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Advanced Features
The TP22 and TP32 Tillerpilots contain many advanced features,
including the ability to accept course data from a variety of sources
other than the internal fluxgate compass. Such sources include
SimNet- and NMEA-compatible navigational receivers (GPS/
chartplotters, etc.), wind vanes, and compass heading transducers.
Nav mode
The TP22 and TP32 Tillerpilots can interface directly with compatible
Simrad chartplotters via the SimNet high-speed data bus. They also
have an inbuilt NMEA interface, which allows connection to NMEA
0183-compatible GPS and chartplotters.
Once interfaced with a GPS or chartplotter, the Tillerpilot can steer
using data from this source in addition to the internal compass,
allowing it to steer to a waypoint with great accuracy.
To activate Nav mode, the unit must be in Auto mode (press STBY/
AUTO). Simply activate a waypoint or route programmed into the
GPS/chartplotter and press the NAV key. The LED next to the NAV
key will light and the Tillerpilot will steer to the first waypoint using
Cross Track Error and Bearing To Waypoint information from the
navigational receiver to maintain an accurate course.
On arrival at the target waypoint an intermittent alarm will sound.
As a safety feature, to avoid an unexpected course change, the next
waypoint will not be automatically loaded until the NAV key is
pressed. When the vessel reaches the final waypoint, the Tillerpilot
will continue its current course under Compass (Auto) mode.
¼ Note : Some of the standard key stroke functions may have a
different effect in Nav mode than in Compass mode (see “Adjusting
course” on page 6 and “Autotacking/gybing in Nav mode” on
page 7).
Steer To Wind
The TP22 and TP32 Tillerpilots can sail to the apparent wind angle
rather than a compass course using wind data via NMEA interfaces
or SimNet. Due to the faster data rate, the use of a SimNet windvane
is recommended – priority will be given to SimNet Wind data over
NMEA Wind data received by the Tillerpilot.
¼ Note: If no wind information is present, the Tillerpilot will not enter
Steer To Wind mode.
3
STBY
TACK
STBY
AUTO
NAV
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