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3.6 System Information
1.
Tap
the
Sys
Info.
icon
in
the
System
Menu.
2.
You can view the OS version, GPS firmware version and other system information..
3.7 Volume
1.
Tap
the
Volume
icon
in
the
System
Menu.
3.
To adjust the volume by drag the wheel.
4.
Drag to left will become silent else will become noisy.