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GMR 21/41 Owner’s Manual 15
GMR 21/41 OPERATION > THE RADAR ADJUSTMENT MENU
Timed Transmit—is used to save power, likely while at anchor.
When Timed Transmit is On, the radar refers to the settings in Timed
Transmit XMIT Time and Timed Transmit STBY Time. If Off is
selected, the Timed Transmit XMIT Time and Timed Transmit STBY
Time fields are inactive.
Timed Transmit XMIT Time—
determines a time interval in
minutes the radar transmits. For example, if set to 01 min, the radar
transmits for a period of one minute before referring to the Timed
Transmit STBY Time.
Timed Transmit STBY Time—
determines a time interval in minutes
that the radar is in stands by. For example, if set to 10 min, the radar
stands by for a period of ten minutes before referring to the Timed
Transmit XMIT Time. When the radar is standing by, the scanner
does not rotate or transmit; however, power is still applied to the
Magnetron, eliminating the need for a warm-up cycle.
The Display Tab
The Display tab contains settings for Center Offset, Rings,
Background color, Heading Line, Bearing Reference, and Navigation
Features.
The Display Tab
Center Offset—has three settings: Center, Look Ahead, and Auto
Shift. Center places your current location in the center of the display.
Look Ahead shifts your current location toward the bottom of the
display, allowing you to view an area farther ahead. Auto Shift adjusts
your location on the display according to the current speed.