Retevis C2 - Page 18

2.PTT-ID MODE
1-10 level optional. The noise reduction eect enhances from level 1 to level 10. Level 10 is the best.
a.Press the Menu key to enter the menu, press the UP or DOWN key to choose Audio Setting, and press the
Menu key to enter the next-level menu.
b.Press the UP or DOWN key to choose PTT-ID MODE, and press the Menu key to enter the next-level menu.
c.Press the UP or DOWN key to choose the needed 1-10 level.
d.Press the Menu key to conrm and save.
3.RECORDER
ON: Turn on recording and transmission and reception have recording records.
OFF: No recording
a.Press the Menu key to enter the menu, press the UP or DOWN key to choose Audio Setting, and press the
Menu key to enter the next-level menu.
b.Press the UP or DOWN key to choose AI DNS, and press the Menu key to enter the next-level menu.
c.Press the UP or DOWN key to choose ON or OFF.
d.Press the Menu key to conrm and save.
4.TONE BEEP
Press the PTT key and Menu key, the radio will send 4 tones: 1000Hz, 1450Hz, 1750Hz, and 2100Hz optional.
a.Press the Menu key to enter the menu, press the UP or DOWN key to choose Audio Setting, and press the
Menu key to enter the next-level menu.
b.Press the UP or DOWN key to choose Tone Beep, and press the Menu key to enter the next-level menu.
c.Press the UP or DOWN key to choose the needed 1000Hz, 1450Hz, 1750Hz, and 2100Hz tone.
d.Press the Menu key to conrm and save.
5.ANA MIC GAIN
-3: Decrease 3 level sensitivity; -2: Decrease 2 level sensitivity; -1: Decrease 1 level sensitivity; 0: Normal gain;
1: Increase 1 level sensitivity; 2: Increase 2 level sensitivity; 3: Increase 3 level sensitivity.
a.Press the Menu key to enter the menu, press the UP or DOWN key to choose Audio Setting, and press the
Menu key to enter the next-level menu.
b.Press the UP or DOWN key to choose Ana Mic Gain, and press the Menu key to enter the next-level menu.
c.Press the UP or DOWN key to choose the needed -3 ~ 3 level mic gain.
d.Press the Menu key to conrm and save.
6.ANA TX START BEEP
ON: The receiver receives a beep rst, then receives the voice when receiving the carrier signal.
OFF: The receiver won’t receive the beep sound.
a.Press the Menu key to enter the menu, press the UP or DOWN key to choose Audio Setting, and press the
Menu key to enter the next-level menu.
b.Press the UP or DOWN key to choose Ana TX Sta Beep, and press the Menu key to enter the next-level
menu.
c.Press the UP or DOWN key to choose the needed ON or OFF.
d.Press the Menu key to conrm and save.
7.ANA TX STOP BEEP
ON: The receiver will receive an end beep when nishing transmission.
OFF: The receiver won’t receive the beep when nishing transmission.
a.Press the Menu key to enter the menu, press the UP or DOWN key to choose Audio Setting, and press the
Menu key to enter the next-level menu.
b.Press the UP or DOWN key to choose Ana TX Stop Beep, and press the Menu key to enter the next-level
menu.
c.Press the UP or DOWN key to choose ON or OFF.
d.Press the Menu key to conrm and save.
8.ALLOW TX BEEP
ON: The transmitter sends a beep rst, then sends the voice from the microphone.
OFF: The transmitter won’t send a beep.
a.Press the Menu key to enter the menu, press the UP or DOWN key to choose Audio Setting, and press the
Menu key to enter the next-level menu.
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