Specifications

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SS 4.2 Installation and Operation Manual
DESCRIPTION
DESCRIPTION
The Broadcast Tools® SS 4.2 provides matrix audio switching of 4 stereo inputs to
2 stereo plus 2 mono outputs. Matrix switching allows any or all inputs to be
assigned to any or all outputs. The SS 4.2 may be controlled via front panel switch-
es, contact closures, 5-volt TTL/CMOS logic and/or the multi-drop RS-232 serial
port. Installation is simplified with removable screw terminals (Euro).
FEATURES
• Separate input selection pushbuttons are provided for each output channel.
• Three switching modes. Interlock, overlap and mix.
• Internal audio activity/silence sensors monitor both output channels. Each is
equipped with front panel LED indicators; spst alarm relays and adjustable
alarm delay and restore duration. Sensitivity is factory set at –36db.
• Power-up selection of inputs to outputs, mute or last source selected.
• Stereo headphone amplifier with front panel output selection switch, headphone
jack and level control.
• Most configuration options via rear panel dipswitches.
• 16 input GPI port (RMT or PIP) with LED indicator.
• 4 open collector channel status outputs or programmable via burst commands.
• 4 spst relay outputs with multiplex function on output two. Programmable via
burst commands.
• Multi-turn input and output level controls.
• Electronically balanced stereo inputs.
• Electronically balanced stereo and monaural outputs.
• Low noise and distortion circuitry.
• Remote control of front panel functions and status.
• Multi-drop RS-232 serial port with data activity LED.
• Multiple units may be cascaded to expand inputs.
• Depluggable screw (EURO) terminals for ALL I/O connections.