Cisco D9824 Installation And Configuration Manual page 191

The following displays the Transport Default C/N Margin Relationship:
5 The Audio Mute for both DVB-S C/N Margin (dB) and DVB-S2 C/N Margin
(dB) sets the DVB-S and DVB-S2 Carrier to Noise margins, in dB, below the
audio outputs that will be muted. The receiver uses these thresholds to
determine when to mute the audio in the event of a noisy, poor, or loss of signal
condition. The adjustable operating range is -30.0 to 30.0 dB. This setting must be
below the respective Restore value. The default setting is 0.0.
Note: The Enable Threshold Muting check box must be selected for these
settings to be active.
6 The Audio Restore for both DVB-S C/N Margin (dB) and DVB-S2 C/N Margin
(dB) sets the DVB-S and DVB-S2 Carrier to Noise margins, in dB, above the
audio outputs that will be restored. The receiver uses t hese thresholds to
determine when to restore the audio after it has been muted. The adjustable
operating range is from -30.0 to 30.0 dB. This setting must be below the
respective Mute value. The default setting is 0.1.
Note: The Enable Threshold Muting check box must be selected for these
settings to be active.
The following displays the Audio Default C/N Margin Relationship:
7 Click Apply.
Setting up Input Information
169