Chapter 3: Functional Test
77
3.3 Rudder angle sense
ST7000 control unit
Move the wheel to produce a starboard turn. The rudder angle display
should move to the right.
RUDDER
0
10
20
30
10
20
30
D1015-1
If the display moves to the left the red and green wires from the rudder
reference transducer must be reversed.
ST6000 control unit
Press Display twice.
Move the wheel to produce a starboard turn. The rudder angle should
increase and the direction indicator (
▼
) be displayed.
D1029-1
If the (
▲
) rudder angle indicator is displayed the red and green wires from
the rudder reference transducer should be reversed.
3.4 Rudder angle alignment
With the rudder amidships, see if the rudder angle display reads zero.
Misalignment up to +/- 7 degrees can be removed in the calibration
sequence which is explained later in this section. If the misalignment is
greater than 7 degrees the rudder reference should be mechanically
adjusted to be within the +/- 7 degree limit.
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