Cisco Cisco D9858 Advanced Receiver Transcoder インストールガイド

 

164 

OL-31087-01 

The following displays the Transport Default C/N Margin Relationship: 

Transport Mute

Transport Restore

0.1

0.0

Transport Muted

Transport Restored

Transport 
C/N Margin

 

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 unit 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 checked 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 unit uses these 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 checked for these 
settings to be active. 
The following displays the Audio Default C/N Margin Relationship: 

Audio Mute

Audio Restore

0.1

0.0

Audio Muted

Audio Restored

Audio 
C/N Margin

 

7  Click Apply.