15
Notice: Be sure the voltage of the vehicle power
should match up to the working voltage of relay, or
relay maybe damaged.
Ⅴ. Power On / Off
5.1 Power on
Power on: insert a valid SIM card and wire all the
cables, device will power on.
5.2 LED Indicators
The red LED flickers fast when device is searching
for GSM/LTE network, it flickers intermittently when
device has registered the GSM/LTE network
successfully.
The blue LED flickers fast when device is searching
for the GNSSsatellite signal, it flickers intermittently
when device has searched the satellites and can be
positioned.
Red LED / GSM/WCDMA/LTE
Blue LED / GNSS
Summary of Contents for TK419 Series
Page 12: ...12 ...