TRC-499 (210-1599) Care and Maintenance Faxback Doc. # 15572 The TRC-499 40-Channel 2-way CB Radio is an example of superior design and craftsmanship. The following suggestions will help you care for your CB so you can enjoy it for years. Keep the CB dry. if it gets wet, wipe it dry immediately. Liquids might contain minerals that can corrode the electronic circuits. Handle the CB gently and carefully. Dropping it can damage circuit boards and cases and can cause the CB to work improperly. Keep the CB away for dust and dirt, which can cause premature wear of parts. Wipe the CB with a damp cloth occasionally to keep it looking new. Do not use harsh chemicals, cleaning solvents, or strong detergents to clean the CB. Modifying or tampering with the CB's internal components can cause a malfunction and might invalidate your CB's warranty and void your FCC authorization to operate it. If your CB is not performing as it should, take it to your local Radio Shack store for assistance. REPLACING THE FUSE The TRC-499's 2-amp fuse helps protect your CB from power surges and short circuits. If the fuse is blown, replace it with a 2-amp, fast-acting glass fuse (Cat. No. 270-1007). Follow these steps to replace the fuse. 1. Make sure the power source and CB are both turned off. 2. To open the fuse holder, push the fuse holder ends together, then turn either end counter-clockwise and release it. 3. If the fuse is blown, replace it. 4. To close the fuse holder, push the fuse holder ends together, then turn either end clockwise. (/all-06/07/95)