Check Surrounding Equipment - Polycom Vortex EF2241 Reference Manual

Presets and
Multiple Vortex
Devices
C S
HECK URROUNDING
Pick a Standard
Signal Level
Check Levels to
the Codec
© Polycom, Inc.
P P
ROGRAM ARAMETERS
Input Gains
Manual Threshold
Mute
Noise Cancellation
Noise Cancellation Level
Phantom Power
O C
UTPUT HANNELS
Mute
NOM Attenuation
Output Gain
P 0 is preconfigured for a system with multiple Vortex devices. In Preset 0,
RESET
microphones are bussed out to other units on the W Bus. Microphones are also input
into each device on the W Bus (I
If you have multiple devices in your system, save settings to a user preset (Presets 16-
47) on each device. Saving a preset will only save the preset on that particular unit.
Also, remember to set the P
your settings to otherwise the device will revert back to Preset 0 (factory default) if
power is lost.
E
QUIPMENT
Now that the physical connections to the EF2241 are set up, it may be necessary to
check the surrounding equipment to make sure levels are set correctly. The following
suggestions may be helpful in integrating the EF2241 into your system:
A standard nominal signal level should be used throughout the audio system. Any
equipment that does not operate at this standard level should be compensated for as
close to the piece of equipment as possible. A 0 dB nominal level is a good standard
signal level. For example, a consumer VCR will probably generate a -8 dBu level.
As soon as the VCR signal arrives at an input with some gain control, the input gain
should be adjusted so that you get a 0 dB level, i.e. adding 8 dB of gain.
Configure the matrix mixer output to the codec input.
gain of the matrix mixer should be set to match the nominal input level of the codec.
For example, if the codec accepts -10 dBV (-8 dBu) inputs, 8 dB of attenuation should
be applied at the matrix mixer output to the codec.
13
F
ACTORY
Mic Mode + 15 dB = 48 dB for Inputs 1-4
0 dB for Inputs A-D
60 dB
Off
On
10 dB
On
Off
On for Outputs 1-4
On for Outputs A-D
0 dB
WM0 in the Matrix).
NPUT
O P to the User Preset that you have saved
OWER N RESET
V
ORTEX
I
NSTALLATION
D P V
EFAULT RESET ALUE
The output
EF2241 Reference Manual