Tuning method Related Options Description
as the signal diminishes. The options are: 10 sec,
30 sec, 1 min, 5 min, 10 min.
• OFF — you will NOT be able to see the direction
and speed of moving targets in relation to your
vessel.
Tune control
• AUTO — the default mode. The radar tunes itself
automatically on all range scales. Raymarine
recommends that you leave the tune function in
AUTO mode to receive the maximum signal.
• MANUAL — enables you to manually set the
tuning. Adjust the control to obtain the maximum
signal strength. If you adjust the setting shortly
after powering up the radar scanner, you should
adjust it again approximately 10 minutes after
powering up the scanner, as the required setting
will change after the magnetron has warmed up.
The radar tuning control enables you to ne-tune the
radar scanner’s receiver for maximum target returns
on the display.
Adjusting radar gain
In the radar application:
1. Press the GAIN softkey.
2. Press the GAIN softkey until the MAN option is selected.
3. Using the rotary controller, adjust the gain control to the
appropriate setting.
Adjusting the radar FTC function
In the radar application:
1. Press the GAIN softkey.
2. Press the FTC softkey until the ON option is selected.
3. Using the rotary controller, adjust the FTC function to the
appropriate setting.
Adjusting the radar rain function
In the radar application:
1. Press the GAIN softkey.
2. Press the RAIN softkey until the ON option is selected.
3. Using the rotary controller, adjust the Rain function to the
appropriate setting.
Adjusting radar sea clutter
In the radar application:
1. Press the GAIN softkey.
2. Press the SEA softkey.
3. Select the HARBOR, OFFSHORE, or COASTAL preset, as
appropriate.
136 E-Series Widescreen User reference
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