User Manual for Tersus Radio RS400H3-H V1.0
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2. General Operation
2.1 Basic Operation
The basic operations include buttons, indicator status and device menu.
1) Buttons
There are five buttons on the radio RS400H3-H. The following table shows the
detailed description of these buttons.
Table 2.1 Buttons description of radio RS400H3-H
Icon
Button
Function
Power
It is used to control radio power-on and power-off, with specific
functions as follows:
Short press the power button for about 1 second to power on,
the green power indicator light illuminates when successful
power-on (under normal power supply).
While power-on, long press the power button for 3 seconds to
power off, the power indicator light turns off and the display is
off.
Parameter confirmation in the menu.
Left
Switch over various functions in the menu.
Right
Up
Select corresponding item in the current menu.
Down
