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PAGE 24
CENTURY SERIES
Special Facilities
Century Vx Console Expansion
The Expansion option is available for all Vx models. Two Vx
consoles may be linked in a Master-Slave arrangement.
Alternatively, a Vx may be linked to a Yamaha PM series
model, or other console.
Included Facilities
The facilities included are:
- links for control of VCA Groups 1-8
- links for Left, Right and Mono audio mixes
- links for Scene Mute groups
- links for Solo PFL and AFL audio mixes
and Solo control
- mode selection: Master-Off-Slave for all functions
A further option is available with the standard Vx Expansion
system. This provides direct access to the Left, Right, Mono
and Aux 1-8 audio buses.
Hardware
Active electronics for the Expansion system are located inside
the console chassis. The 56-way EDAC Expansion connector
is located in the upper chassis cut-out behind Input 1. The
Mode switch is located immediately below the Expansion con-
nector. A link cable is required, and is available in two ver-
sions, Vx-to-Vx, and Vx-to-PM. Cable length permits consoles
to sit side by side or in an “L” arrangement.
When fitted, the 56-way Bus expansion option occupies the
second chassis cut-out position.
All audio interfacing is buffered at line level. There are no
chassis connections in the link cable.
The audio group mixes of the two consoles remain indepen-
dent.
(hardware set reference: Vx Expansion 76D2943-00 +
76D2977-00 July 96)
Linked Console Operation
Set up the two consoles as normal. Provide each console with
its own power supply and back-ups, then connect the link
cable. The Vx-to-Vx cable may be fitted either way around,
internal connections cross over inputs to outputs. The Vx-PM
cable has different connectors at each end.
Modes
The mode switch may be set with power on or off; the system
responds immediately.
Assign the Master console with the Mode switch on the Master
console set to MASTER. Assign the slave console with the
mode switch on the slave console set to SLAVE. (Note that if
both consoles are set to Master then the system rejects both
settings, both consoles respond as slaves until one is set to
Master mode.)
When independent operation of the Slave console is required ,
select the “OFF” mode.
VCA Operation - Groups
The Master console VCA group faders affect the levels of any
channels assigned to a VCA group on both consoles. VCA
group faders on the Slave console are inactive, while the VCA
unity gain indicators remain functional.
VCA Operation - Group Mutes
Between Vx consoles, the VCA Group Mute function of the
Master console controls all channels assigned to that VCA
Group. VCA Group Mutes on the Slave console are inactive.
Between a Vx and a PM console, there is no transfer VCA
Group Mute function.
Scene Mute Operation
The Master console Scene Mute Master ON-OFF switches (Vx
A-D, PM 1-4) are active for all channels assigned on both con-
soles. Master switches on the Slave console are inactive. In
response to a master mute, the indicator next to the appropriate
master mute on the slave console lights.
Between Vx and PM consoles, Scene Mutes 5 thru 8 are not
transferred. Some PM models allow independent Master-Slave
selection of Scene Mutes 1-4 and 5-8.
Solo Operation
The Solo meters and headphones of the Master console
respond to a Solo selection on either console. Solo meters and
headphones of the Slave console respond to a Solo selection on
the Slave console only.
Audio Linking
The Left Right and Mono audio circuits between consoles are
high level ground-free connections. The audio paths connect
onto the appropriate summing bus in the Master console and
are controlled by the Mode switch.
Outputs
The console expansion link connection includes the Left, Right
and Mono outputs. These are derived after the Matrix send
Pre/Post switches on the Output sections. The audio outputs
are not affected by the Mode switch.
Inputs
The console expansion link input paths to the Left, Right and
Mono summing buses are active ONLY when the console is in
MASTER mode. In Slave and Off modes the audio circuits are
gated off.