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HD Flash 4
TM
Operating Instructions
RS232 Commands
Switching Command
CCx (x=video/audio input [1..4])
Status Command
CCw
Since both commands are of a defined length, no terminator is required
Both commands give the following respose.
Uuyn
y – currently selected video/audio input [1..4]
n – firmware version number (the two digits which may be required by the factory for trou-
bleshooting)
A response will be returned for all switching events, whether from the front panel, IR or
RS232 port so that the controller is always aware of the current status of the Flash 4
TM
.
Technical Specifications
Flash 4
TM
Flash Matrix A/V Switcher
Inputs:
4 input groups, each consisting of (3) component YPrPb analog RCA jacks, (2) stereo analog
audio RCA jacks, and (1) PCM digital audio RCA jack.
Video:
Three RCA-type color-coded input jacks (Y, Pr, Pb) 1V p-p @ 75 ohms, terminated
Composite video sync on "Y" input
Audio:
Two RCA-type color-coded input jacks (L, R)
High impedance (1K ohm) line level inputs
Digital Audio:
One RCA-type color-coded input jack
Standard PCM digital format
