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Polycom Vortex EF2280 Reference Manual

Polycom Vortex EF2280
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LCD MENU STRUCTURE
VORTEX EF2280 Reference Manual 20 Technical Support: 800.765.9266
at a particular level, use the DOWN button. To scroll forward through menu
items at a particular level, use the U
P button.
To adjust a parameter, first locate the parameter by scrolling to the appropri-
ate menu (with combinations of the U
P/DOWN and ENTER buttons). The display
will show the parameter field and the parameter value. To change the param-
eter, the parameter must be flashing. To make the p arameter flash (ass uming
the front panel is not locked) press E
NTER. Once the parameter is flashing, use
the U
P and DOWN buttons to adjust the parameter value. The parameter is
instantly updated while it is being adjusted — you should hear changes as the
parameter is changing. RS-232 control strings are also sent via the RS-232
port so your remote control device is instantaneously updated as well. Press
E
NTER to select and store the parameter value or press ESC to cancel the
selected value and return to the old value. Pressing H
OME has the effect of
pressing E
SC then HOME, so the selected value will be cancelled and the menu
will return to the top of the menu tree.
Parameters that toggle or select among a list of options will wrap around
when you reach the end, but parameters that adjust numeric values will not
wrap around once the maximum or minimum value is reached. While adjust-
ing a parameter, the U
P/DOWN button must be held down briefly before the
repeat rate increases.

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Polycom Vortex EF2280 Specifications

General IconGeneral
Rack capacity1U
Frequency range20 - 20000 Hz
Cancellation span270 ms
Echo cancellation65 dB
Phantom power48 V
Nominal input level0 dB
Output gain-100 - 20 dB
Output impedance33 Ω
Maximum output amplitude23 dB
RS-232 ports1
Audio connections2 x 3.5mm
Parallel ports quantity2
Input voltage110 - 240 V
Output current20 mA
Output voltage5 V
Input frequency47/63 Hz
Power consumption (typical)30 W
Operating temperature (T-T)0 - 40 °C
Weight and Dimensions IconWeight and Dimensions
Weight1800 g
Dimensions (WxDxH)483 x 244 x 45 mm

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