Uniden BEARCAT 980 English Owner's Manual - Page 16

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 signal strength and output power as you use your Bearcat 980 SSB. 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 strength. Calibrate Standing Wave Ratio (SWR) Check and calibrate the SWR to ensure your antenna system is properly tuned. 1. Connect the antenna. 2. Turn Channel Selector to set the channel. 3. Press S/RF/CAL/SWR to CAL. Press and hold the PTT button and rotate the control knob until the bar meter aligns with CAL. 4. Press S/RF/CAL/SWR to SWR. Transmit and note the SWR reading. If the SWR reading is greater than 1.5, adjust the antenna length and recheck. 5. Repeat step 4 until you achieve the best SWR readings. 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. 4. Be sure all screws and mounting hardware are tight. E-16