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* TEST - starts a self-test of the R/T and shows the test results
on the NDs
* WX - R/T shows the weather mode
* WX+T - R/T shows weather and turbulence data on the NDs.
The turbulence range is up to a maximum of 40 nautical
miles (NM). If a range more than 40 NM is set on the EFIS
control panel, the NDs show weather data only.
* MAP - R/T shows ground and terrain features on the NDs
* WX(VAR) - operates manual gain control.
SHZ ALL
Tilt Control
The tilt control adjusts the antenna tilt angle from +15 degrees
to -15 degrees.
Gain Control
SHZ 001-003
The gain controls adjust the gain for the WXR R/T signal
returns. The switches have 10 detented positions. Turn the
switch full clockwise for the CAL position. In the CAL position,
the gain is set to a calibrated level by the R/T.
SHZ 009-999
The gain control adjusts the gain for the MAP mode only. Gain
control is automatic in the WX and WX/T modes. The switches
have 10 detented positions. Turn the switch full clockwise for the
maximum gain position.
SHZ ALL
WXR SYSTEM - CONTROL PANEL
EFFECTIVITY
SHZ ALL 34-43-00
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WXR SYSTEM - CONTROL PANEL
EFFECTIVITY
SHZ 001-003 34-43-00
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WXR SYSTEM - CONTROL PANEL
WXR SYSTEM - CONTROL PANEL
EFFECTIVITY
SHZ 009-999 34-43-00
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Purpose
These are the functions of the WXR receiver/transmitter (R/T):
* Make and transmit RF pulses
* Process RF return signals
* Make display data
* Send display data to the DEUs
* Supply antenna stabilization
* Monitor and do system operation test
* Send fault status and test data to the DEUs
* Make WXR display test patterns show on the display units.
The WXR R/T provides these displays to the DEUs:
* Test
* Weather
* Map (ground mapping).
Physical Description
The WXR R/T weighs 31.5 lbs. Forced air from the WXR R/T
mount cools the WXR R/T. The front panel of the R/T has these
items:
* Coax test connector
* Test connector.
WXR SYSTEM - RECEIVER/TRANSMITTER
EFFECTIVITY
SHZ ALL 34-43-00
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WXR SYSTEM - RECEIVER/TRANSMITTER
EFFECTIVITY
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Purpose
The WXR R/T mount:
* Holds the R/T
* Connects the R/T to the airplane wiring
* Connects the R/T to the waveguide
* Supplies cooling air to the R/T.
The test switch does a test of the fan.
WXR SYSTEM - R/T MOUNT
EFFECTIVITY
SHZ ALL 34-43-00
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WXR SYSTEM - R/T MOUNT
WXR SYSTEM - R/T MOUNT
EFFECTIVITY
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Antenna Assembly
These are the parts of the antenna:
* Flat plate antenna
* Antenna pedestal.
Flat Plate Antenna
The flat plate antenna transmits and receives RF pulses.
　
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