IntuVue RDR-4000 Weather Radar Pilot's Guide
Expanded Operating Instructions 060-4492-000
12 Rev 7, February 2015
SYSTEM SELECTION
Radar data is displayed whenever WXR mode is selected on any
electronic display or on a dedicated radar indicator. When on the
ground, the radar will not transmit if WXR is deselected or if the radar is
in TEST mode. When in the air the radar scans continuously, always
updating the memory so that current weather is immediately available.
This is true even if TEST is selected or if WXR is deselected on all
displays. (See also ON/OFF on page 5.)
Dual radar systems (two independent radar processing systems)
include the CP-1B control panel. In this case, place the System Control
Knob in either the L or R position to select the left or right system for
normal weather mode. It is good practice to switch sides at the start of
each flight.
Single radar systems (only one radar processing system) utilize the
single –system control panel (CP-1A). In this case, place the System
Control Knob in the NORM position to select the normal weather mode.
On initial activation of the radar, or when switched from one system to
the other (L or R), the radar first looks at the part of the sky that is near
the aircraft’s altitude. This data is displayed as soon as it is available.
As data is gathered from the remainder of the sky in front of the aircraft,
the display quickly fills in with any additional information. It takes no
more than 30 seconds for the complete picture to become available.
Note that when switching from one system to the other, the weather
depicted may not exactly match what was previously displayed due to
the loss of historical data from the other system. Therefore, there is no
advantage in switching from one side of the radar to the other while in
flight, except in the case of the failure of one side.
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