Re-install the P-25 Card.
If you still cannot get satisfactory results while using your scanner or if you want additional
information, please call or write the Uniden Parts and Service Division. The address and
phone number is listed in the warranty at the end of this manual. If you would like immediate
assistance, please call Customer Service at (800)297-1023.
If you have internet access, you can visit
scanner.uniden.com for additional information.