Simrad GN70, Operator And Installation Manual

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Wiring | GN70/MX610/MX612 Operator and Installation Manual
External Alarm Setup
The siren must be enabled in order for the unit to drive the external alarm when an alarm
condition arises.
External MOB command
An external N.O. (Normally Open) push button switch can be used to mark your present
position and activate the MOB feature (see diagram below for connection).
A momentary press on the Ext. MOB switch will save the MOB point and calculate the range
and bearing back to the MOB point.
To stop the MOB, press the
MENU
key. The Cancel navigation menu will be highlighted, press
the
ENT
key. Press
CLR
or any of the hot keys to exit.
External MOB switch connection
Pin Color Description
1 Black Battery (-)
2 Blue External Alarm
3 Yellow External MOB
4 Red Battery (+), 12 - 24 V DC
Ext. MOB
Switch
12 - 24 V DC
+ _
1
4
3
2
RED
BLK
YEL
BLU
1
1 8
2 3
4