Digital input 4 - PIR sensor**
Voltage input 3 - Engine battery (starboard)
* contact Sentinel for more information on supported protocols
** bilge, door, PIR and shore power inputs can be changed to other digital sensor types. Use Web or Mobile App to
change sensor type from their default values
Typical installation block diagram is shown below
2.4 Power supply connection
To ensure continuous monitoring, the device should be connected to a constant power source. When connecting
any power or voltage input directly to the battery, it is important to protect the battery and electrical circuit from