User's Manual

6 Digital IO
6.1 Input
In-Car Trigger provide 3 digital input on Digital IO connector of IO/CAN pigtail to
connect and monitor the listed digital signals on patrol car:
 Ignition

Auxiliary

Light bar
All these three digital input could sustain 8V ~ 30V input voltage and controller of
In-Car Trigger would determine the digital input as logic high level while apply
voltage with this range.
AUX LED and Light bar LED of In-Car Trigger will be turned on if the input voltage
level on corresponded digital input is pulled high.
Also, the In-Car Status window on Test UI will keep updating the digital input
status on correspond radio icons. Icon will be set if the voltage level on the
corresponded digital input signal is pulled high.