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4. Product Description (Continued)
4.2 LED Indicator Chart
Power Status LED
LED
State
GPS LED
LED
State
GSM LED
LED
State
TR-203A
Orange
TR-203A is connected to charger or USB
cable
Blink Quickly
(Once per second)
TR-203A does not get GPS fix
Blink Quickly
(Once per second)
No SIM card inserted
TR-203A is searching GSM network
SIM card is registering to GSM
Red
Battery power is low
Blink Slowly (Once
every 3 seconds)
TR-203A gets GPS fix
Blink Slowly (Once
every 3 seconds)
Standby Mode
Page
8
of 26
Version 1.2
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