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Numeric Measurement Modes
R&S
®
EVSG1000
67
User Manual 1178.6227.02 ─ 06
Figure 4-10: ILS LF Input Main view
DDM 90-150
Difference in depth of modulation (DDM) between 90
Hz and 150
Hz AM signal (m
90
Hz
– m
150
Hz
)
Note:
The DDM value is also displayed graphically as a bargraph for quick evaluation.
A green DDM value indicates a valid ILS signal has been determined.
Remote command:
ILS Localizer and ILS Glidepath (GP) Modes