Compex Systems Professional Portable Mixing Console SONOSAX SX-S - Manual (Page 10)

The PFL selector of the AUX section allows modulation control before the AUX Master potentiometer.
5.4 EXT or Tape return
This stereo input is connected directly to the main outputs, before the MASTER Faders. This input is intended for
Tape Return or for interconnecting 2 SONOSAX SX-S. It connects with a Mini-Jack, and is adjusted by the TAPE
potentiometer. The PFL selector of the Tape section controls stereo modulation before the potentiometer.
5.5 Oscillator
Your SONOSAX SX-S includes an internal oscillator. The oscillator may be switched on as follows:
{
THROUGH THE OSC SWITCH: In this case, the oscillator signal goes into the right and left outputs, before
the Master Faders. With the faders at 0dB, the signal is at 0dB on the modulometer scale. It is possible to
regulate the faders for a -20dB level to check the azimuth of a tape recorder.
{
BY PLUGGING A MINI-JACK INTO THE OSC 0dB PLUG: In this case, the OSC switch must not be
switched on. With a cable fitted with a Mini-Jack and an XLR male plug, you may completely check your
SX-S by re-injecting the oscillator signal into the inputs.
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6. SX-S EXTENSION MODULE
view of the BLOC DIAGRAM (pdf file)
The SX-S Extension module is designed to interconnect with SONOSAX SX-S mixers Serial Number 16220 and
up. Circuit differences make it impossible or impractical to install this module in earlier mixers.
Introduction
The SX-S Extension module is especially designed for the film and broadcasting industries' needs and for any
other situation where extensive intercommunication and/or monitoring features are required.
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