Uniden BC-880FM Owner's Manual

17EXIT MenuExit the menus from the main menu levels (COLOR, CONT, BRIGHT,WXSCAN, and DIAG). From this level, turn Channel Selector until EXITdisplays. Press MENU/OK. The radio returns to the last operatingmode and channel.OTHER FEATURESS/RF/CAL/SWR MeterYou can check your incoming and outgoing signal strength and wattageas you use your Bearcat 880FM. The 12-column LCD display (refer toitem number 3 on page 6) displays this data. Press and hold PTT onthe microphone to see the RF output power levels. Release PTT to seeincoming signal strengh.Calibrate Standing Wave Ratio (SWR)Check and calibrate the SWR to ensure that you are using powereffectively.1. Press S/RF/CAL/SWR until CAL appears.2. Press and hold PTT, then rotate the channel selector until the bargraph meter is at the CAL point.3. Press S/RF/CAL/SWR until SWR appears.4. Press PTT and note the SWR reading and release PTT. If thereading is >1.5, follow your antenna’s instructions to adjust theantenna length. Then, repeat this step.PREVENTIVE MAINTENANCEEvery six months:1. Check the SWR.2. Be sure all electrical connections are tight.3. Inspect antenna coaxial cable for wear or breaks in shielding.4. Be sure all screws and mounting hardware are tight.