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