Retevis's first detachable panel amateur radio - MA1 front panel features

Retevis MA1 UV 50W mobile amateur radio is launched. It is the first HAM Radio of Retevis that supports the detachable panel , which increases the convenience of users on the road. In addition, it comes with a 3m cable, so you can place the space-consuming speaker under the seat, behind the seat, etc. In terms of functional diversity and ease of use, Retevis MA1 is your best partner. Today we will first introduce the operation panel of MA1.

 MA1 front panel Schematic diagram

Detailed introduction of buttons

1【VFO】

Press [VFO] to enter VFO mode, rotate the tuning control knob to select the operating frequency.
Press [VFO] 1 second to start the VFO scanning.
Press [F] and then[VFO] to copy the current memory channel or the current call channel to VFO (memory shift).

2【MR】

Press [MR] to enter memory channel mode, rotate the tuning control knob to select the memory channel. Press [MR] 1 second to enable memory channel scanning. Select a memory channel and press [F] then [MR] to store the current operating frequency in the memory channe

3【Tuning control knob】

Rotate this knob to select the operating frequency or memory channel, change the scanning direction, select audio, etc. 
Pressing the tuning knob can enter MHz mode (in VFO or call mode) or switch channel name and frequency display (in memory channel mode).
Press [F], then press the tuning control knob to enter the menu mode. 
Pressing the tuning control (1 second) can start the MHz scanning or group scanning.

4【CALL】

Press [CALL] will display the call channels, default 2 call channels. 
Press [BAND] can switch VHF call channel and UHF call channel.
Press [CALL] 1 second to start the call scanning. 
Quick press down [F] then [CALL] can store one VFO frequency to replace the call channel. 
Press [F]+VFO or press [F]+MR will store the call channel to VFO frequency and a MR channel.

5【F】

Press the [F] key to enter function mode. 
Press and hold the [F] key for one second to enable or disable the key lock function of the Retevis MA1.

6【TONE】

Press [TONE] to enable audio function.
Continuously press [TONE] to switch functions in the following order: audio on > CTCSS on > DCS on > off. If Tone, CTCSS, or DCS is enabled, pressing [F] and [TONE] will enter the CTCSS or DCS setup mode.

7【REV】

Press [REV] to turn the reverse function on or off;
Press [F], [REV] to enter the transmission difference frequency offset direction selection mode. 
Each time you press [F], [REV], the transmission offset direction will be switched in the following order: positive (+) direction - > Negative (-) direction - > Off.

8【LOW】

Press [LOW] to switch the transmit output power in the following order: High > Medium > Low.
Press [F], [LOW] to turn on or off the mute function.

11【BAND SEL(VOL)】

Turn the BAND SEL control knob to adjust the speaker volume.
Press [BAND SEL] on the left to select Band A. Press [BAND SEL] on the right to select Band B. 
Press [BAND SEL] one second to switch between single-band and dual-band modes. (i.e. switch left and right screens)

12 【SQL control】

Rotate the [SQL] control button to adjust the squelch level. 
Turn clockwise to turn on the squelch, turn counterclockwise to turn off the squelch.

13 【M】

Press [M] to enable its programmable function. 
The default function is monitor.

14

Long press to turn on or off the radio

Summary:

Retevis MA1 Mobile Ham Radio supports control panel removal, and is equipped with a 3m connection cable inside for flexible installation; 50W high power and TX noise reduction function ensure smooth and clear calls while achieving long-distance communication. Multi-band reception provides a diverse listening experience for your journey. In addition, Retevis MA1 can be used as a cross-band base station to expand the communication range. Whether it is outdoor camping, self-driving tours or off-road competitions, MA1 is your good partner. Since MA1 supports control panel removal, today we will introduce the operation of the front control panel.

Retevis MA1 UHF VHF 50W High Power Mobile Ham Radio