Measuring System Performance: Modulation Measurements
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Fig. 6-10 The MODULATION Audio Menu
Use icons from the Audio screen as follows:
Enter the Amplifier/Low-Pass submenu and return to the main
Audio sub-menu when appropriate.
Enable or disable 13 dB amplifier
Enable or disable 50 MHz low-pass filter (icon shows
disabled)
Increase speaker volume
Decrease speaker volume
Switch between FM (audio of video channels and some reverse
ingress) and AM (most reverse ingress such as CB and Ham)
demodulation
Enable Audio Demodulation (shown disabled)
Enable Video Modulation (shown enabled). Notice the AM/FM
indicator in the center of the screen (enabled selection is
darkened).
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