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Retevis MB2 User Manual

Retevis MB2
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02
HOW TO USE THIS RADIO
1. ON/OFF-Volume
a) To turn the set on, turn the knob (1) clockwise.
b) To increase the sound level, turn the same knob fuher clockwise.
2. Squelch
Turn the SQUELCH knob (2) clockwise to the exact point where all back ground noise disappears. Please note
that this control is ne regulation, if you set this SQ control to the maximum (fully clockwise), the radio can
only receive the strongest signal.
3. A. ASQ
The automatic squelch (ASQ) uses a preset average value. It can be turned on by sho press key (3) [ ASQ ]
B. Scan function
Long press key (3) [ASQ] to sta scan, long press again to stop scan.
4. Channel selection
All channels can be selected by sho press channel selector keys (4) [UP] or [DOWN]. Long press keys (4)
[UP] or [DOWN] fast change channel. The selected channel is displayed on the LED.
5. AM/FM modulation
The key (5) [AM/FM] allows selecting the AM or FM modulation.
6. RB setting
Press the key (6) [RB] to select RB o or 1-6 group.
7. Priority Channel 9 /19
Press the key (7) [EMG] to switch among CH9,CH19 and normal channel .
8. VOX setting
Sho press (8) [VOX] to switch VOX on , and then long press to enter VOX level setting, the LED display the
level like L3, press UP or DOWN to change VOX level. and then long press VOX key again to enter VOX
setting, LED display current level like D4, press UP or DOWN to change delay level, and then long press to
return to VOX level setting, press PTT to store and quit.
9. Key lock
Sho press(9) LOCK Key to lock all keys. press it again to unlock keys.
10.Transmitting
To transmit, press and hold the microphone PTT key and the (10) TX indicator will light on.
11.Receiving
During receiving, the RX indicator (11) will light on.
12.External speaker jack
The radio is equipped with a 3.5 mm jack socket (D) at the rear panel to connect an external speaker of 4 - 8
ohm impedance. When the external speaker is connected, the internal speaker will switched o.

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Retevis MB2 Specifications

General IconGeneral
BrandRetevis
ModelMB2
CategoryRadio
LanguageEnglish

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