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14 GMR 21/41 Owner’s Manual
GMR 21/41 OPERATION > THE RADAR ADJUSTMENT MENU
Map Cursor On/Off
The Map Cursor On/Off setting turns the Map Page Cursor on or off
when operating in Split Screen mode or when using two chartplotters.
To turn the Map Cursor On or Off:
Use the Rocker to highlight Map Cursor On/Off and press
ENTER.
Setup
Selecting Setup displays the Radar Setup Menu. The Radar Setup
Menu contains four sub tabs: General, Display, MARPA, and
Advanced.
The General Tab
The General tab contains settings for Orientation, Cross-talk
Rejection, Front of Boat Offset, Timed Transmit, Timed Transmit
XMIT Time, and Timed Transmit STBY Time.
To change a Setup field option:
1. Use the Rocker to highlight the field and press ENTER to
show the field selections.
2. Use the Rocker to highlight the selection.
3. Press ENTER to accept the change.
The General Tab
Orientation—configures the Radar Page to display in one of three
modes: Heading Up, North Up, or Course Up.
Cross-talk Rejection—
radar cross-talk may occur when two or
more radar equipped vessels are operating in proximity to one
another. Cross-talk rejection automatically filters out the cross-talk
interference.