NT921 MKII Autopilot

Accordingly, the NT921 MKII offers Navitron steering expertise in a robust and compact package which includes the following special features:

• Dual Channel Heading Inputs: - NMEA 0183 Direct and Mag Sensor Coil
• Built in Radio Navigator Interface for selectable (HI and LO) automatic track steering between waypoints.
• Fully automatic stability compensation for variations in rudder speed.
• Three Heading output Channels for Radar Stabilisation etc. (NMEA, Furuno & Step by Step)
   

Straightforward operation is a key feature of the NT921 MKII thus operator controls are kept to a minimum and are clearly identified by control panel markings which are red backlit for night viewing via a variable intensity illumination control.
A conventionally marked Course Selector permits simple course selection which is automatically corrected to maintain the vessel on a specified track when connected to a GPS or Track Plotter programmed with a track based on predetermined waypoints.
In addition to Track data, the NT921 MKII will also accept NMEA heading data directly from GPS compass systems etc. When dual heading inputs are employed (NMEA + mag sensor coil) the priority source is installation programmable with automatic changeover in the event of primary source failure.
Suitable for console or bracket mounting, the NT921 MKII Control Unit is intended for wheelhouse location and is supplied complete with Heading Sensor Coil and Rudder Reference Unit for installation to solenoid hydraulic systems (11-40Vdc/5A max).
High voltage solenoids (110/220Vac/dc) can also be accommodated via the inclusion of an optional Universal Relay Box type NT920URB.
Alternatively analogue signal control of water jets or analogue steering machines requiring -10v/+10v inputs can be configured via the inclusion of a Navitron Analogue Steering Interface (NT990ASI)

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