User's Manual

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3. Low Power: Press this button to switch to lower power, the LCD will display
icon: ;
4. Middle Power: Press this button to switch to medium power, the LCD will
display icon:
5. High Power: Press this button to switch to high power, the LCD will display
icon:
6. Self-Define Power: Press this button to switch to a Self-Defined power, the
LCD will display icon: ;
7. Tone Alerts: Press this button to turn on or off the prompt tone, when turn on
the prompt tone, the LCD will show the following icon: , when turn off
the prompt tone, the LCD will show the following icon: ;
8. Channel+：Press this button to switch the channel - the channel number will
progressively increase
9. Channel-：Press this button to switch the channel - the channel number will
progressively decrease
10. Back-to-Back Switch：Press this button to turn on/off the back-to-back
switch, when turn on the Back-to-Back, the LCD will show the following icon:
, when turn off the Back-to-Back, the LCD will show the following icon:
;
11. Satellite Positioning Switch: Press this button to turn on/off the position
switch, when turn on the satellite positioning, the LCD will show the following
icon: , when turn off the satellite positioning, the LCD will show the