DigiDesign D-Control Specifications download pdf (Page 18)

PRE Guide14

To connect line level and instrument level sources:

1 Press the Channel Select switch for the

Line/Inst Input you will be using.

2 Change the input source to Line or Inst by

pressing Source one or more times.

3 Plug a line level source (such as a synth, out-

put from your mixer, or a microphone or guitar

that has been amplified by an outboard preamp)

or a DI (direct instrument) source into a

Line/Inst Input on the front or back of PRE.

These inputs accept balanced/unbalanced TRS

connectors.

4 Repeat these steps for additional connections.

Using External Devices

PRE can make dedicated connections to external

analog devices (such as compressors and equal-

izers) before committing the signal to disk in

Pro Tools. You can send and return signals to

these devices, using PRE’s back panel Send and

Return jacks.

To connect an external analog device to your

system:

1 Connect the Send jack of one PRE channel to

an input of the external signal processor.

2 Connect the output of the external signal pro-

cessor to the Return jack of the same PRE

channel.

3 Press the Channel Select switch for the

Send/Return channel you will be using.

4 Press Insert.

Repeat these steps for additional connections.

Calibrating PRE and Other

Devices

Before you use PRE, you may want to calibrate

its output level (as well as the input and output

levels of other devices) to the level of your mix-

ing console.

The output trims are factory-calibrated so that

the clip point of the PRE output amplifier

matches the factory-set clip point of HD I/O and

192 I/O analog input. The PRE’s output level is

–6 dBu below its maximum output of +28 dBu

(+22 dBu). If you do not intend to use an HD I/O

or 192 I/O, you should turn the trims all the way

up (clockwise) to allow for maximum signal out-

put (+28 dBu) and maximum performance.

If using line inputs with balanced line level

devices, be sure to use balanced to balanced

cables to maximize performance.

Both the Send and Return jacks are balanced

1/4-inch jacks, with Tip wired hot (or “+”),

Ring cold (“–”), and Sleeve ground. Insert

send levels are post output trim.

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DigiDesign D-Control Specifications Page 18

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