Polycom Vortex EF2280 User Manual

● 1 = No Suppression
● 2 = Light Suppression
● 3 = Heavy Suppression
● 4 = Half Duplex
This command is a channel integer command. See
Section 6.3 and Section 6.2 for more information on this type
of command. The minimum and maximum values for this command are 1 and 4, respectively.
This command is saved to non-volatile memory only as part of a preset. The state of this command will be
restored after power-up only if a preset is saved and that preset is set to be the power-on preset.
Example Description Status Message
F01AECMODE13
Set AEC on input channel 1
to Heavy Suppression.
F01AECMODE13
F01AECMODE1?
Query AEC suppression
level on input channel 1.
F01AECMODE1x , where x is 1, 2, 3, or 4 depending on
the current setting of the AEC suppression level on
input channel 1.
F01AECMODE*1
Set AEC on input channels
1-8 to No Suppression.
F01AECMODE*àààààààà
F01AECMODE*ààààêêêê
Set AEC on input channels
1-4 to No Suppression and
AEC on input channels 5-8
to Half Duplex.
F01AECMODE*ààààêêêê
F01AECMODE*?
Query AEC suppression
level on input channels 1-8.
F01AECMODE*abcdefgh, where a-h are each à, å, ç,
or ê depending on the the current setting of the AEC
suppression levels on input channels 1-8.
8.4. AGC -- Enable or Disable Mic/Line Input Automatic Gain
Control
This command sets or queries the status of the Automatic Gain Control (AGC) algorithm on input channels 1-8 .
This command is a channel boolean command. See
Section 6.3 and Section 6.1 for more information on this type
of command.
This command is saved to non-volatile memory only as part of a preset. The state of this command will be
restored after power-up only if a preset is saved and that preset is set to be the power-on preset.
Example Description Status Message
F01AGC31
Enable AGC on input channel 3 .
F01AGC31
F01AGC10
Disable AGC on input channel 1 .
F01AGC10
F01AGC12
Toggle AGC state on input channel 1 .
F01AGC1x , where x is 0 or 1 depending on the current
state of the AGC on input channel 1 .
F01AGC2?
Query AGC state on input channel 2 .
F01AGC2x , where x is 0 or 1 depending on the current
state of the AGC on input channel 2 .
F01AGC*1
Enable AGC on input channels 1-8.
F01AGC*11111111
F01AGC*0
Disable AGC on input channels 1-8.
F01AGC*00000000

Polycom Vortex EF2280 Specifications

General

Rack capacity	1U
Frequency range	20 - 20000 Hz
Cancellation span	270 ms
Echo cancellation	65 dB
Phantom power	48 V
Nominal input level	0 dB
Output gain	-100 - 20 dB
Output impedance	33 Ω
Maximum output amplitude	23 dB
RS-232 ports	1
Audio connections	2 x 3.5mm
Parallel ports quantity	2
Input voltage	110 - 240 V
Output current	20 mA
Output voltage	5 V
Input frequency	47/63 Hz
Power consumption (typical)	30 W
Operating temperature (T-T)	0 - 40 °C

Weight and Dimensions

Weight	1800 g
Dimensions (WxDxH)	483 x 244 x 45 mm