Uniden BEARCAT 880 English Owner's Manual - Page 16

4. Be sure all screws and mounting hardware are tight. Maintenance The Bearcat 880 is designed to give you years of trouble-free service. There are no user-serviceable parts inside. Except for the fuse in the DC power cord, no maintenance is required. To replace a blown fuse: 1. Press ends of the fuse holder together. Twist to open. Carefully separate the two pieces. 2. Remove the fuse and inspect. If blown, replace with the same type fuse. Use only the fuse specified for your Bearcat 880. Failure to do so may void your warranty. Troubleshooting In the event of system malfunction, perform the following procedures: Problem Unit does not power up No reception Poor Reception No Transmission Low Transmission Suggestion Check power cord connections. Check fuse. Check vehicle electrical system. Check microphone connection. Set CB/PA to CB. Check VOLUME and SQUELCH. Check antenna. Check antenna connection. Adjust RF Gain. Check VOLUME and SQUELCH. Be sure antenna SWR is normal. Adjust RF Gain. Set CB/PA switch to CB. Check microphone connection. Adjust MIC Gain. Adjust MIC Gain. 16