Furuno FR-8045 Installation Manual page 35

Manual MBS adjustment
Reduce the main bang (black hole), which appears at the display on short ranges, as
follows:
1. Transmit the radar on the shortest range.
2. Open the [Installation] menu and select [MBS Adjust].
3. Press ENTER to show the setting window.
4. Use the or to adjust the main bang (between 0 and 25).
5. Press ENTER to finish.
Manual video adjustment
Use the following procedure to manually adjust the video settings if necessary:
1. Transmit the radar and adjust the following settings:
Gain
A/C Sea
A/C Rain
Echo Average
Noise Rejector
Interference Rejector
2. Open the [Installation] menu and select [Video Init Adjust].
3. Press ENTER to show the setting window.
4. Press or to adjust the white noise on the display. The setting range is 0 to
31. A larger value increases the gain.
5. Press ENTER to finish.
Note: If the display is used as a remote display, set [Input Source] to [Slave]. follow
the above procedure to adjust the video and take care to ensure the remote display
output is similar to the master display output.
ARPA adjustment
During the sea trial, adjust the threshold level of the ARPA for short pulse, middle
pulse and long pulse.
• Default setting is 2.
• If the ship echoes are difficult to acquire at setting level 2, adjust to level 1.
• If the ARPA symbol moves to a different echo at setting level 2, adjust to level 3.
85 to 90
zero
zero
OFF
OFF
2
30
3. EQUIPMENT SETTINGS