Onwa Marine Electronics KAP-833 - Manual (Page 28)

NMEA Connection
Data In
For GPS navigation, connect the GPS unit data output and data return wires to
terminals marked IN- and IN+ of the NMEA Data terminal GPS IN1+ and In1-.
The connections to be used are marked IN- (Negative), IN+ (Signal).
Data In Connection - NOTE: Examples only
For any GPS unit which has a BNC type output plug (a bayonet plug,
taking a coaxial cable with core and shield), connect the core to IN1+
and the shield to In1-.
For a GPS unit with loose wires connect the positive to the IN + and
negative to IN-.
Refer to diagram for terminal location.
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