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Basic Operation
• Turn The Radio On & Off
Press the power knob to turn the radio on. Hold power knob for 3
seconds to turn it off.
• Adjusting Volume
Press power knob once, LCD display will appear ”SET VOLUME”
, turn the knob clockwise to increase volume or counterclockwise to
reduce it.
• Change Operation Mode
Press on the front panel or on extended DTMF microphone
to toggle between either VFO mode (frequency) & Channel+Name
Tag mode, or VFO & Channel+Frequency mode.
Access is denied when the radio is programmed at Channel
mode
• Channel Selection / Frequency Changing
1. Channel mode: RM-03N can be programmed up to 250 channels.
Rotate power knob clockwise to go through next channel or counter-
clockwise to previous channel.
2. VFO mode: Rotate power knob to change the frequency. You can
also input the desired frequency through DTMF Mic. Channel step at
5KHz, 6.25KHz, 10KHz, 12.5KHz, 20KHz, 25KHz, 30KHz, or 50KHz
can be set by user after pressing
to choose it.
• Lock The Buttons
Press and then keep pressing for 2 seconds to lock all
buttons. Thus, radio’s settings would not be changed by user’s ac-
cidental touch.
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