Polycom ViewStation EX4000 User Manual
Page 26

Integrators’ Reference Manual for ViewStation EX, ViewStation FX, and VS4000
16
www.polycom.com
The following table gives camera and display information.
The following table gives electrical specifications for the audio
inputs and outputs.
Table 2-7. Cameras and Displays
Parameter
ViewStation EX and FX
VS4000
Main camera
Integrated Sony EVI-10
External Sony
EVI-D10
Main camera
features
65° field of view
12 x Zoom; f=4.2 to 42 mm
F=1.85 to 2.9 mm
Auto focus
Automatic white balance
Main camera presets
10
Far camera presets
10
Tracking
Voice tracking
Track to presets
Auto-PIP system
Auto-on, auto-swap, auto-off
Table 2-8. Audio Input/Output Electrical Characteristics
Parameter
Value/format
Input
Impedance
10 K
Ω
minimum
Signal amplitude
1.0 V
pp
full-scale (expected)
Coupling
AC
Output
Impedance
800
Ω
maximum
Signal amplitude
1.0 V
pp
full-scale (typical)
Coupling
AC