Simrad AP70 Installation Manual page 49

Configuring the handshake
Handshake settings
Handshake Function
setting
HS fixed Autopilot/steering gear
interface with fixed
level signals
HS pulse Autopilot/steering gear
interface with pulse
signals
Override Manual override with
AUTO
Dodge fallback to
Override Manual override to
STBY STBY
Override Unconditional external
FU
ext FU/DP control
System configuration | AP70/AP80 Installation Manual
Description
Output contact is closed when autopilot requests
steering gear control.
Input to be closed as long as steering gear is
available for autopilot control (normally a "ready"
signal).
Output contact is closed for 1 sec when autopilot
requests steering gear control.
Input to be closed as long as steering gear is
available for autopilot control.
When input contact is closed, autopilot will give
override warning, acknowledge with closed output
STBY
contact and go to mode. When input opens,
output contact will open and autopilot returns to
AUTO
mode on present heading. Typically used for
joystick hand steering with override button on top.
¼ Note:
must be limited to one autopilot
computer board
When input contact is closed, autopilot will give
override warning, acknowledge with closed output
STBY
contact and lock to mode. When input opens,
output contact will open and autopilot will unlock.
This function is normally related to regulations for
automatic override when main hand steering is
operated.
¼ Note:
Must be limited to one autopilot
computer board
When input contact is closed, autopilot will respond
with closed output, display "External" and use the
installed current or voltage input to the RUD UI
plug of SD80/AD80 board for follow up rudder
control.
¼ Note:
Must be limited to one autopilot
computer board
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