Symptom Try This:
Recharge or replace battery (NTN8971). Reposition or replace
Please refer to page 6 and/or page 5 or page 8.
Make sure M is completely pressed as you transmit.
Recharge, replace and/or reposition batteries.
Confirm Interference Eliminator Code is set. Frequency or
Interference Eliminator Code may be in use, change Code on all
radios if possible.
Please refer to page 20.
Scramble Code is On, and/or setting does not match other
Please refer to page 21.