UNIDEN Model uh044sx UHF CB Radio
OPERATION
VOX
VOX is the automatic transmitting function by inputting voice into the VOX headset mic without pressing the PTT key.
While headset microphone is not connected, VOX function is inactive even if vox level setting is from 1 to 4. VOX icon blinks while VOX function is active.
1. | Press ENTER |
| five times. The current |
| MENU |
|
|
| vox setting flashes. | ||
2. | Press | , | to select desired |
setting.
The 5 VOX levels are from 1 (High sensitivity) to 4 (Low sensitivity) and Off.
3. Press and hold MENU to save and exit.
ENTER
ROOM MONITOR
The Room Monitor function sets the uh044sx to operate as a transmitter only - receive (speaker) is disabled. The TX is activated by voice activation (VOX) without pressing 
. TX will activate when the detected voice/noise volume exceeds the setting threshold. If the voice/noise keeps TX open for over 4seconds then TX will continue automatically for an additional 15 seconds until the voice/noise volume falls below the setting threshold.
While in Room Monitor mode;
. The receive function is disabled.
. RM flashes on the display.
. Dual Watch function, if ON, is disabled.
. Duplex mode is disabled on duplex channels.
. Scan mode is disabled.
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