Axel Oxygen 3 Operations Instructions download pdf (Page 42)

Oxygen 7Oxygen 7 - TELCO MODULE

Pag. 42

9.2 INTRODUCTION

This module controls the connection to the telephone external hybrid unit

and has EQ, coarse and fine gain control, PFL and Master, Sub1 and Sub

2 output select. It has only one mono input, the other XLR connector being

used for the output (mix minus) to the telephone hybrid. The presenter can

talk off-air with a caller whilst the programme is being output through the

TB to STUDIO audio path.

All Telco modules are fitted with a high pass filter with variable frequency.

A three band parametric equaliser is also available, where the centre band

can be swept from 300 Hz to 4.8 kHz.

The Auxiliary (AUX) send may be switched pre or post fade.

The signal is routed via a pan control and the three stereo routing

switches to either the main stereo programme (Master) or the two stereo

su/jointfilesconvert/268126/bgroups (Sub 1 and Sub 2)

The whole signal path throughout the module is controlled by Vca circuits.

The DUCK switch allows the module to be attenuated from the master

ducker circuits. The module has a jumper fitted to make it a source for the

automatic ducker circuits.

The PFL switch makes the pre-fade signal available for monitoring and

can be programmed to mute or selectively lower the main audio path.

A remote interface is provided, which allows remote control of connected

Telephone Hybrid units.

Communication between caller and engineer is easily accomplished by

activating the PFL / Private switch in the Telco module.

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Axel Oxygen 3 Operations Instructions Page 42