Simrad MARINE COMPUTER - INSTALLATION REV A Technical Information

www.simrad-yachting.com A brand by Navico - Leader in Marine ElectronicsOperator manualSimrad AP24 AutopilotEnglish Sw.1.3

8 | Operation Operational modes The AP24 system is capable of the following primary steering modes: STBY (power steering), AUTO, NoDrift, NAV, WIND a

98 | Trouble shooting 5.3 Resets Autopilot reset An Autopilot Reset is part of the final test at the factory, which will reset the memories to facto

Trouble shooting | 99 Autopilot failures In the event of an autopilot failure, the AP24’s numerous test features will assist you in isolating a proba

100 | Trouble shooting Display readout Probable fault Recommended action Shallow water The depth is inside the set limit or outside the range Depth

Trouble shooting | 101 Display readout Probable fault Recommended action Rudder test failed Following conditions may exist: Rudder feedback failure

102 | Trouble shooting Display readout Probable fault Recommended action Bypass/clutch overload Clutch/bypass current exceeds 3.3 Amps (overload or

Maintenance | 103 6 Maintenance 6.1 General The AP24 units are “repair by replacement” units, and the operator is therefore required to perform only

104 | Maintenance 6.5 Compass If the compass is exposed to the weather, make a visual inspection at 2-3 months intervals, and at the start of each se

Optional equipment | 105 7 Optional equipment 7.1 R3000X Remote Control (NFU) R3000X is a small handheld remote control with two keys for power steer

106 | Optional equipment 7.2 S35 Steering Lever (NFU) S35 has spring-loaded return to mid-position. A push key with light indicator is used for mod

Optional equipment | 107 Zero point setting Unless you need a rudder angle display when leaving the dock, just steer the boat manually on a straight

Operation | 9 A single press on the PWR key turns the autopilot system on and presents the start-up pages. • Product name • Serial number • Soft

108 | Optional equipment Blank page

Glossary | 109 8 Glossary Apparent wind – The speed and direction from which the wind appears to blow with reference to the bow when the boat is movi

110 | Glossary Magnetic bearing – Bearing relative to magnetic north; compass bearing corrected for deviation. Magnetic deviation – A local magnetic

Glossary | 111 SimNet Class 1 products – Simrad products that are SimNet controllers, i.e. they have an appropriate display and routines that can set

Glossary | 112 Blank page

Index | 113 9 Index A about, 91 alarm codes, 95 indication, 93 listing, 99 shallow water, 48 wind shift, 49 apparent wind, 56, 109 apparent wind angl

114 | Index N nav change limit, 32, 69 navigating, 31 NFU Steering lever, 106 NoDrift, 29 P parameter selection automatic, 13 pattern steering, 17 po

AP24 manual EN, Doc.no.20222535, Rev.C

10 | Operation PWR a The PWR key to increase the light level by one step b The Up/Down softkeys to increase/decrease the light level by one st

Operation | 11 for operation of NFU steering levers or remote controls. Alternative displays in Standby mode Alternating rudder angle bargraph If y

12 | Operation 1.5 Automatic steering AUTO (Compass) mode When the AUTO key is pressed, the AP24 automatically selects the current boat heading as th

Operation | 13 • Automatic steering mode • New “captured” heading: 305° • Compass reading: 311° M (magnetic) or T (true) STBY Regain manual steer

14 | Operation Display legend HI-A High response parameters set automatically LO-A Low response parameters set automatically HI-M High response p

Operation | 15 parameter values as set by the Autotune function. If no Autotune is made (not recommended) the level 4 values are the factory default

16 | Operation If the actual wind angle is S-ing around the set wind angle, or the rudder activity is too high, the ‘Wind response’ should be reduced

Operation | 17 The sub-headline in the display shows the active parameter set and how it is selected. Pattern steering (power boats) The autopilot

18 | Operation C-turn makes the boat turn in a circle with a constant rate of turn. The user decides whether the C-turn should be made to port or to

Operation | 19 Spiral-turn The spiral-turn feature may also be used for circling fish or when searching a particular object on the seabed. Spiral-tur

20 | Operation 1 Negative values indicate decreasing radius while positive values indicate increasing radius. Increasing radius

Operation | 21 Zigzag-turns To enter zigzag-turn mode: TURN The course change can be set before the turn is initiated (2-70°). Press either the o

22 | Operation Main courseCourse change 40°Initial course change 20°Leg distance Turn parameter Range Change per step Default Course change 4° - 1

Operation | 23 You can at any time change the main course. You can also at any time change the distance of the leg until the boat makes a new 90° tur

24 | Operation Lazy S-turn To enter Lazy S-turn mode: TURN The course change can be adjusted before the turn is initiated (2-80°). Press either th

Operation | 25 Adjust course change and radius as follows: 1 Course changeHigher radiusLower radiusMain courseMain courseInitial course change Tur

26 | Operation Depth Contour Tracking, DCTTM With input from an echo sounder, the autopilot can be set to steer the boat to a set depth. This is very

