Drawmer DL120 Manual do operador - Página 5

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DL221 OPERATORS MANUAL

The DL221 is designed for standard 19" rack mounting and occupies 1U of rack space.

Avoid mounting the unit directly above power amplifiers or power supplies that radiate

significant amounts of heat. Fibre or plastic washers may be used to prevent the front

panel becoming marked by the mounting bolts.

INPUTS and OUTPUTS:

S/C INSERT:

The unit will have been supplied with a power cable suitable for domestic power outlets

in your country. For your own safety it is important that you use this cable. The unit

should always be connected to the mains supply earth using this cable

INSTALLATION

Both the input and output XLRs may be used either balanced

or unbalanced, the wiring convention being: pin 1 Ground,

pin 2 Hot and pin 3 Cold. For use with unbalanced systems,

the Cold pin (3) must be grounded at both input and output

XLRs.

If earth loop hum problems are encountered, don't

disconnect the mains earth but instead, try disconnecting the

signal screen on the cables connecting the DL221 to the

patchbay. If such measures are necessary, balanced

operation is recommended.

The side-chain insert point is configured as a stereo jack

socket wired tip return, ring send. This point is unbalanced

and would normally be connected to a normalised or semi-

normalised pair of patchbay contacts.

If earth loop problems are encountered, do not disconnect

the mains earth but instead, try disconnecting the output

signal screen at one end of the cables connecting the DL221

to the patchbay. If such measures are necessary, balanced

operation is recommended.