UNIDEN Model UH013 UHF CB Radio
Operation
Setting the Squelch
Turn the Unit ON by rotating the volume control clockwise.
The UH013 has 2 Levels Preset Squelch. It requires no adjustment. However, if you are in a very high noise area it may break through. Press SQT to select the tight squelch mode. The SQT icon appears.
Rotary
Channel
Selector
SLCT
STORE
| CAL TSQ DUP |
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MON SCN GS BCL INS |
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SLT | SRC HLD SQT M |
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| MHz |
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| S/RF |
SRCH | SCAN | MEM | INST | SQT |
TSQ OS/GS DUP SET/SKIP CTCSS
VOL
Selecting tight squelch mode may prevent the NOTE reception of weak signals.
Strong Signals 
Medium Signals 
Weak Signals 
Noise
Think of the squelch control as a gate. If the squelch is fully closed no signal can get through.
Strong Signals |
Medium Signals |
Weak Signals |
Noise |
If the squelch is fully open ‘Monitor Mode’ it allows all signals to get through - weak, medium and strong signals and noise.
Strong Signals |
Medium Signals |
Weak Signals |
Noise |
By setting the squelch to ‘threshold’, it blocks out all weak signals and noise and allows only the required medium and stronger signals to pass through.
Strong noise may still break through. Press SQT to select the ‘Tight Squelch’ mode. The SQT icon appears.
Monitor
MONI
Press the MONI button on the microphone to open the squelch and receive all weak signals. Press and hold the MONI button for 2 seconds to hold the squelch open (Monitor Mode). Press MONI again momentarily to cancel.
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