Figure 3 - Dead-ahead indication.
Steering chevrons light whenever the heading error is greater than 3
°
. As the
error builds up, more steering chevrons are lit to indicate the increasing strength
of steering needed to correct the heading error. Three are shown on Figure 4a. If
the error exceeds 21
°
, the central chevrons clear in sequence to indicate how far
“
0ff the Scale
”
the steering correction is needed. 30
°
of error are shown on
Figure 4b.
Figure 4a & 4b - Three and ten-chevron Steering indications
If the error increases beyond 180
°
, the error display reverses to show that the
shortest route back to the desired heading is now using the opposite tiller.
SETTING THE DESIRED HEADING
Bring the Vessel to the desired heading, and press up
and down
together
to log that heading. The display changes as shown on Figure 3. The logged
heading is the heading shown when the up
and down
buttons are FIRST
pressed.
The dead-ahead symbol indicates that the vessel
’
s heading is within the error
setting.
