Opus Technologies LD 1.0, Installation And User Manual

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4.4 Rear panel and adjustments
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13. INPUT 3 Combo audio input: microphone or line. This input allows you to connect external audio inputs from a
line level source (mixer, pre-amp, etc.) or from a microphone. The Combo connector accepts an XLR or a 6.35 jack.
14. Push button for line or microphone communication of the INPUT 1 input. Switch to commute the input
according to the source (microphone or line).
15. Push button for line or microphone communication of the INPUT 2 input. Switch allowing to commute the input
according to the source (microphone or line).
16. INPUT 2 Phoenix type terminal block: microphone or line. This terminal block input is used to connect external
audio inputs from a line level source (mixer, preamp, etc.) or from a microphone.
17. INPUT 1 Phoenix type terminal block: 100V priority.
This terminal block input allows you to connect an external
audio input from a 100V sound system, the audio is directly recovered from the speaker’s line.
18. Slave IN input . This input is used to connect a 0° or 90° output (Master/Slave) from another LD series loop
amplifier.
19. 0° or 90° OUT output to slave amplifier.
These outputs are used to connect the Master amplifier to a Slave loop
amplifier from the LD range.
20. Location of the serial number label.
21. Mains power cord connection
. Connects the loop amplifier to the power supply.
22. Phantom power selection switch. Allows you to send or not voltage to supply a microphone connected to INPUT
1 and/or INPUT 2.
23. NO/NC fault relay. Allows the system status information to be sent via a relay.
24. Loop output on Phoenix type terminal block. Allows to connect the loop wire to the amplifier.
Rear panel - Figure5
LD Series | Installation and user manual
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