Operation Manual

8120 Installation and Operation Manual75
Black
Auto power
When wired for Auto Power On the unit will turn on when the ignition switch is on, if you
would like the unit to turn off when the ignition switch is off then set the unit for Auto
Power Off (see section 2-2 and 17-1)
2 Wire any external alarm beepers or lights. The alarm output switches to ground to
sound the alarm. If the current is more than 200 mA, fit a relay.
3 Connect the power/data cable to the black display unit connector; turn the collar to
lock the connector.
Power/data cable
Yellow
Red
Black
Ignition
Ignition switch
Main switch
12/24 V DC
Fuses 2A
Power/data cable
Red
Yellow
Black
18-4 Installation: Power/data cable
Main switch
12/24 V DC
Fuse 2A
The power/data cable has a black locking collar and flying leads.
1 Wire the Instrument for auto power to have the Instrument turn on with the boat’s ignition
switch or to record engine hours or if the Instrument must add up the total fuel used (for
example if Navman petrol/gasoline fuel sensors are installed or if SmartCraft is installed
without fuel tank level sensors). Otherwise wire for basic power (for more information, see
section 2-2).
Basic power
Black
Black
External beepers or
lights
Power/data cable
Red
Green