page 10
GH-615
Button introduction
Button
Description
ESC
In Menu mode, press ESC button to escape from the current page and go
back to the previous page.
Press ESC button to split a lap when timer is running.
Power
Press 2 seconds to turn on/off GH-615.
When GH-615 is on, quickly press this button will turn on/off the backlight.
Press and hold this button for 14 seconds to do hardware reset if the system
is halted.
PG
(page)
Switch between the screens of “Menu mode”, “Location mode”,
“Speedometer mode” and “Map mode”.
OK /
Enter
Press to enter the highlighted item.
Press to confirm data entry or feature selection in Menu mode.
In Speedometer mode, press to start/stop the timer.
Up /
Down
To move upward/downward for highlighting an item.
In Speedometer mode, press to switch between two views.
In Map mode, press to zoom in or zoom out.
Up
Down
OK / Enter
ESC
PG
Power
