ST70 Pilot – alarms
Alarm events
Alar m indications
A range of alarm functions are available, to alert you to particular events.
When an alarm occurs, a popup box is displayed and an
audible alarm indication may sound. The popup identifies
the reason for the alarm.
If a n ala rm occu r s
To silence the alarm, press
CANCEL.
Alar m events
The following alarm functions are supported by the ST70,
although they may not all be applicable to your system.
Alarm Description Action
Calibration required The pilot has not been fully cali-
brated. This will appear for a few
seconds after initial power-up.
Self-cancelling.
Change mode.
Off course Vessel is off course by more than
the predetermined limit. May
appear in Auto, Track and Wind
Trim modes.
Change mode.
Change course.
Reduce heading error.
Route complete Indicates completion of a route,
when in Track mode.
Change mode.
Large Cross Track Error The cross track error (XTE) is
greater than 0.3nm. May appear
when in Track mode or when enter-
ing Track mode from any other
mode.
Change mode.
Data flagged as valid.
Loss of waypoint data
Wind shift Apparent wind angle has changed
by more than 15 degrees.
Change mode.
Change course.
Reduction in change of wind angle.
Auto release Safety alarm.
Auto release (SD) Safety alarm.
Drive stopped Safety alarm. A rudder stall condi-
tion has persisted for more than a
predetermined time, and power has
been removed from the drive unit.
May appear in Auto, Track and
Wind Trim modes.
Change mode.
Reversal of drive demand.
Seatalk 1 fail Safety alarm.
Seatalk 2 fail Safety alarm.
EEPROM corruption Safety alarm.
No pilot Safety alarm.
No compass Safety alarm.
M
WE
S
N
SOG KTS
6.2
AUTO
OFFCOURSE
Press CANCEL to silence alarm
Steer to STARBOARD
D10938-1
Card
10
continued ...
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