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Description of Controls
X2 Reference Manual 69
CHAPTER 6:
DESCRIPTION OF CONTROLS
Input Channel Controls
+48 V Switch
When pressed, the +48 V switch applies phantom power to the XLR microphone
jack for that channel. 48 volts DC appears equally on pins 2 and 3 to be used by
condenser-type microphones requiring external power. Since this potential is equal,
it is “invisible” to standard balanced dynamic microphones, hence the name,
“phantom power.” Check the manual for the mics you plan on using to make sure
that this phantom method is correct before you apply power.
The +48 V switch must be turned off if any electronically balanced line input (such as the
balanced output of a tape recorder or CD player) is connected to the MIC IN jack; it could
damage the output circuitry of such units.
Note: Make sure the Mic/Line Gain knob is set to its minimum before switching the
+48V switch in or out.
Mic/Line Switch
This switches between MIC (up) and LINE (down) as the input source for the
channel. The input routing after this switch to the short Monitor FADER or large
Channel FADER is determined by the CHAN/MON REVERSE switch (see below).
PHASE (Ø) Switch
When turned on (down), the Ø (Phase) switch reverses the phase of the input. It
affects both the Mic and Line inputs.
Mic/Line Gain
The MIC/LINE GAIN knob adjusts the sensitivity of both Mic and Line inputs.
Proper setting of this control is essential for low-noise, distortion-free operation. In
most cases, microphones require 30 to 60 dB of preamplification, while line sources
need much less or none at all. If the Channel PEAK LED lights when the
CHAN/MON REVERSE switch is up, or the Monitor PEAK LED lights when it is
down, lower the MIC/LINE GAIN control.
Chan/Mon Reverse
Press the CHAN/MON REVERSE switch to select TAPE IN as the source of the
Channel, and at the same time send Mic or Line (whichever is chosen by the
MIC/LINE switch) to the Monitor FADER. Example: If all the console’s MIC/LINE
and CHAN/MON REVERSE switches are down, all the main Channel FADERS will
be getting signal from their respective Tape Returns, and all the short Monitor
FADERS will be getting signal from the Line input jacks. This would be a typical
mixdown patch. By releasing the CHAN/MON REVERSE switch, the large Channel
J