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LED Indicator
A
GSM LED
LED
Blink Quickly (Once per second)
1.No SIM card inserted
State
2.TR-151 is searching GSM network
3.SIM card is registering to GSM network
GPS LED
B
LED
Keeps On
State
1.TR-151 does not get GPS fix
2.TR-151 is trying to get GPS fix
C
Status LED
LED
Keeps On
State
Battery low
Power LED
D
LED
Orange
State
TR-151 is connected to charger or USB
cable
SIMPLE TRACKER TR-151
A
B
Blink
1
time
TR-151 is being
turned off.
C
D
Blink Slowly (Once every 3 seconds)
Standby Mode
Blink Slowly (Once every 3 seconds)
TR-151 gets GPS fix
2
3
times
TR-151 is being
SOS button is
turned on.
pressed
Off
LED goes off after the battery has
been fully charged.
5
times
times
Error occurs
01.
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