Lowrance HDS-7 LIVE HDS Live Installation Manual - Page 41

Hydraulic system calibration, Steering response, Rudder test, Commissioning, VRF calibration

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Ú Note: When centering the motor during the calibration process, ensure that the motor is centered visually. The rudder feedback calibration dialog may show the motor is centered (00 value) when the motor is not centered. After centering the motor visually, press OK and the rudder center calibration setting is set to centered (00 value). 4. Select Rudder test. 5. If the calibration does not pass the rudder test: - Confirm motor is moving. - Confirm rudder feedback reading moves accordingly. - Check NAC-1 drive cable. - Confirm motor can be manually moved smoothly in each direction. - Check for other mechanical issues. - Check wiring connections. - Repeat rudder calibration steps. Hydraulic system calibration Virtual rudder feedback (VRF) calibration is used for vessels with hydraulic steering. 1. Select Commissioning. 2. Select VRF calibration. 3. Follow the onscreen instructions. Ú Note: When the autopilot attempts to turn the motor during the calibration process, ensure motor movement is noticeable and that it is turning in the correct direction before selecting Yes on the Virtual Rudder Feedback Calibration dialog. When No is selected in the dialog, the NAC-1 reverses direction and increases power the next time it turns the motor during the calibration process. Ú Note: You may have to select No more than once to ensure the pump provides enough power to turn the motor at high boat speeds. Steering response Used to increase or decrease the steering sensitivity. A low response level reduces the rudder activity and provides a more loose steering. A high response level increases the rudder activity and provides Software setup | HDS Live Installation Manual 41

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Ú
Note:
When centering the motor during the calibration
process, ensure that the motor is centered visually. The rudder
feedback calibration dialog may show the motor is centered (00
value) when the motor is not centered. After centering the
motor visually, press
OK
and the rudder center calibration
setting is set to centered (00 value).
4.
Select
Rudder test
.
5.
If the calibration does not pass the rudder test:
-
Confirm motor is moving.
-
Confirm rudder feedback reading moves accordingly.
-
Check NAC-1 drive cable.
-
Confirm motor can be manually moved smoothly in each
direction.
-
Check for other mechanical issues.
-
Check wiring connections.
-
Repeat rudder calibration steps.
Hydraulic system calibration
Virtual rudder feedback (VRF) calibration is used for vessels with
hydraulic steering.
1.
Select
Commissioning
.
2.
Select
VRF calibration
.
3.
Follow the onscreen instructions.
Ú
Note:
When the autopilot attempts to turn the motor during
the calibration process, ensure motor movement is noticeable
and that it is turning in the correct direction before selecting
Yes
on the Virtual Rudder Feedback Calibration dialog. When
No
is selected in the dialog, the NAC-1 reverses direction and
increases power the next time it turns the motor during the
calibration process.
Ú
Note:
You may have to select
No
more than once to ensure the
pump provides enough power to turn the motor at high boat
speeds.
Steering response
Used to increase or decrease the steering sensitivity. A low response
level reduces the rudder activity and provides a more loose steering.
A high response level increases the rudder activity and provides
Software setup
| HDS Live Installation Manual
41