User's Manual

GL300VC User Manual
TRACGL300VCUM001 - 8 -
Another easy way is to connect PIN7 to a power output in the fuse box of the vehicle which is
only enabled after the vehicle is ignition on. For example: the power output for radio FM.
2.6. External Input Interface
The Pin 5 on Mini-USB connector is a negative trigger input in newer hardware version, It is
named as NSW pin.
For negative trigger input the electrical conditions are:
Logical State Electrical State
Active 0V to 0.8V
Inactive 1.7V to 32V or Open
An input example is shown as following figures:
Example of NSW pin connect to a panic button