GLOBALSAT GB-580 Quick Start - Manual (Page 4)

PG /ENTER Switch between the screens of Speedometer mode.
Press 2 seconds to enter between Main Menu page
Speedometer Page alternatively.
In Main Menu page, press this button shortly as
ENTER function.
Switch between the screens of “Menu mode”,
“Location mode”, “Speedometer mode” and “Map
mode”.
Up /Start/Stop To press UP to up scrolling as highlighting an item in
Main Menu page.
In Speedometer mode, press START button to start
timer to get training.
In Speedometer mode, press STOP button to stop
timer in training.
In Map mode, press for zoom in.
Down/Lap/Save To press Down to down scrolling as highlighting an
item in Main Menu page.
In Speedometer mode, when timer is counting for
training, press Lap button to create a lap.
If timer is stop while in training, press SAVE button to
save training.
The GPS antenna is located in the
lower part of the device. Let it face
to the sky for a better reception.