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Troubleshooting Chart
Problem
Poor reception
Scanner will not power on
The keypad does not work
Scanner will not scan when
SCAN key is pressed
The scanner does not receive digital transmissions on digital frequencies or trunking systems
Possible Cause Remedy
Weak signals from distant stations Reposition radio for best reception
Attenuator in use on weak signals Check performance with and without attenuator activated, use setting with best reception
Strong signal overload from nearby transmitter(s)
Check performance with and without attenuator activated, use setting with best reception
AC or DC power supply not properly connected
Dead batteries
Keypad lock is activated
Check connection to AC or DC power source
Replace batteries
Press FUNC LOCK to disable keypad lock
The scanner may need to be reset or initialized
Possible “birdie” frequency programmed
The scanner may need to be reset or initialized
No channels programmed, or only one channel programmed, or all channels locked out
Follow steps to reset or initialize the scanner on Page 104
Tighten squelch, apply attenuator or lock out the “birdie” frequency
Follow steps to reset/reinitialize the scanner on Page 104
Ensure that the scanner has more than one channel programmed and enabled for scanning
SQUELCH control is not adjusted properly
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
Turn SQUELCH control clockwise until scanning resumes
The scanner can only receive
APCO-25 C4FM IMBE digital signals
The scanner will not receive encrypted traffic
Reposition the scanner or use an outdoor antenna to improve reception
103
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