347
PRO6 Live Audio System
Owner’s Manual
Appendix E: I/O Modules
There are three module slots (to the right of the rear panel of the PRO6) into which any
combination of the following modules can be fitted:
• DL441 analogue input module; see “DL441 analogue input module” on page 347.
• DL442 analogue output module; see “DL442 analogue output module” on page 348.
• DL443 analogue insert input/output module; see “DL443 analogue Jack I/O module”
on page 348.
• DL452 digital in/out (AES/EBU) module; see “DL452 digital I/O module” on
page 349.
Details of how to replace a module can be found in Appendix D “Replacing An I/O
Module”.
DL441 analogue input module
The DL441 analogue input module provides eight balanced line (or mic) inputs. Its rear
panel houses eight input XLRs, each with a check and a 48V LED.
The line inputs may be used as simple unity gain inputs to the PRO6, such as insert
returns. However, there is also provision for gain adjustment in 5dB steps from -5dB to
+40dB. This allows very high signal levels to enter the system and means that the
same hardware can be used for mic inputs, if required by the system.
When used for microphones the input can also provide 48-volt phantom power.
1 Eight XLR analogue mic/line inputs.
2 Green check LED illuminates to show
when a channel is selected on a console.
These are controlled by the console and are
used as a visual aid to locate specific
connectors.
3 Red 48V LED illuminates to show that 48V
phantom voltage is on.
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