4ms Company Listen Four Посібник користувача - Сторінка 4
Переглянути онлайн або завантажити pdf Посібник користувача для Музичний мікшер 4ms Company Listen Four. 4ms Company Listen Four 7 сторінок. Four channel stereo mixer
Друкувати сторінкуLeft and Right Output Jacks
The main outputs of the module are the left and right output jacks. The signal level on these
jacks is controlled by the
a zero-impedance line driver circuit capable of driving long cables. They also can be patched
to other modules or an external DAW interface. The jacks are mono 1/8" (3.5mm).
While it is safe to use an adapter to convert to 1/4" (6.35mm), consider using the
Quarters
Output Signal Lights
The two lights near the output jacks indicate the signal level present on these jacks. The top
light turns blue more brightly as the left channel output gets louder. If the left channel clips, a
bright red light will add to the blue, creating purple. The lower light turns green more brightly
as the right channel output gets louder. If the right channel clips, a red light will add to the
green, creating yellow. The clipping level can be set with the trim pot on the back of the
module (see Trim Pot section). When the switch is
set to Line, no clipping can occur and these lights will
never turn yellow or purple.
Mod/Line Switch
The
occurs on the main output jacks. When set to Mod,
modular level signals are output (+/-12V). When set
to Line, line level signals are output. To protect your
speakers, power off the Listen Four or disconnect the
speakers before flipping this switch.
Headphones Output
Headphones Jack
The headphones jack is a stereo 1/8" jack (3.5mm) designed for outputting to headphones.
Any headphones can be used, though 8 to 32 ohms is recommended. The jack can also be
used as an additional output to connect to an external device that requires a TRS stereo
signal. However, use the main outputs if possible because the frequency response and noise
specifications of the headphones output are not as good as the main output jacks, and this
output does not have the anti-pop circuitry.
Headphones Level Knob
This knob sets the headphones volume. It's independent of the
Mod/Line
Trim Pot (Clipping Light Level)
A small trim pot on the back of the module adjusts the level at which the clip lights turn on
(see Output Signal Lights section above). The factory default setting is for the lights to turn
bright yellow or purple when the output signal exceeds about 20V peak-to-peak. When the
trim pot is turned all the way counter-clockwise, the clip lights will almost never turn on, even
though substantial clipping may be occurring. By turning the trim pot further clockwise, the
clip level can be adjusted as low as 13.3V (-4.4dB).
To adjust the clipping level, use a #1 Phillips-head screwdriver and gently turn the inner shaft
of the trim pot. If you feel any resistance, stop turning
immediately: the trim pot can be easily damaged.
Turning clockwise will decrease the level (clip light
turns on sooner). Turning counter-clockwise will
increase the level.
The trimpot only adjusts the visual feedback from the
clipping lights. It does not change the actual clipping.
Main Level
module, which has balanced 1/4" outputs.
Mod/Line
switch selects what type of output
switch.
knob as well as the
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Mod/Line
switch. These jacks have
Note: T he signal lights only indicate
relative dynamics. Pulsing
lights often indicate beats or
throbbing sounds. It's normal
that the blue lights are
brighter than the green lights
at softer volumes.
Main Level
knob and the
Tip: After adjusting the trim pot,
make sure the switch is set
to Mod when you test the
new level: no clipping ever
occurs with the switch set
to Line!
Listen Four