Uniden America Corporation UT408 User Manual
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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
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
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.