AudioArts Engineering R-55 - Chapter 2 - Stereo Line Inputs; Module Overview

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R-55 / Mar 2003

STEREO LINE INPUT

Stereo Line Input (SL-55)

Module Overview

SL-55 modules are for stereo line input signals.

Each module accepts two stereo sources: A and B, switched at the top

of the module. Recessed front panel multi-turn trimpots adjust the left and

right levels. Output switches assign the selected source signal to any

combination of the console’s four outputs: two stereo outputs—PGM

(program) and AUD (audition); and two mono outputs—MONO and

PRE. NOTE: the module does not need to be ON to feed the PRE output.

A CUE switch places the module’s signal on the console’s cue bus,

where it may be heard on the meterbridge mounted cue speaker and/or as

an interrupt to the console operator’s headphones and/or control room

monitor speakers. The various cue interrupt modes are programmed at the

console’s CRS-55 (Control Room/Studio) module via PCB-mounted

dipswitch. See page 4-3.

Level is set by a long-throw fader.

Channel ON (START) and OFF (STOP) switches are at the bottom of

the module. In addition to being controlled remotely, these can also be

programmed (via internal PCB-mounted dipswitch) to perform a variety

of functions, including starting and stopping external source machines,

activating control room and studio mutes, external tallies, and timer

restart. The STOP switch’s LED can be controlled by an external source

machine to act as a “ready” indicator.

All audio and control input and output signals are made via the multi-

pin DB-25 connector mounted on the top of the module and located

underneath the hinged meterbridge.

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