How to Adjust the SWR on the Uniden PC78 Elite CB Radio

The SWR (Standing Wave Ratio) is important for the functioning of the Uniden PC78 Elite CB radio. Follow these steps to make sure your radio's SWR has a safe reading for operation.

Difficulty: Moderately Easy

Instructions

Things You'll Need:

• Uniden PC78 Elite CB radio

1. Position the meter switch to "CAL."

2. Press the "PTT" switch for the microphone.

3. Calibrate the meter using the SWR knob. Turn left or right toward the triangle-shaped indicator.

4. While pressing the "Transmit" (PTT) switch, move the meter switch to SWR.

5. Release the "PTT" switch.

Tips & Warnings

• Reading too high? Check the connections and check for damage to the cables or antenna.
• Using the radio with a ratio higher than 2:1 can damage the radio.