User's Manual

5
The display screen and touch panel provides a graphical and tactile user interface for the unit.
The power button turns the receiver on and off.
The ESC (escape) button exits from the current screen or function.
The ENT (enter) button applies settings, numerical values, and records points (depending on the settings of
internal software). Pressing this button for one second activates the controller’s Windows Start menu.
The Bluetooth/Wireless LAN LED indicates the level of activity at the Bluetooth wireless technology module:
Solid blue light: the Bluetooth module is on and a connection has been established.
Blink red light:the Wireless LAN is on
Red, blue led blinks alternately Bluetooth and Wireless LAN are ON
No light: the both modules are off.
The charging LED indicates the level of charge in the battery:
Green: battery has a full charge.
Red: battery is charging.
Red blink: charging error.
Figure 1-3. GRS Front
Internal GPS
Antenna Cover
Display and Touch
screen
Escape Button
Enter Button
Power Button
Charging LED
Speaker
MicroPhone
Cell Phone Modem LED
Bluetooth /Wireless LAN LED