pointers and EFIS RDMI bearing pointers go to the 180 degree position)
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737-700 MAINTENANCE TRAINING MANUAL
VOR1
VOR1
VOR1
VOR VOR VOR
VOR
INVALID DISPLAYS NCD DISPLAYS TEST DISPLAY
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VOR SYSTEM - SELF TEST
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737-700 MAINTENANCE TRAINING MANUAL
MARKER BEACON SYSTEM -TEST - 1
General
You do a remote test of the navigation receivers with the navigation control panel. The navigation control panel does a test of these receivers:
-VOR/MB receiver
-ILS receiver.
When you do a test of the marker beacon system, you do a test of the VOR/MB receiver 1 at the same time.
Operation
To do a test of the VOR/MB receiver 1, select a VOR frequency and push the test switch on the front panel of the Captain’s navigation control panel. FT shows for common display system indications.
You must select marker beacon audio on at least one of the ACPs to hear the audio tones. All the marker beacon audio tones come on in the flight compartment when you do the test. The audio tones come on continuously and you hear the outer, middle, and inner at the same time.
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737-700 MAINTENANCE TRAINING MANUAL
WHITE
PUSH TEST SWITCH WITH VOR FREQUENCY SELECTED TO START A TEST
THE PRIMARY EFIS SHOWS FT (FUNCTIONAL TEST) WHEN THE VOR/MB RECEIVER 1 IS IN TEST
CAPTAIN NAVIGATION CONTROL PANEL
ALL MARKER BEACON AUDIO
TONES COME ON CONTINUOUSLY IN THE FLIGHT COMPARTMENT DURING
THE TEST
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MARKER BEACON SYSTEM - TEST - 1
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ILS SELF TEST
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ILS - SELF-TEST
Test -Displays return to normal indications.
You use the NAV control panels to do an ILS test from the flight compartment. The captain NAV control panel does a test of MMR 1 and the first officer NAV control panel does a test of MMR 2.
You need to set these controls to do an ILS test:
-Align the ADIRUs in the NAV mode
-Set the VHF NAV switch on the P5 panel to NORMAL
-Set the CDS SOURCE switch on the P5 panel to AUTO
-Enter a ILS frequency of 108.1 MHz into the active frequency
display window on the NAV control panel
-Set the captin’s and the first officer’s course on the DFCS mode
control panel that is within 90 degrees of the airplane heading (or
current aircraft heading).
-When testing the #1 MMR set the approach mode selector switch
on the standby attitude indicator to the APP postion to view ILS
test results on the standbt attitude indicator.
-To see the ILS test on the NAV display, you must select the
approach (APP) mode on the EFIS control panel mode selector.
The localizer and glideslope test values will also show on the
ADI. The localizer test value will show on the HSI
-Push the test switch on the NAV control panel.
This is the display sequence that shows on the CDS during the ILS test: 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：737-700 AVIONCS BITE HANDBOOK 航电自测设备手册 2(18)
