Use the D button to increase the value of the flashing category. To clear seconds to zero, press D while they are flashing.
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| Problem | Possible Fix | |--------|---------------| | Unit won’t power on | Check fuse, power cable connection, and battery voltage. | | No sound / weak audio | Adjust squelch. Check external speaker jack (if used). | | Can’t transmit | Ensure antenna is connected. Some channels (e.g., 16) require no tone squelch. | | Constant static | Lower squelch setting or move away from electronic interference. | | Display dim or flickering | Check battery voltage. Adjust display contrast (if available). |