16. RADAR OVERLAY
16-2
16.2 How to Activate, Setup the Radar Overlay
Radar echoes can be output to the ECDIS and shown on its display. Like details on
S57 charts, the radar overlay can be displayed or removed from the chart display. The
transparency of the echo display can be set from the [Echo] page in the [Overlay/NAV
Tools] box. To activate and setup the radar overlay, do the following:
1. Select the [Echo] page from the [Overlay/NAV
Tools] box.
2. Click the [ON/OFF] button at [Display] to show
[ON] (radar overlay ON) to activate the overlay.
"Status: OK" appears under [Antenna] if the ra-
dar signal is being received. "Status: No Data" is
displayed if there is no radar signal.
Note: The TT display, together with the AIS and
radar displays, can also be hidden by clicking
[CLEAR RADAR] on the Status bar.
3. [Echo Level] adjusts the sensitivity of the radar picture. To adjust, put the cursor
on the slider bar and roll the scrollwheel.
4. [Density] controls the "see through" behavior of the radar overlay. [100%] overlays
the radar echo on the chart without modification. "25%" displays radar echoes
somewhat faintly, and "75%" displays radar echoes very faintly. It is recommend-
ed to use 25% or 50% when navigating narrow channels, so as not to conceal
landmasses.
5. [Priority] sets the priority between chart object and radar echo when an object and
an echo share the same position. Select the one that is to have priority.
6. Click the [Antenna] drop-down list to select the radar that is to feed radar echoes.
If the antenna is not changed within approx. 30 seconds, try to reselect it.
OK
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