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Operating Controls; System Control - Honeywell IntuVue RDR-4000 Pilot's Manual

3-d automatic weather radar system with forward looking windshear detection for airbus sa/lr aircraft
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IntuVue RDR-4000 Weather Radar Pilot's Guide

OPERATING CONTROLS

While the radar can be turned off completely by setting the System
Control Switch to OFF, this is not recommended. The radar operates by
continuously scanning the whole sky in front of the aircraft, and saving
the results in 3-D memory. On initial activation of the radar, or when
switched from one system to the other (1 or 2), 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
between systems during flight, except in the case of the failure of one
side.
The Display Selection Knob dictates which information is presented to
the pilots. For immediate access to the most up-to-date weather
display, leave the radar on and turn the Display Selection Knob to OFF
if you do not want to see the WXR information on your display.
When it is not safe to transmit, select OFF on both Display
Selection Knobs to prevent the radar from transmitting.

SYSTEM CONTROL

To change the System Control Switch to a different position, pull the
switch out first, then move it to the desired location.
D201002000008
Rev 1, December 2014
OFF (center): Turns the RDR-4000 radar and all
associated functions off. The radar will not
transmit. Predictive windshear detection will not
be available.
1 (up): Selects system 1 for normal weather
operation.
2 (down): Selects system 2 (if available) for
normal weather operation. In single radar
installations this position is the same as OFF. To
ensure that both systems are used, alternate
between systems on successive flights. There is
no advantage in switching between systems
during flight, except in the case of the failure of
one side.
Equipment Description
29

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