Uniden BEARCAT 880 English Owner's Manual - Page 15

EXIT Menu Exit the menus from the main menu levels (COLOR, CONT, BRIGHT, WXSCAN, and DIAG). From this level, turn Channel Selector until EXIT displays. Press MENU/OK. The radio returns to the last operating mode and channel. Other Features S/RF/CAL/SWR Meter You can check your incoming and outgoing signal strength and wattage as you use your Bearcat 880. The 12-column LCD display (refer to item number 3 on page 5) displays this data. Press and hold PTT on the microphone to see the RF output power levels. Release PTT to see incoming signal strengh. Calibrate Standing Wave Ratio (SWR) Check and calibrate the SWR to ensure that you are using power effectively. 1. Press S/RF/CAL/SWR until CAL and a vertical status bar display on the LCD screen to indicate you are in Calibration mode. No bar graph status levels display. 2. Press and hold PTT; bar graphs status levels display the current level. While still holding PTT, turn Channel Selector to adjust the levels up or down. 3. Release PTT. Press S/RF/CAL/SWR until the LDC displays SWR and 1.5, 2, and 3. 4. Press PTT to see if the new calibration is between 1.5 and 2. Repeat these steps until the calibration level is between 1.5 and 2. Preventive Maintenance Every 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. 15