New PT-10 LED Light Codes - All Serial #'s That Begin With 71xxxxxx
LED Light Sequence, with clipside down - facing foward:
1. Left AMBED LED: Null
2. 2ND RED LED: Low Power Indicator blinks every 5 seconds, (1) blink when battery @ 20%, (2) blinks when battery @ 10%, (3)blinks when battery @ 5% or lower.
3. 3RD AMBER LED: GSM DATA. When Connected LED blinks at every transmission.
4. 4TH AMBER LED: GPS SIGNAL. When blinking, satellites acquired.