Kathrein UFS 922 si - Manual (Page 137)

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Separated:
The second tuner input of the receiver, identified at the
rear of the unit by “LNB2 in”, receives its own signal input
(i.e. there is a direct connection between the antenna
socket and tuner input 2). See example screenshot
on the right.
Tuner Configuration
Before you start configuring the tuner for your type of reception system you must first make both the “Tuner 2
Connection type” and “Tuner 2 Signal Configuration” settings. Once you have made these settings, continue to follow
the directions for your type of reception.
Tuner 2 Connection type
Select the type of connection for tuner 2 here. The currently selected setting is shown graphically in the connection
example at the top left of the screen. Either:
Tuner 2 Signal Configuration (only for “Separated” connection type)
Select the signal configuration for tuner 2 here. The currently selected setting is shown graphically in the connection
example at the top left of the screen. Either:
Loopthrough (loop-through mode):
The second tuner input of the receiver, identified at the
rear of the unit by “LNB2 in”, receives the signal currently
looped through from the tuner 1 looped through output.
In this case, the second tuner can only receive the
channel level currently being received by the first tuner.
See example screenshot on the right.
Same with Tuner 1:
Both tuners are connected to the same signal source
(same cable from the LNB). See example screenshot on
the right.