Sonar Check - Raymarine a65 Installation And Operation Instructions Manual

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.
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.
72
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 Scanner 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.

Sonar check

Warning: Sonar operation
• NEVER operate the sonar with the vessel out of the
water.
• NEVER touch the transducer face when the sonar
is powered on.
• SWITCH OFF the sonar if divers are likely to be
within 7.6 m (25 ft) of the transducer.
Sonar transducer and sonar module selection
You must designate the sonar transducer and Sonar module that
you want to use.
Sonar module selection
• Sonar variant displays are fitted with an internal sonar.
• All variants allow you to connect a compatible sonar module.
• If an external sonar module is connected to a sonar variant display
and a power supply the internal sonar should be switched off.
2
• To use a displays internal sonar on a system containing an
external sonar module, disconnect the network cable from the
external sonar module and use the Sounder Set-Up menu in the
fishfinder application to enable the internal sonar.
Transducer selection
• Sonar variant displays allow the direct connection of EITHER a
Raymarine OR a Minn Kota sonar transducer.
• All variants allow the connection of a Raymarine sonar transducer
via a compatible external sonar module.
• For all variants use the Transducer Set-Up menu in the fishfinder
application to specify the sonar transducer you want to use.
Selecting the sonar module
Sonar variant multifunction displays can use either their internal
sonar module or an external Raymarine sonar module.
Applicable only to sonar variant multifunction displays.
With the fishfinder application displayed:
1. Select Menu.
2. Select Set-Up.
3. Select Sounder Set-Up.
D11590-2
4. To use the internal sonar module select Internal Sounder so
that On is highlighted.
5. To use a connected external Raymarine sonar module select
Internal Sounder so that Off is highlighted.
Note: The Internal Sounder cannot be switched on if an external
sonar module is connected to the system and switched on.
Disconnect the network cable from the external sonar module to
enable the display's internal sonar option.
Selecting the sonar transducer
With the fishfinder application displayed:
1. Select Menu.
2. Select Set-Up.
New a Series / New c Series / New e Series