Axel Oxygen 3 Operations Instructions download pdf (Page 12)

Oxygen 7Oxygen 7 - MONO MODULE

Pag. 12

7 MONO MODULE

7.1 MONO MODULE - REMOTE CONNECTOR

The 9 pin D-Type plug remote connector provides the inputs and outputs for the following functions :

• Remote Start / Stop for equipment connected to Input A

• Remote Start / Stop for equipment connected to Input B

• External Talkback Control

• Remote control for the channel On/Off

• External Duck Control

A 6 VDC ± 50 mV current-limited output is also provided for use with the remote control inputs.

7.1.1 CHANNEL On/Off

A pushbutton needs to be connected to the pins 7 and 6 of the interface (it makes + 6VDC the pin 7). Using the

pushbutton, the announcer can remotely switch On/Off the module (and therefore its microphone…).

7.1.2 START A and B

When the channel is active, the two optocouplers applied between pins 9 and 8 or between pins 5 and 4 will

close, depending on the selected input: A or B. They can be used to activate an external led (f.i. Mic On red) or

an external opto coupler. Start A and Start B commands are always ‘stable’. NEVER CONNECT 110-230

VOLT LAMPS DIRECTLY TO THE THESE SIGNALLING OUTPUTS ! In addition to the localised 'mic-on'

signalling, there is also a master signalling ouput in the Power Supply Unit. Two relays offer the option of

driving external red light ‘On Air’ indicators in the studio (Ref to POWER SUPPLY Chapter). Two jumpers per

channel select which relay will be activated (ref to § 7.7 for jumper settings). Refer also to Sections 7.1.7 and

7.7

Please, consider than max current allowed on optocouplers is 10 mA (nominal: 5 mA). Apply the provided + 6V

tension through a 560 ΩΩ carbon resistor in order to preserve optocouplers from extra currents.

7.1.3 TALKBACK enable

A pushbutton needs to be connected to the pins 6 and 2 of the interface (it makes + 6VDC the pin 2). Using the

pushbutton, the announcer can remotely switch On/Off the Talkback audio path (which is routed toward the

Studio or the Control Room via the two Jumpers in the Jumper bay (ref to § 7.7 for jumper settings) and

settings on the Master Module. NOTE: during the TB announcements, the channel is not automatically

switched off !! Refer also to § 7.1.7)

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Axel Oxygen 3 Operations Instructions Page 12