Specifications

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5
SS 4x4 Installation and Operation Manual
DESCRIPTION
Function Description
Front Panel
The SS 4.4 is a 1-rack unit device (19”w x 1.75”h x 6.0”d). The front panel supports
19 selection switches, 24 LED indicators, headphone, powered monitor and LED
VU meter selection switch, ¼” T/R/S jack and level controls.
Rear Panel
Installation is simplified with plug-in euroblock screw terminals. The rear panel
hosts the connectors, input/output level trimmers, “OPTIONS” Dip-switch, multi-
drop RS-232 modular connector and 5-pin DIN universal power supply connector.
Switches
The front panel of the SS 4.4 contains separate input selection pushbuttons for each
of the four output channels.
A mute switch is provided to turn off each audio channel, while the macro switch
allows the user to program or select up to 16 macros.
A front panel monitor selection switch, level controls and led indicators are fur-
nished for powered monitors, LED VU meters and headphone monitoring of the four
output channels.
The input channels may be programmed for the following operations:
• Overlap - Overlap one audio source with another while the button for the sec-
ond source is held down. Both channels will be fed to the output until the sec-
ond button is released, at which time the first audio source will be switched off.
• Mix - May connect more than one input at a time to any given output - Push
once to connect input, then hold the MUTE switch and press the selected input
again to disconnect.
• Interlock - Connecting one input to any output disconnects all other inputs from
that output
LED Indicators
The SS 4.4’s front panel LED indicators provide operational display of the follow-
ing information:
• Led indicators on each input channel switch.
• Four “MON” led’s displaying which output channel is currently being moni-
tored.
• The “MACRO” led indicator will flicker when activated.
• The “MUTE” indicator is lit when all channels are off.
• The “ACT” led indicating audio activity for output channel one. Trip level set
at –25db.
• One “SS” led indicating when output ONE has a silence sensor alarm.
• “PIP” (Triggers) active. Flickers, indicating any change with any of the 16 trig-
ger inputs.
• “PWR” led which indicates valid power and will flash when the serial RS-232
port is receiving or transmitting data.