Uniden BEARCAT 980 Owner's Manual

Also see for BEARCAT 980: Manual para el usuario Guide d'utilisation

Contents

Uniden BEARCAT 980 Owner's Manual Manual pdf 16 page image

E-16displays. Press MENU/OK. The radio returns to the last operatingmode and channel.other FeatUresS/RF/CAL/SWR MeterYou can check your incoming signal strength and output power asyou use your Bearcat 980 SSB. The 12-column LCD display (refer toitem number 3 on page 5) displays this data. Press and hold PTT onthe microphone to see the RF output power levels. Release PTT to seeincoming signal strength.Calibrate Standing Wave Ratio (SWR)Check and calibrate the SWR to ensure your antenna system is properlytuned.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 androtate 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 lengthand recheck.5. Repeat step 4 until you achieve the best SWR readings.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.