Furuno TECDIS Installation Manual page 69

TECDIS Installation Manual
No.
Function
1 External data
2 Heading Control
3 Steering Control
4 Function
5 Function
6 Function
1 Heading Control
2 EMC
Track Control
2
Steering
Anschütz NP 2025 PLUS Adaptive Autopilot
Harbor Acceptance Test (15 minutes)
Correct number is shown at each box of below.
"Heading", "Speed"
1,[HEADING CONTROL] is activated when steering mode
switch is set to "auto". Present heading is displayed in heading
display and in preset heading display. Present heading is
activated as set heading.
2. Verify parameter settings for rudder, yawing, counter
rudder, rudder limit, ROT limit and radius value. Verify mode
of heading change, radius or R.O.T. mode by observing key
lamp.
3. Alter set course by either turn knob and push set button to
acknowledge or push and turn knob. Observe correct rudder
response.
4. Observe rudder movement.
5. Observe that max rudder limit is not exceeded.
1,Rudder moves to 10 degrees PORT when SET HEADING is
set by 20 degrees below Gyro heading.
2,Confirm the actual rudder angle by rudder angle indicator.
1. Change operating mode from hand to heading control at
Track Control TECDIS , verify that correct mode is indicated
on TECDIS and conning monitor also.
2. Shift from heading control to manual mode by switching
steering mode selector. Verify that change to manual mode is
possible from all modes with a single operator action.
1. Change set course 50 deg to starboard, off-heading alarm not
to be activated during setting of new course. Alarm is de-
activated for a time period that is a function of present course
and new desired course.
Test override tiller in modes: hand, heading control and track
control. Autopilot to go to hand
Sea trial test (240 minutes)
Response and stability of "Heading Control" steering.
1,Observed overshooting should max 2 deg on 10 deg course
change and max 5 deg on 60 deg course change.
2,Repeat another side course change with same value.
Starboard 10 deg turn with NAV FULL speed (If available).
Port 10 deg turn with NAV FULL speed (If available).
Starboard 60 deg turn with NAV FULL speed.
Port 60 deg turn with NAV FULL speed.
Tests to be repeated with half speed ahead.
Testing of interference of radio transmissions while in heading
control, observe system while:
1. Transmitting a call with FS-2570
2. Transmitting a call with VHF's
3. Transmitting a message with Felcom-15 1&2
4. Transmitting a call with Felcom-70
Steering function test should be performed as follow in the next
lists "Track Control Test " and "Fail to Safe Properties"
Requirement
Page 68
Results
□Good □NG □N/A
□Good □NG □N/A
□Good □NG □N/A
□Good □NG □N/A
□Good □NG □N/A
□Good □NG □N/A
□Good □NG □N/A
□Good □NG □N/A
□Good □NG □N/A