Garmin MX20 - Manual (Page 113)

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Detailed Operation
Range Control
The range can be adjusted using the RNG “ and RNG ” keys. Values for the radar are shown in the table below.
Unit GWX 68 aRT2000/2100 RS-181a
Range (nm) 2.5 - 320 10 - 240 10 - 240
Tilt Control
The Tilt (TILT) control is used to adjust the current tilt angle of the radar head when horizontal sweeping is
being performed.
While in the Horizontal mode, the tilt is adjusted using the tILt “ and tILt ” keys. Values for the radar are
shown in the table below.
Unit GWX 68 aRT2000/2100 RS-181a
Tilt (°) -15° - +15° -15° - +15° -15° - +15°
Bearing Control (GWX 68 and ART2000/2100 only)
The Bearing (BRG) control is used to adjust the current bearing angle of the radar head when vertical sweeping
is being performed. While in the Vertical mode, the bearing is adjusted using the BRG ’ and BRG ‘ keys.
Values shown in the table below are in degrees from straight ahead.
Unit GWX 68 aRT2000/2100 RS-181a
Bearing (°) 45L - 45R 45L - 45R NA
Gain Control
Available in MAP mode with the GWX 68, ART2000, and RS-181A; and also in WX mode with the GWX 68. In
the GWX 68, the gain settings are set separately for the Map and WX modes. The gain is used to adjust the sensi-
tivity of the radar receiver. It can be used in map mode to adjust the characteristics of the returns from the surface.
While in the Ground mode, the gain is adjusted using the GAIN + and GAIN - keys. Pressing a Gain adjust-
Radar
Radar Range and Bearing Control
Radar Tilt Control
Radar Vertical View