NorthStar Navigation NS3300 manual Power steering, Alarms

3-11 Power steering

When the autopilot is in STBY mode the helmsman must steer the boat manually. However the autopilot has power steering control modes available while in STBY mode:

To Jog Steer to port:

•hold down to turn the rudder to port To Jog Steer to starboard:

•hold down to turn the rudder to starboard Follow-up steering:

•turn the Control Dial to set the desired position of the rudder (this function is disabled until the rudder feedback unit and the compass have been calibrated [see section 6-8])

•a popup window will appear at the bottom of the screen indicating the desired position and the current position of the rudder

•the rudder will move to the desired position

•To stop the rudder turning, press , or To centre the rudder:

•press and release and together to turn the rudder to amidships (this function is disabled until the rudder feedback unit and the compass have been calibrated [see section 6-8])

•To stop the rudder turning to amidships press , or

Warning: Until the rudder feedback unit is calibrated, there is no rudder limit and the user must ensure that the rudder is not driven onto an end stop when using jog steering (damage may occur).

3-12 Alarms

There are several alarms that monitor the condition of the autopilot system, these alarms can not be adjusted. There are also alarms that can be enabled to automatically detect certain conditions, such as low battery. Alarms that are enabled are shown as black icons in the alarm status box on the NS3300 Pilot header.

When an alarm is triggered:

•the beeper sounds

•the external alarm sounds or lamp illuminates (if connected)

•the bezel backlight on the NS3300 Pilot flashes

•the alarm window is displayed

•and the alarm status icon is shown in the color corresponding to the severity of the alarm.

Press or to acknowledge and reset the alarm. This action does not disable the alarm.

•Alarms can be set: Menu > Setup > Alarms menu (see section 6-5).

Severity	Alarm tone	Color	Description
Info	Single beep	Blue	Information message, does not affect autopilot
			operation.
Warning	Moderate beeping	Black	A low priority event has occurred.
Caution	Slow beeping	Yellow	An event has occurred that may require corrective
			action.
Severe	Rapid beeping	Orange	An important event has occurred requiring immediate
			attention.
Critical	Rapid beeping, low tone	Red	A critical problem is preventing the autopilot from
			controlling the boat, manual steering is required
			immediately.

Reference Manual 19