B&K CT300 Changing Line Level Outputs From Fixed to Variable, Dedicated Source Inputs Local

20 Fixed Output / Variable Output

Changing Line Level Outputs From Fixed to Variable

An internal jumper is used to change the output between line level fixed or variable. This adjustment is typi- cally useful when using additional external amplification. Open the chassis and locate the blue jumper on the audio card for the Zone Line Outputs. The jumpers are in line with each channel on the back panel. The right position is fixed (F) line level, the left position is variable (V) volume control. When set to variable the volume level of the output is matched with the volume level of the receiver amplifier output. The jumper has the ability to change only the left (L) or only the right (R) side of each zone if desired. Note: When these out- puts are set to fixed, the last used source will continue to transmit audio only regardless of the zone being powered off. An external volume control is required for this application.

Fixed

Left

Variable

V L F

V R F

Fixed

Right

Variable

Dedicated Source Inputs (Local)

Dedicated source inputs are used for local sources that are dedicated only to that individual zone. Typically this feature is appropriate for sources that are physically located in the zone, such as DVD players or satellite boxes in bedrooms or dens. By running well shielded audio and video cable from the local source back to the CT Reciever, the user can utilize the auto-sense capability built into these inputs. The CT Reciever will immediately auto-detect the audio or video signal from a Dedicated input and switch that zone to its dedi- cated input. This feature is factory default set on, however it can be turned off to add an additional manually selectable input for that particular zone. Dedicated source inputs are identified on the back panel by the zone to which they are associated, i.e. IN A, IN B, etc. When sources are auto-detected, built in software stores the state the zone was in before the Dedicated input detected a signal, this way when the signal is switched off the zone is returned to its previous state.

Dedicated inputs require a second audio/video home run home from the zone back to the CT Receiver.

CT Receiver Dedicated Inputs (Back Panel)

IN	IN
D	A
IN	IN
E	B
IN	IN
F	C

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