Operating manual ALPHASEAPILOT MFC Issue 1.1 Page 64 of 84
ALPHASEAPILOT MFC
(iii) Course Comparator Alarm (CCA) Operating Note –
The CCA will only function when two heading inputs are connected to the Autopilot
system with nominated priorities of No. 1 and No. 2.
(Heading input types can be 2 x NMEA or 1 x NMEA & 1 x HSC2).
The CCA function can be programmed via the Autopilot Menus:-
For CCA ON or OFF – Parameter No. 36 in the SET UP Menu.
For Heading difference level – C.COMP in the LIMITS Menu.
NB. The CCA delay time is always identical to the OHA DELAY time (a,b,c above)
and it must be noted that if only one heading input is available, the CCA function
must be switched OFF.
To switch ON/OFF the Course Comparator Alarm (CCA):-
a. Simultaneously press the “CANCEL” and “CONFIRM” keys for 5 seconds until the
Set Up Menu is displayed with a black cursor highlighting the Set Up parameter
currently selected.
b. Rotate the Autopilot Set Course Control to move the cursor to parameter number
36 (COURSE COMPARATR).
c. Use the rotary (+/-) illum. control to set ON/OFF as required.
To set the Course Comparator Alarm (CCA) Trip Level:-
d. Use the “LIMITS” key to enter the Limits Menu.
e. Use the “LIMITS” key again to select “C.COMP” box followed by flashing current
value (4° to 16°).
f. Use the rotary (+/-) illum. control to set the required value.
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