Appendix B. Specifications
Hs 000 System Administrator’s Handbook
152
Video
Video
VCR and Camera 3 have dual inputs (S-Video and Composite). All other
video inputs can be configured for S-Video or Composite video formats in
AppsView and physically connected with cable adapters (S-Video to
Composite).
All inputs, including VCR and Camera 3, must be configured for S-Video
or Composite in AppsView.
Video inputs
The expansion Box accommodates five video inputs: four camera and one
VCR. Standard S-Video connectors are provided for all five video inputs
for the VCR and for the document stand camera (typically Camera 3).
Composite or S-Video signals are acceptable input sources for Camera 3
and for the VCR. The system can be configured for NTSC or PAL video
formats—the expansion box accepts either video format.
Video input specifications
Standard: 75-ohm, PAL/NTSC video signals, S-Video/composite
Inputs to the expansion unit must operate at standard video levels:
■
voltage level: 1 VP-P (volts peak-to-peak)
■
input impedance: 75 ohms
Scan converted video output
■
VGA video is converted to NTSC format and overlaid with scaled
live video for systems used in the USA, Canada, or Japan.
