Motorola RMU2040 ユーザーズマニュアル

English

For the following explanations, refer to “Parts of 
the Radio” on page 10.

TURNING RADIO ON/OFF 
To turn ON the radio, rotate the On/Off/Volume 
Knob clockwise. The radio will chirp and the 
LED Indicator will briefly blink red.

To turn the radio OFF, rotate the On/Off/Volume 
Knob counterclockwise until you hear a ‘click’ 
and the radio LED Indicator turns OFF.

ADJUSTING VOLUME 
Turn the On/Off/Volume Knob clockwise to 
increase the volume, or counterclockwise to 
decrease the volume.

Do not hold the radio too close to the ear 
when the volume is high or when 
adjusting the volume

.

SELECTING A CHANNEL 
To select a channel, 

press SB2 side button until 

you reach the desired channel.Voice 
announcement will indicate the channel selected.  

Each channel has its own Frequency, 
Interference Eliminator Code and Scan Settings.

TALKING AND MONITORING 
It is important to monitor for traffic before 
transmitting to avoid ‘talking over’ someone 
who is already transmitting

.

To monitor, long press and hold the SB1(*) 
button to access channel traffic. If no activity is 
present, you will hear ‘static’. To release, press 
SB1 again. Once channel traffic has cleared, 
proceed with your call by pressing the PTT

 

button. When transmitting, the LED Indicator will 
be On solid red during transmission. 

2 channels are active with factory default setting. 
Refer to "Advanced Radio Configuration" on 
Page 34 to active more channels. The radio can 
operate up to 4 channels.