Uniden PC68LTX Owners Manual - Page 10

turned clockwise to maximum. 8. Turn MIC GAIN knob to adjust microphone sensitivity for transmission. Normally, the knob is turned clockwise to maximum. 9. Set the brightness (BRT or DIM). PA MODE Using the PA mode requires an optional speaker. 1. Switch to PA. 2. Press and hold PTT to speak. 3. Release when finished. To prevent acoustic feedback, separate the microphone from the speaker when operating the PA at high output levels. If you are in PA mode but not pressing PTT, the radio receives CB transmissions and transmits them through the PA speaker. You cannot respond to the transmission. HI CUT/OFF The Hi Cut function reduces high frequencies. Switch to HI CUT to turn off higher frequencies. TO TRANSMIT/RECEIVE Perform a voltage Standing Wave Ratio (SWR) measurement prior to using the transmitter. An SWR ratio in excess of 2:1 may damage the transmitter. Be sure to read and understand Part 95, FCC Rules and Regulations before operating your transmitter. 1. Select a channel. 2. Adjust MIC GAIN. 3. When the channel is clear, press the microphone PTT and speak. 4. Release PTT when you are finished speaking to listen for the response. 10