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Keysight EXG and MXG X-Series Signal Generators User’s Guide
139
Avionics VOR/ILS (Option 302)
Using ILS Localizer Softkeys
Example of Setting All ILS Localizer Parameters
1.
Press Preset to place the signal generator in a known preset state.
2.
Set the ILS Localizer carrier frequency.
a.
Press Aux Fctn > Avionics > ILS Localizer
b.
Press Carrier Freq Index
(Default value is 1 and corresponds to 108.10 MHz
carrier frequency.)
c.
(Optional) Select a value from 1 to 40 and press Enter
to change to a different carrier frequency.
3.
Set the ILS Localizer left frequency.
a.
Press Left/Right
b.
Press Left Frequency
(Default value is 90 Hz.)
c.
(Optional) Select a <value> from 0 Hz to 6 MHz.
4.
Set the ILS Localizer right frequency.
a.
Press Right Frequency
(Default value is 150 Hz.)
b.
(Optional) Select a <value> from 0 Hz to 10 MHz.
5.
Set the ILS Localizer phase of the right signal relative to the left.
a.
Press Left/Right Phase
(Default value is 0.00 deg.)
b.
(Optional) Select a <value> from 0.00 deg to 360 deg and press
Enter.
6.
Set the ILS Localizer DDM polarity to fly left or fly right.
a.
Press Return
b.
Press DDM/SDM
c.
Press Fly Left | Right
(Default selection is Left.)
d.
(Optional) Select either Left | Right
7.
Set the ILS Localizer DDM value.
a.
Press DDM
(Default value is 0.0000)
b.
Enter a value that is within the range of the current SDM value.
Typically the SDM default value provides sufficient range (–0.40 to
0.40) for most applications.