TM 1-1510-218-10
3A-38
is available in both weather and SBY modes. The
range information is displayed in the upper right corner
and represents the outer ring. The inside ring
represents half the displayed distance. The off screen
pointer is replaced by an RMI BUG placed on the outer
ring in the direction of the active waypoint and color
coded to each navigation system. Position of the
aircraft is indicated by the green airplane symbol in the
center of the screen.
Indicator
brightness
is
adjustable
to
accommodate varying ambient light conditions while
automatically maintaining equal brightness between
the four display colors. The system is protected
through
a
5-ampere
circuit
breaker,
placarded
RADAR, located on the overhead circuit breaker
panel.
b. Controls and Functions. Refer to Figure
3A-22.
(1) Brightness (BRT) Control Knob. Controls
brightness of the indicator display, CW rotation for max
brightness.
(2) Function Switch Knob. The function
switch knob is utilized to turn the system on/off and
select LOG, TST, and SBY positions.
(a) LOG. Selected VOR frequencies
along with bearings and distances are displayed. The
radar transmits in the LOG mode.
(b) ON. Selects the normal condition of
operation for weather detection and/or other modes of
operation. The system will transmit after a 60-second
warm-up time is completed. The radar system
initializes to the Wx mode, 80 nm.
1. Brightness Control Knob
2. Function Switch
3. Range Buttons
4. Track Buttons
5. Tilt Knob
6. Gain Knob
7. Navigation Button
8. Ground Mapping Button
9. Vertical Profile Button
10. Weather / Weather Alert Button
Figure 3A-22. Digital Weather Radar (RDR 2000)
