MAINTENANCE MANUAL
IFR 4000
2-2-3
Page 29
Aug 1/04
STEP PROCEDURE
12. Set the DEV STEP Field to
VAR
.
13. Set the G/S DDM Field to the following settings and verify readings on the
Modulation Analyzer:
G/S DDM
READING
0.176
0.176 (
±
0.0048 DDM +
±
3% of setting)
0.177
0.177 (
±
0.0048 DDM +
±
3% of setting)
0.178
0.178 (
±
0.0048 DDM +
±
3% of setting)
0.179
0.179 (
±
0.0048 DDM +
±
3% of setting)
14. Set the Test Set as follows:
FIELD
SETTING
DEV STEP
FIXED
G/S DDM
0.000 CENTER
PHASE ACCURACY
15. Set the 90/150 Hz Field to the following settings and verify readings on the
Modulation Analyzer:
90/150 Hz
READING
0
0
°
(
±
0.5
°
)
5
-5
°
(
±
0.5
°
)
10
-10
°
(
±
0.5
°
)
20
-20
°
(
±
0.5
°
)
40
-40
°
(
±
0.5
°
)
80
40
°
(
±
0.5
°
)
120
0
°
(
±
0.5
°
)
16. Set the 90/150 Hz Field to
0
.
17. Disconnect the Modulation Analyzer from the ANT Connector.
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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