Volume Control (Codec Only) - Polycom Vortex Series Application Notes

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unmuted, repeat these steps for the appropriate inputs.
V
C
(C
O
)
OLUME
ONTROL
ODEC
NLY
To use the Vortex Device to perform volume control, first set the VSX 8000's Balanced Outputs to
F
. On the VSX 8000 User Interface, go to S
, A
S
, A
S
, and select
IXED
YSTEM
DMIN
ETTINGS
UDIO
ETTINGS
N
twice for Page 3. Select the F
option for Output Mode. Set the Level setting to 5.
EXT
IXED
As previously mentioned, the Volume Up / Down buttons on the Remote Control send a command
to execute Macro 183 and Macro 184. 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. Inside the
Vortex Device, Input A is routed to Output B and to R1. The Macros should control the cross-
point gains to Output B and to the R1 reference bus so that the room gain stays consistent for
increasing volume.
First, label Macro 183 as "Volume Up" and Macro 184 as "Volume Down":
Figure 9. Volume macro labels.
Next, insert the cross-point muting command for Input 1. Click Insert Command, Matrix, A ("From
VSX 8000"), B ("To Amplifier"), Gain, +, 1 dB:
12

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Vortex ef2241Vortex ef2280Vsx 8000 series

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