Uniden America Corporation UB315 사용자 설명서

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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 are 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.                       
Problem
Suggestion
APCO  25  CARD 
INSTALLED
 screen 
does not 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.
1. Check to see if the BCi25D is properly installed.
2. Check to see if the P25 Mode is 
ON
 or 
DISABLE
 in 
the Menu mode (See page 76-77).
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 P25 
system you are trying to monitor.
2. You might be in a dead-spot for the P25 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 
ENCRYPTION
 message 
appears on the display.
The scanner doesn’t monitor encrypted voice 
communications.
BC250D  9/20/2 2:52 PM  Page 86