Cisco Systems 4028650000000 installation and operation guide DVB-S/DVB-S2

Selection	Options	Description	Default
DVB-S/DVB-S2	-5.0 to 20.0	This is used to set the Audio channel	0.0
Audio Mute	dB	Cutoff and Restore C/N margin values
		(limits) to mute audio when the signal
		quality is severely degraded when using
		DVB-S or DVB-S2 modulation.
		The Cut Off is the lower limit for the audio
		C/N margin setting. Audio will be muted
		when the C/N margin is below the Cutoff
		setting for a nominal delay of 4 seconds.
		The delay is between the time the
		condition is first detected and the time the
		transport is muted.
DVB-S/DVB-S2	-5.0 to 20.0	This is used to set the Audio channel	0.1
Audio Restore	dB	Cutoff and Restore C/N margin values
		(limits) to mute audio when the signal
		quality is severely degraded when using
		DVB-S or DVB-S2 modulation.
		The Restore is the upper limit for the
		audio C/N margin setting. Audio will be
		un-muted (e.g., restored) when the C/N
		margin rises above the Restore setting for
		a nominal delay of 8 seconds. The delay is
		between the time the condition is first
		detected and the time the transport is
		restored.

The following displays the transport and audio default C/N Margin relationships: Transport Default C/N Margin Relationship

Transport C/N Margin

0.0

0.1

Transport Muted

Transport Mute

Transport Restore

Transport Restored

4035197 Rev C D9865 Satellite Receiver Installation and Operation Guide 4-65