Comtech EF Data CMR-6000 Manual - Manual (Page 54)

Digicast Media Router S2 Receiver CMR-6000 Revision 1
Device Management via User Interfaces MN-CMR6000-IOM
4-24
DVB-S2 – 8PSK 2 to 32 Msps
Polarity
The configured polarity provides the voltage supplied to the LNB or switch. The valid selections for the
CMR-6000 are:
13 VDC for vertical polarization
18 VDC for horizontal polarization
Off if LNB voltage is not required
The CMR-6000 is capable of providing up to 600mA of current in either mode of operation. It is
recommended, that if the LNB voltage is not required, either polarity be set to ‘Off’ or that a DC block be
installed.
Spectral Inversion
There are four supported modes of spectral inversion:
On – forces the tuner to stay with spectral inversion. The tuner will not check for spectral inversion
automatically
Off – forces the tuner to stay without spectral inversion. The tuner will not check for spectral inversion
automatically
On Both – tries spectral inversion first and then attempts to automatically check spectral inversion
periodically – recommended default configuration
Off Both – tries non-spectral inversion first and then attempts to automatically check spectral inversion
periodically
LNB 22 KHz Tone
Enables or disables the LNB 22 KHz tone to the LNB for remote LNB and switch control.
Pilot
Enables or disables the Pilot for DVB-S2 mode of operation only.
Roll Off
The expected filter roll off of the carrier the receiver should be looking at. This parameter only works for
DVB-S2 mode, since DVB-S mode uses a fixed roll off of 35%.
The valid roll offs in DVB-S2 mode are:
20%
25%
35%
DiSEqC
Enables sending and receiving DiSEqC commands as are supported in DiSEqC mode 1.2. The valid
configuration settings for DiSEqC mode are:
Off
Mode A
Mode B
Mode C
Mode D