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Handset Operation
The handset controls voice communications. Press the PTT (push-to-talk) switch to talk, and release it to listen for
response.
① Pick up the handset.
② Hold the handset close to your mouth, press the PTT switch and speak clearly.
3.4 Receive
Squelch on/off
The squelch mutes the noise output in the absence of an incoming signal. You can click [SQL] on Main screen to
turn squelch off. When radio noise is too jarring during stand-by condition, it can be muted by activating the
squelch, and the threshold value（1~10）is displayed on Main screen.
SQL level
You can do the following steps to adjust the squelch level.
① Click [SQL], the
② Rotate the PUSH TO ENTER knob to change the
NVR-3000 OPERATION MANUAL & INSTALLATION MANUAL
mark appears.
squelch level
.
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NVR-3000 OM.E 20230109-08
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