18
Rev 8 Feb/2009
KMD 550/850 Quick Reference
NEXRAD INTENSITY
Precipitation intensity is depicted using colors as follows:
Magenta Intense Level 5-8 50+ dBz
Red Heavy Level 3-4 40-50 dBz
Yellow Moderate Level 2 30-40 dBz
Green Light Level 1 15-30 dBz (VDL)
10-30 dBz (XM)
NEXRAD PAGE
1 Range Scale - Indicates
selected range.
2 Available Functions -
Displays icons representing
data available (black) and
displayed (color).
3 North Pointer - Indicates
north.
4 Range Rings - Outer ring
radius is selected range
and inner ring radius is one
half the selected range.
5 MODE - Indicates the
weather produ
ct being
displayed.
6 Control Knob Icon -
Displayed when the Control
Knobs are available for
cycling through the graphical
weather products.
7 Joystick Label - Indicates
joystick is active and can be
used to pan map.
8 No Coverage Area -
Crosshatch pattern indicates
area of no coverage.
9 Precipitation - NEXRAD
precipitation returns.
2
5
1
3
6
4
11
7
10
8
9
12
2
5
1
3
6
4
11
7
10
9
12
10 Aircraft Symbol - Indicates present aircraft position and heading (if
available) or track.
11 Age of Data - Age of the data based on current time minus NEXRAD
issue time.
12 Age Status Bar - Indicates percentage of age versus elapsed time
before expiration. The bar will be green the first 50% then turn yellow.
VDL System
XM WX System
