Controls And Functions; Top Panel Channel Section - Yamaha MG12XUK Owner's Manual

Controls and Functions

Top panel
Channel section (Input: q to !4 )
q [MIC/LINE] mono input jacks (channels 1-6)
For connecting a microphone, instrument, or audio
device (CD player, etc.) to the unit. These jacks support
both XLR and phone plugs.
w [PAD] switches
Turning the switch on (
input to the unit. If you hear distortion or the [PEAK]
LED !0 lights, turn the switch on (
NOTE
Turn the [LEVEL] knob to "0" (minimum) before toggling the
[PAD] switch on (
be produced.
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MG12XUK Owner's Manual
) will attenuate the sound
).
) and off ( ). Otherwise, noise may
e [HPF] (High-Pass Filter) switches
Turning the switch on (
that attenuates frequencies below 80 Hz. When speak-
ing into the microphone, you may want to turn this
switch on ( ), in order to reduce unwanted vibration
and wind sound received by the microphone.
r [GAIN] knobs
Determines the basic volume for each of the channels 1
to 6. Adjust these so that the corresponding [PEAK]
LEDs !0 flash briefly when singing or playing the loud-
est.
t [COMP] knobs
Adjusts the amount of compression applied to the chan-
nel. As the knob is turned to the right, the threshold, the
ratio, and the output level are adjusted at the same time.
• Threshold: +22 dBu to -8 dBu
• Ratio: 1:1 to 4:1
• Output level: 0 dB to +7 dB
• Attack time: approx. 25 msec
• Release time: approx. 300 msec
y [PHANTOM +48V] switch/LED
When this switch is on (
that the unit supplies DC+48 V phantom power to the
XLR plugs of the [MIC/LINE] mono input jacks q. Turn
this switch on when using a phantom-powered con-
denser microphone.
NOTICE
Be sure to leave this switch off (
need phantom power. Follow the important precau-
tions below, in order to prevent noise and possible
damage to external devices as well as the unit when
you operate this switch.
• Be sure to leave this switch off when connecting
a microphone or other device that does not
require phantom power to channels 1 to 6.
• Do not connect/disconnect a cable to/from chan-
nels 1 to 6 while this switch is on.
• Turn the [LEVEL] knobs of channels 1 to 6 to the
minimum before operating this switch.
) will apply a high-pass filter
), the LED lights indicating
) if you do not