LED lights are used to communicate the status of your terminal.
|Green, blinks every 4 seconds||Sleep|
|Red, 1HZ rate, 50% duty cycle (Battery low condition: battery voltage 3.7V)||Battery Low|
|Red, 4Hz rate, 50% duty cycle (Battery extremely low condition: battery voltage 3.6V)||Battery Extremely Low|
|Orange, 1Hz rate, 50% duty cycle||Battery Charging|
|Orange, continuously on||Charging Timer Fault|
|Green, continuously on||Normal Operation|
|Off||LEDs are turned OFF when charging the e355 on a gang charger|