Operating manual ALPHASEAPILOT MFC Issue 1.1 Page 61 of 84
ALPHASEAPILOT MFC
2.33 Setting Maximum Safe Rate of Turn
Unlike the operational Rate of Turn (Section 2.32) that can be overridden by Track data
commands from an Approved Track Control System, the Safe Rate of Turn value can be
specified by the Master, entered and stored in the Autopilot SET UP Menu and will not be
affected by external factors such as Track Control data etc.
Accordingly, the maximum Safe Rate of Turn limit set is the absolute maximum the Autopilot
will permit during automatic heading control.
To set maximum Safe Rate of Turn:-
(i) Simultaneously press the “CANCEL” and “CONFIRM” keys for 5 seconds until
the Set Up Table is displayed with a black cursor highlighting the Set Up
parameter currently selected.
(ii) Rotate the Autopilot Set Course Control to move the cursor to parameter
number 27 (ROT MAXIMUM).
(iii) Use the rotary (+/-) illum. control to set the maximum safe value of ROT in
°/SEC (0.1-10) or °/MINUTE (6-600).
In the event that maximum Safe Rate of Turn is reached during Autopilot Control, the Autopilot
system will limit to prevent further increase and the Control Unit ACTUAL ROT display will
show actual ROT value alternating with MAX.
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