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Figure 14. Volume up and down macros.
V
C
(C
T
)
OLUME
ONTROL
ODEC AND
ELEPHONE
If the Vortex Device to be controlled has a built in telephone hybrid (such as the Vortex EF2241) or
if the Vortex Device is linked via the EFBus to another Vortex Device that does have a built in
telephone hybrid, the Volume Up / Down buttons of the VSX 8000 remote control can also control
that volume.
Here is an example of how to write a Volume Control Macro for a system that has the VSX 8000
connected to Input A of a Vortex Device and a built-in telephone hybrid on Input T. Inside the
Vortex Device, Input A and Input T are routed to Output B and to the reference R1. The Macros
should control the cross-point gains for Inputs A and T to Output B and to the R1 reference bus so
that the room gain stays as the volume is increased.
First, follow the directions given in the V
C
(C
O
) section to setup Macros 183
OLUME
ONTROL
ODEC
NLY
and 184. Next, assign the Input T to Output B cross-point at +1 dB and the Input T to Output R1
cross-point at +1 dB to Macro 183. If you are successful, you should see the following:
Figure 15. Adding the phone volume to the Volume up macro definition.
Finally, assign the Input T to Output B cross-point at -1 dB and the Input T to Output R1 cross-
point at -1 dB to Macro 183. If you are successful, you should see the following:
Figure 16. Adding the phone volume to the Volume up and down macro definitions.
15
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