Radar Overlay - Furuno TZT9 Operator's Manual

3. 3D DISPLAY, OVERLAYS
3.2.3

Radar overlay

The radar overlay display puts the radar picture on the top of the navigation chart. To
display the radar overlay, select [Overlay] from the RotoKey menu then select [Radar].
How to switch between stand-by and TX
To transmit, select [Radar] from the RotoKey menu then select [Tx Radar]. To get
stand-by, deselect [Tx Radar].
How to set the level of the radar echo transparency
RotoKey menu: Select the [Radar] - [Transparency] menu. Drag the circle icon to set
the level.
Main menu: Select [Plotter Display]. Drag the circle icon to set the level in [Radar
Overlay Transparency].
How to match the overlay and radar ranges
Select [Plotter Display] of the main menu. Select the [ON] icon in [Radar Overlay
Range link].
How to adjust radar gain, sea, rain
The gain and sea and rain clutters can be adjusted from the radar overlay. Select [Ra-
dar] from the RotoKey menu. For automatic adjustment, select [Auto Gain], [Auto Sea]
or [Auto Rain]. For manual adjustment, select [Manual Gain], [Manual Sea] or [Manual
Rain] then drag the circle icon to set each level. See section 6.2, section 6.3 or
section 6.4.
How to display the echo trail
Select [Radar] from the RotoKey menu then select [Echo Trail] to display the echo
trail. To hide the echo trail, deselect [Echo Trail].
To clear the echo trail, select [Radar] from the RotoKey menu then select [Clear Trail].
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