DigiDesign D-Control Specifications download pdf (Page 11)

Chapter 2: Hardware Overview and Stand-Alone Operation 7

MIDI Chan (Channel) Switch and LED

This switch activates MIDI Channel selection

mode. When lit, the MIDI Chan LED indicates

PRE is in MIDI Channel mode, and the PRE’s

MIDI channel can be changed with the

Gain/Param control.

Gain/Param Display

This three-character, seven-segment LED dis-

plays the input gain for the currently selected

PRE channel, or the PRE’s MIDI channel.

This display can also show the current firmware

version of PRE.

To display the firmware version of PRE in the

Gain/Param display:

1 Press Shift once, then release it.

2 Press OSC.

Gain/Param Control

The Gain/Param control can be used to add gain

to the input signal on one or more of the PRE’s

eight channels, or to set the PRE’s MIDI chan-

nel. Changes made with the Gain/Param control

appear in the Gain/Param display.

The gain range for each input (Mic, Line, and In-

strument) is 0 dB to +69 dB, adjustable in incre-

ments of approximately 3 dB (see Table 2 on

page 38).

Peak Meter

These fourteen-segment LEDs indicate input sig-

nal level for any channel that currently has its

Select switch enabled. If multiple channels have

their Select switch enabled, only the left-most

channel will be represented in the Peak Meter

display.

The meter is referenced from the clip point of

the amplifier (for example, –22 dB is 22 dB

below the clip point of the amplifier).

Clear Clips Switch

This switch clears Clip indicators on the Peak

meter and Signal indicators.

Peak Hold Switch and LEDs

This switch sets the clip hold action of the SIG

meters atop each of the 8 channels. Clips are

also indicated by a red Clip LED on the Peak Me-

ter. The amount of time the clip stays lit is deter-

mined by the Peak Hold value, as follows:

Off When lit, the Peak Hold function is off. Clip

LEDs will light during clipping, then clear

shortly after clipping stops. This is the default

Peak Hold value, on power up.

3 sec When lit, Clip LEDs are displayed for

three seconds, then automatically clear, as long

as no additional peaks occur.

 (Infinity Symbol) When lit, Clip LEDs will stay

lit until the Clear Clips switch is pressed.

To change Peak Hold (time constant)

performance:

 Press Peak Hold once to change to the next

setting, or multiple times to toggle through the

three settings. Peak hold is a global command

which sets clip persistence for all channels.

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