GR-121 User Guide
GR-121 User Guide
5
3: Light Indicators
Indicator
Status
Description
Power LED
Blue solid for 30sec
Power on
then off
Red flashing
Low power
Red solid
Low power, and will
power-off soon
Green flashing
Battery is charging
Green solid
Fully charged
Blue flashing slowly
WIFI Sleeping
Wifi Signal
Blue solid
WIFI is active
Blue flashing twice
Linked with wireless network
LED Off
WIFI Sleeping
3G Signal
Green flashing
Connecting to 2G network
Green flashing slowly
Registered to 2G network
Green solid
Data connection established/
transferring in 2G network
Blue flashing
Connecting to 3G network
Blue flashing slowly
Registered to 3G network
Blue solid
Data connection established/
transfering in 3G network
Blue and green flashing
Can’t register to a network,
card is not ready or invalid
PIN code
LED Off
Sleeping
Power Button (On / Off)
Press and hold then button more than 3 seconds to power
on/off.
Press the button briefly to wake-up when in sleep mode.
Micro USB Port
The device will charge when it is connected via USB cable.
Access the T-flash Card when it is connected
via USB cable.
Power LED
Wifi Signal
3G Signal
Power Button
Micro USB Port
