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A
737-300/400/500MAINTENANCE MANUAL
(c) FULL VOR/ILS
NOTE: To show the VOR mode, a VOR frequency (108.00)
____ must be set on the VHF NAV control panel; a test value of 116.80 will, however, be shown on the EHSI.
To show the ILS mode, an ILS frequency (108.10) must be set on the VHF NAV control panel; a test value of 110.10 will, however, be shown on the EHSI.
(d) EXP VOR/ILS
NOTE: To show the VOR mode, a VOR frequency (108.00)
____ must be set on the VHF NAV control panel; a test value of 116.80 will, however, be shown on the EHSI.
To show the ILS mode, an ILS frequency (108.10) must be set on the VHF NAV control panel; a test value of 110.10 will, however, be shown on the EHSI.
(e)
MAP
(f)
CTR MAP
(g)
PLAN
S 755-036
(10)
For each mode on the left EFIS control panel, make sure the applicable test patterns (Fig. 502 and 503) show on the left display units.
S 755-037
(11)
For each mode on the right EFIS control panel, make sure the applicable test patterns (Fig. 502 and 503) show on the right display units.
S 755-038
(12)
For each mode on the two EFIS control panels, make sure the test patterns are the same on the two EADIs and the two EHSIs.
H. EFIS Control Panel Switches Test
S 725-039
(1) Do a test of the map mode display selector switches as follows:
(a)
Set the mode selector switches on the left and right EFIS control panels to the MAP position.
(b)
Make sure the left and right EHSIs show the MAP mode test pattern.
(c)
On the left and right EFIS control panels, make sure all the lights on the map mode display switches are on.
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EFIS BITE - Self-Test (EADI Test Displays)
Figure 502
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737-300/400/500
MAINTENANCE MANUAL
NAV MODE NAV MODE (EXPANDED) (FULL)
PRESENCE OF SYMBOLS DEPENDS UPON MAP MODE SWITCHES SELECTED ON EFIS CONTROL PANEL
TEST MESSAGE "OK" OR "FAIL"
FAILURE MESSAGE CP - CONTROL PANEL DU - DISPLAY UNIT SG - SYMBOL GENERATOR
VALUE DEPENDS ON RANGE SELECTION ON EFIS CONTROL PANEL
SQUARE PATCHES ARE PRIMARY COLORS - RED, GREEN, AND BLUE
GREEN
BLUE
RED WXR TEST (M/R/Y/G) IF WXR ON
ANNUNCIATION INDICATES SOFTWARE VERSION
EXAMPLE OF NEXT WAYPOINT
FMC/IRS POSITION DIFFERENCE WILL BE DISPLAYED
DURING IRS BITE VIA FMC CDU IRS MAINT PAGES OR ISDU
MARKER BEACON SYMBOL APPEARS ONLY DURING SELF-TEST
EFIS BITE - Self-Test (EHSI Test Displays)
Figure 503 (Sheet 1)
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A 737-300/400/500MAINTENANCE MANUAL
ILS FREQ
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