Operation | 27 Steer the boat to the depth you want to track and in the direction of the depth contour (main course). When the wanted depth is shown

Operator manual Simrad AP24 Autopilot English Sw.1.3 Document no: 20222535 Revision: C Date: January 2010 The original language for this document

28 | Operation Contour Cross Angle (CCA) With this parameter you can make the boat lazy s across your reference depth. With the CCA set to zero there

Operation | 29 Tacking in Auto mode (sailboat) The tack function is only available when the system is set up for SAIL boat type in the installation s

30 | Operation MODE Unlike when in Auto mode the autopilot will steer the course unaffected by wind and current when the NoDrift mode is engaged. The

Operation | 31 the boat to a specific waypoint location, or through a route of waypoints. The information received from the navigator automatically c

32 | Operation The prompt display shows the name of the next waypoint (WP), the bearing of the track line (BWW) from the previous waypoint to the des

Operation | 33 Alert screen Press the softkey to verify course change larger than 10°. If no verification is made, the AP24 will continue on the

34 | Operation Example: With the speed of 20 knots you should use a waypoint circle with radius 0.09 nm. The distance between any waypoints in a ro

Operation | 35 The wind display presents the following information: • Wind (vane) mode • Set wind angle: 010 degrees from starboard • Measured win

36 | Operation the tack will be given by the ‘Tack time’ parameter set in the Setup/Sailing menu (page 55). The tack time is also controlled by the s

Operation | 37 Tack and gybe prevent When beating and running, using the autopilot is most critical. If the sails are unbalanced when beating, yaw fo

2 | AP24 Manual About this manual Rev. A 06.11.07 First issue Rev. B 25.03.08 Updated according to autopilot software 1.2. Rev. C 06.01.10 Upd

38 | Operation autopilot. The autopilot will utilize the current wind direction in these calculations and the change of course is accepted by pressin

Operation | 39 Figure 1-2

40 | Operation 1.10 Data pages A number of data pages can be displayed if the information is available on SimNet (see page 97). When one of the main

Operation | 41 Available data pages Main mode screen 1.11 Multiple station system In normal operation control is accessible from every control unit c

42 | Operation Blank page

Main menu | 43 2 Main menu In the Main menu you will find items for operation, setup and installation of the autopilot. The Service menu item present

44 | Main menu The Main menu is activated by a press on the MENU key. The Main menu items give further access to sub menus and parameter settings. Pa

Main menu | 45 Disabling pages 1 Continue to select pages and repeat the procedure if more pages are to be disabled. 1 Press and hold the Left 1 key

46 | Main menu Enabling all pages To restore all disabled data pages, select Restore data pages: 1 2.2 Trip log The trip log display shows: a. to

Main menu | 47 - Adjusting the sea state filter - Changing the sailing parameters The section assumes that the user is familiar with how to use th

AP24 Manual | 3 Contents 1 Operation... 5 1.1 Overview ...

48 | Main menu Setting Range Change per step Default Boat speed 4 Heading 1 Apparent wind 4 Wind shift 4 Depth 0 - 9 1 1 Alarms The AP24 may b

Main menu | 49 Wind shift (Only available in Wind/WindNAV mode) The wind shift alarm monitors the wind angle. The reference angle is set when the ala

50 | Main menu The data types and their respective data sources used in the products are listed on the source page in the products. If no selection

Main menu | 51 list. Highlight the data type and press the 1 key to display the list of available devices. Confirm selection of the highlighted dev

52 | Main menu Display The display is controlled by two user profiles that can be individually adjusted. The profiles are Day profile and Night profi

Main menu | 53 Language The language is set when the autopilot is turned on for the first time. Refer First time turn on, page 59. It is however poss

54 | Main menu Units of measure Parameter Options Default Boat speed − kn − km/h − mph kn Wind speed − kn − m/s − mph kn Distance − nm

Main menu | 55 Sea state filter The Seastate filter is used to reduce rudder activity and autopilot sensitivity in rough weather. OFF: Seastate fil

56 | Main menu Tack time When performing a tack in WIND mode, the rate of turn (tack time) can be adjusted. This will give single-handed sailors time

Main menu | 57 VMG optimizing Optimizing the VMG to wind will be active for 5–10 minutes after a new wind angle has been set and only when beating. ‘

4 | AP24 Manual 4.2 Acknowledging an alarm ...94 4.3 Viewing active alarms...94 4.4 Alarm codes ...

