User Manual

MT531 User Manual V1.0
http://www.mictrack.com
3
4.3.2 Red LED - Charging indicator
Status
Description
Flash
Charging/working
Light Off
No Power
ON
Normal
4.3.3 Yellow LED - Network indicator
4.4 Install the Device
Wiring connections (See below image)
Connect the Relay (relay is optional)
The Yellow cable is control the fuel of the car and connects pin 86 of relay which is a
coil end. Pin 85 of the relay which is another coil end connects fuel channel to supply
12V power (please note working volt of the relay is consistent with working volt of the
product). Pin 30 and Pin 87a are always closed ends and connect fuel channel
power circuit in series. Please install wire in a correct way. supplier will not be
responsible for device damage caused by wrong installation.
Description
Network work
No network or SIM card not detected