Features:
- Remote control panels, standard
- On board power regulator. 
- Looped thru- video input.
- Active balanced Audio +24dBm in/out.
- Sync tip clamped video input.
  1V p-p VIDEO/4V p-p pulse.
- Vertical interval switching.
- Reliable, ease of  maintenance.

TYPICAL CONFIGURATIONS:
501 Video signal level, NTSC/PAL band width.
521 Audio/SMPTE time code, single-level.
523 Audio/SMPTE time code, multi-level.
530 3RS232/RS422 serial command assignment,
      single or multi-level.
533 Video/Audio, single level each, NTSC/PAL 
       band width.
551 Video only, multilevel, NTSC/PAL band width.
553 Video/Audio/Serial Command, multi-level, 
       NTSC/PAL band width.
554 Video/Audio/Serial Command, multi-level,
       30MHz band width.

Description:
500 series switcher with it's unique 
module design, meets a wide variety
of system design requirements.
Typical configurations are shown, but 
custom requirements can be achieved 
by mixing and matching video/audio/relay
modules and three control schemes.

MATRIX MODULES:
* Video module - 5x2 matrix-NTSC/PAL and HDTV band width.
* Audio module - 5x2 matrix-audio and time code band width.
* Realy module - 5x1, 4PDT.
* Realy module -10x1/5x2, DPST

CONTROLS:
* Illuminated push-button control panel with ledgedable cap.
* X-Y control with thumbwheel switch and LED numerical display.
* RS232/RS422 serial communication port.