Chapter 7 System Checks - Raymarine gS Series Installation And Operation Instructions Manual

7.2 Radar check
Warning: Radar scanner safety
Before rotating the radar scanner, ensure all
personnel are clear.
Warning: Radar transmission
safety
The radar scanner transmits electromagnetic
energy. Ensure all personnel are clear of the
scanner when the radar is transmitting.
Checking the radar
From the Radar application:
1. Select Menu.
2. Select Power so that On is highlighted.
The Radar scanner will now initialize in standby mode. This
process will take approximately 70 seconds.
3. Select Radar so that Transmit is highlighted.
The radar scanner should now be transmitting and receiving.
4. Check that the radar screen is operating correctly.
Typical HD radar screen
Note: The example above is representative of the enhanced
output provided by a HD radar scanner.
Points to check:
• Radar sweep with echo responses are shown on screen.
• Radar status icon rotating in top right hand corner of the
status bar.
Check and adjust bearing alignment
Bearing alignment
The radar bearing alignment ensures that radar objects appear
at the correct bearing relative to your boat's bow. You should
check the bearing alignment for any new installation.
System checks
Example misaligned radar
1
Item Description
1
Target object (such as a buoy) dead ahead.
2 Target displayed on the radar display is not aligned with
the Ship's Heading Marker (SHM). Bearing alignment is
required.
Checking the bearing alignment
1. With your vessel under way: Align the bow with a stationary
object identified on the radar display An object between 1 &
2 NM distant is ideal.
2. Note the position of the object on the radar display. If the
target is not under the ships heading marker (SHM), there is
an alignment error and you will need to carry out bearing
alignment adjustment.
Adjusting the bearing alignment
Once you have checked the bearing alignment you can proceed
and make any required adjustments.
With the radar application displayed:
1. Select Menu.
2. Select Radar Set-up .
3. Select Advanced.
4. Select Bearing Alignment.
Selecting Bearing Alignment displays the numeric adjust
control.
5. Adjust the setting so that the selected target is under the
Ship's Heading Marker.
6. Select Back or Ok when complete.
2
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