58 | Main menu On the active control unit a icon will alternate with the mode index. The "locked" control units in the system will show:

Alarm system | 59 3 Setup at installation 3.1 First time turn on Before attempting to turn on the AP24 and perform an Installation Setup, the hardwar

60 | Alarm system 3.2 Installation Menu The installation settings must be performed as part of the commissioning of the AP24 system. Failure to do s

Alarm system | 61 Commissioning 1 Dockside settings 1 If the autopilot has no rudder feedback unit installed refer to Virtual Rudder Feedbac

62 | Alarm system Confirm by pressing the softkey. Rudder feedback calibration (Not applicable for EVC) Make sure the unit is installed and aligned

Alarm system | 63 1 Manually turn the helm/wheel to port until the rudder stops at port lock (H.O.). Adjust the displayed angle the same wa

64 | Alarm system Special test of LF3000/LFI3000 Mk2 feedback 1 Align engines to center position; “zero rudder”. 2 Rev engines to 3-4000 rev/min an

Alarm system | 65 The drive engage/bypass clutch output follows the same voltage as set for the drive unit. It is not possible to select a higher vo

66 | Alarm system ‘Drive engage’ port will activate (go high) in all active steering modes, and typically engage a bypass valve on a hydraulic linear

Alarm system | 67 Depth calibration This adjustment only applies to “smart” depth transducers that outputs depth on NMEA2000 format. The default va

Operation | 5 1 Operation An autopilot is a very useful navigational aid, but DOES NOT under any circumstances replace a human navigator Do not use

68 | Alarm system The symbol in front of the depth reading will change to indicate that the depth is measured from: the keel or the water line

Alarm system | 69 Minimum wind angle Minimum wind angle is only available if ‘Boat type’ is set to ‘Sail’ in the Installation menu. The ‘Minimum wi

70 | Alarm system The ‘Nav change limit’ screen can also be reached from the Nav mode main screen by pressing the MENU key followed by the MODE key

Alarm system | 71 Boat type 1 When the autopilot is configured for Virtual Feedback the Boat type is automatically set to Outboard. Rudder Feedba

72 | Alarm system Continue to follow the instructions on the display. With the rudder hard over to starboard, turn the wheel carefully a little t

Alarm system | 73 Seatrial settings The Seatrial menu presents settings and automatic calibrations to be performed during seatrial. The seatrial mus

74 | Alarm system The calibration should be done in calm sea conditions and with minimal wind to obtain good results. Use about 60-90 seconds to make

Alarm system | 75 1 Calibration is made on the compass that is active for the autopilot. 2 If another model compass from Simrad or another manufa

76 | Alarm system 1 4 Confirm the Offset by pressing the MENU key Wind Calibration This calibration only applies if you have a wind transducer

Alarm system | 77 Boat speed calibration The hull shape or the location of the speed sensor may cause incorrect speed readings, and it may be require

6 | Operation Key Description PWR Power ON-OFF / Light key STBY Standby key Engage Standby mode AUTO Auto key Engage Auto mode MODE Mode key Activa

78 | Alarm system Transition HI-LO The Transition HI-LO is the speed at which the AP24 will automatically change the steering parameter set from HI t

Alarm system | 79 The automatic tuning process is also verifying/adjusting the “Rudder zero” alignment made in Dockside setup. Automatic tuning is a

80 | Alarm system Status The Status screen shows a list of installation items to be done and installation items completed. 1 Return to the Instal

Alarm system | 81 Manual tuning The steering parameters can be looked at and changed if needed under this menu item. The parameters are divided into

82 | Alarm system The values in the table are factory set (default) and listed for information only. After having performed the Autotune, the values

Alarm system | 83 Autotrim standard value is 40 seconds which should work well on most boats. Rule of thumb: Set to same value (secon

84 | Alarm system During the seatrial, only set Minimum Rudder to ON if it proves to give a better course keeping performance in calm sea. It should

Alarm system | 85 • If the boat is a sailboat use the WIND mode and try the AP24 at different settings of the apparent wind angle. Also try the WIND

86 | Alarm system • Understand the difference between NAV mode and NoDrift mode and their data sources (Nav, Pos) • Locating compasses and knowing

Alarm system | 87 If the auto-setting does not perform properly due to high inertia from the wheel or a loose steering gear, it can be adjusted manu

Operation | 7 Up key Up in menu or list box, Increase Down key Down in menu or list box, Decrease Softkeys When the basic operation of the keys

88 | Alarm system SimNet configuration SimNet units can be assigned in groups and given an instance number for identification. SimNet Groups The Sim

Alarm system | 89 - Simrad: Default group for AP24 - None: Not assigned to a group - 1–6: Group numbers The figures on next page illustrates how

90 | Alarm system Instance number The instance number is used to identify multiple units of the same model when connected to a SimNet or NMEA2000 net

Alarm system | 91 Confirm Demo mode by pressing the softkey. If the unit is turned off while in demo mode, the demo mode will still be active on ne

92 | Alarm system Blank page

Alarm system | 93 4 Alarm system 4.1 Alarm indication The alarm system in the AP24 autopilot is activated if any alarm settings are exceeded. Refer t

94 | Alarm system 4.2 Acknowledging an alarm An alarm is acknowledged by pressing any key. This will remove the alarm notification (text, light and s

Alarm system | 95 Alarm ID Alarm 10 Shallow water 11 Deep water 12 Anchor alarm 13 Wind shift 14 True wind speed too high 15 True wind speed too l

96 | Alarm system Blank page

Trouble shooting | 97 5 Troubleshooting An autopilot is a complex system. Its performance depends on a proper installation and a successful seatrial.