MAINTENANCE MANUAL
IFR 4000
APPENDIX E
Page 4
Aug 1/04
ITEM DESCRIPTION
12. TONE Field Select Key
This Key moves the edit cursor to the MOD TONE Field.
The INCREMENT/SELECT Data Key or the DECREMENT/SELECT Data Key may be used to
slew the data.
13. M MOD Field Select Key
This Key moves the edit cursor to the M MOD (Master Modulation) Field and turns the
modulation OFF (0%) or ON (CAL).
The INCREMENT/SELECT Data Key or the DECREMENT/SELECT Data Key may be used to
slew the modulation depth.
14. SETUP Key
This Key displays the SETUP Menu.
15. G/S DDM UP Key
This Key slews the displayed Glideslope DDM Up.
Increments are either FIXED or VAR (Variable) depending on the DDM DEV STEP Field
setting.
16. LOC DDM LEFT Key
This Key slews the displayed Localizer DDM to the Left.
Increments are either FIXED or VAR (Variable) depending on the DDM DEV STEP Field
setting.
17. G/S DDM DOWN Key
This Key slews the displayed Glideslope DDM Down.
Increments are either FIXED or VAR (Variable) depending on the DDM DEV STEP Field
setting.
18. LOC DDM RIGHT Key
This Key slews the displayed Localizer DDM to the Right.
Increments are either FIXED or VAR (Variable) depending on the DDM DEV STEP Field
setting.
19. BACKLIGHT Key
This Key displays/exits the Backlight Adjust Field.
The INCREMENT/SELECT Data Key or the DECREMENT/SELECT Data Key may be used to
adjust the Backlight Intensity.
The 4000 powers up with the Backlight set to the setting of the previous session.
20. POWER Key
This Key powers the 4000 up and down.
21. POWER Indicator
This Indicator is illuminated when the 4000 is powered.
Summary of Contents for IFR 4000
Page 1: ...NAV COMM Test Set Maintenance Manual 1002 5600 4P0 IFR 4000...
Page 3: ...MAINTENANCE MANUAL IFR 4000 FOR QUALIFIED SERVICE PERSONNEL ONLY...
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Page 166: ...MAINTENANCE MANUAL IFR 4000 2 3 1 Page 6 Aug 1 04 STEP PROCEDURE 4 Remove the Fuse...
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