Front panel channel selection push buttons with active channel LED indicators. - The audio “MUTE” function allows the user to turn off all audio. - Front panel Enable switch can be configured to provide a safety lock to the front panel selection push buttons. - Audio/signal switching via mechanical latching sealed relays utilizing 2-form-C bifurcated - crossbar silver alloy with gold overlay contacts. - Internal silence sensor with front . . .

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Front panel channel selection push buttons with active channel LED indicators.
– The audio “MUTE” function allows the user to turn off all audio.
– Front panel Enable switch can be configured to provide a safety lock to the front panel selection push buttons.
– Audio/signal switching via mechanical latching sealed relays utilizing 2-form-C bifurcated – crossbar silver alloy with gold overlay contacts.
– Internal silence sensor with front panel LED indicator, SPST silence sensor alarm relay with adjustable alarm delay and restore duration.
– Eight input GPI port (PIP or Remote Control) with LED indicator.
– Remote control via contact closures, 5-volt TTL/CMOS logic levels and/or the multi-drop RS-232 serial port.
– Four open collector outputs for remote channel status.
– Removable euro-block screw terminal connectors are used for audio/signal I/O and remote control connections. Necessary mating plugs are supplied.
– Power-up selection of inputs to outputs, mute or last source selected.
– If power is lost, the last selected channel is passed to the output.
– Fully RFI proofed.
– Surge protected internal power supply, universal switching power supply with domestic connector supplied. International connectors optional.
– Up to three units may be mounted on the optional RA-1 rack shelf. Desk top and wall mounting is also possible.

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