USGlobalsat TR-203A - Manual (Page 8)

TR-203A
Version 1.2
4. Product Description (Continued)
4.2 LED Indicator Chart
Power Status LED
LED Orange Red
State
TR-203A is connected to charger or USB
cable
Battery power is low
GPS LED
LED Blink Quickly
(Once per second)
Blink Slowly (Once
every 3 seconds)
State TR-203A does not get GPS fix TR-203A gets GPS fix
GSM LED
LED Blink Quickly
(Once per second)
Blink Slowly (Once
every 3 seconds)
State
No SIM card inserted
TR-203A is searching GSM network
SIM card is registering to GSM
Standby Mode
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