NorthStar Navigation 8000I - Manual (Page 75)

75 Northstar 8000i Black Box Processor
2. Select Setup from the control panel.
3. Select + Radar to show a list of radar specification options.
4. Select EDIT next to the Radar Open Array Parking Angle option, then enter the new
setting using the online keyboard.
5. Select OK to confirm the new setting.
6. When you are finished, select – Radar .
10.16 Sounder
10.16.1 Change the water temperature offset
If there's a difference between the displayed water temperature and the actual water
temperature, you can enter an offset to adjust the water temperature readouts to the correct
level. The default offset is 0 (0°).
To change the offset for the water temperature:
1. Select Display from the top of the screen.
2. Select Setup from the control panel.
3. Select + Sounder to display a list of sounder specification options.
4. The Water Temperature Offset button shows the current setting. Select Edit ,
then enter the difference between the displayed water temperature and the actual
water temperature. The difference must be within -10 to 10. If you want to check or
change the temperature units, (see "Select the temperature units" page 72).
5. The new setting is applied immediately to all the Sounder screens.
6. When you are finished, select
– Sounder .
10.16.2 Change the water temperature averaging time
The water temperature sensor usually displays a readout every two seconds. If you'd prefer
to see the readout averaged out over a different time period, use this setting to specify the
time period.
To change the water temperature averaging time:
1. Select Display .
2. Select Setup from the control panel.
3. Select + Sounder to display a list of sounder specification options.
4. The Water Temperature Averaging button shows the current time period in
seconds. Select Edit , then enter the time period between temperature readouts.
This can be a minimum of one second and a maximum of 30 seconds.
5. When you are finished, select – Sounder .
10.16.3 Change the sounder's speed offset
If there's a difference between the displayed speed and the actual speed, you can enter an
offset to adjust the speed readouts to the correct level. The default offset is 0.
You'll need to obtain an accurate measurement of your vessel's speed. You can use a GPS
receiver when you're travelling faster than 5 knots, follow another vessel travelling at a
known speed between 5 knots and 20 knots, or make a timed run over a known distance.
Best results are obtained in calm conditions where there is minimal current.
To change the speed offset:
1. Select Display .
2. Select Setup from the control panel.
3. Select + Sounder to display a list of sounder specification options.