INTRODUCTION
TK121-S General View
LED Instruction
GSM LED ( LBS / Base signal, Red )
Quick flash: Searching for base signals
( Not connect yet) ;
Slow flash: Found base signals ;
( Base Connected and LBS start )
GPS (GPS Satellite signal,Blue)
Quick flash: Searching for GPS
Satellite signals (Not positioned);
Slow flash: Found GPS signals ;
( Positioned by GPS )
Model / IMEI
Connect Power
LED Indicator
SIM Slot
