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LED indicators
The LED lighton the top left of device is the scanning notification
light. When the red light is on, it indicates that the scan is successful.
The scan notification light is disabled in the factory default settings,
and if you want to switch it on,you can enable it in the settings of scan
application.
The backlight sensor window is on the left side of the LED indicator.
The backlight will change with the external ambient light (This
function must be set up in the Backlight before it takes effect).
In the middle is the charging indicator. The indicator is red while
charging, and then turns solid green when fully charged.
On the right side are the GSM signal light, battery door detection
indicator and low battery indicator. When the GPRS module is
enabled, the GSM signal light slowly blinks blue. It fast blinks blue
during dialing process or data communication. The red light is on
after battery installment, indicating that the switch has been loosened
or not been locked properly yet. Please check it and close it again,
otherwise the device can’t be booted. The indicator flashes red in the
normal use of the device, indicating the main battery power is less
than 15% and needs to be charged.
