Cleaning and maintenance – Velleman PROMIX400U2 User Manual
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PROMIX400U2
V. 02 – 09/03/2012
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©Velleman nv
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Headphones controls
PHONES: plug a headphone into this jack for audio monitoring.
LEVEL: adjust the output level of the headphones
MIXING: mixing adjustment knob. Turn to the left to hear channel(s) selected with CUE switches. Turn
to the right to hear master output. At the centre position, the levels for cue and master are even.
MONO SPLIT/STEREO: select the headphones input.
•
MONO SPLIT: the channels selected by the CUE buttons [6] are audible on the left side; the master
output is audible on the right side.
•
STEREO: the channels selected by the CUE buttons [6] are audible on both sides, in stereo.
8 Channel
fader: set level of the channels with these sliders.
9 Master
fader: master volume control
10
CROSS FADER ASSIGN A/B: select the channels A and B for the cross fader.
Note: channels that are not assigned to the cross fader are output without passing through the cross
fader.
11 Cross fader curve selector: select one of the cross fader start-up curves (abrupt or smooth
transition).
12
Cross fader: moving the slider from left to right will fade in channel B (louder) while fading out
channel A (more quiet). In the middle position, both channels are played at equal volume. Use the cross
fader assign buttons [10] to select channels A and B.
13 MASTER
BALANCE: adjust the left-right balance of the master output
14 Effect
controls: adjust the parameters of the effects.
15 EFFECTS: switch effects on or off.
16 DSP
EFFECT/PARAMETER: effect parameter display
17 Effect
selector: turn the knob to select a sound effect. Adjust the effect using the effect controls [14].
18 BOOTH
MONITOR: adjust the level of the booth monitor
19 POWER SUPPLY INPUT: connect to 230VAC/50Hz power source
20 Balanced master outputs: audio output signal connectors (XLR, symmetrical)
21 Master
RCA
output: RCA connection to an auxiliary amplifier (not included)
22
BOOTH: RCA connection for booth monitor (not included)
REC: RCA connection to recording device (not included)
23 CH4
MIC: microphone input for channel 4
24 CH3
USB: USB input for channel 3
25
Input connectors (CH4-CH1): connect an external device (not incl., e.g. turntable, CD player…) to
these RCA (cinch) connectors.
26 SIGNAL GND (ground) connection: when buzzing occurs, connect to turntables to create earth
connection.
27 CONTROL
A/B: CD player inputs
6. Cleaning and maintenance
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All screws should be tightened and free of corrosion.
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The housing, visible parts, mounting supports and the installation location (e.g. ceiling, suspension,
trussing) should not be deformed, modified or tampered with e.g. do not drill extra holes in mounting
supports, do not change the location of the connections.
•
Moving mechanic parts must not show any signs of wear and tear.
•
The electric power supply cables must not show any damage. Have a qualified technician maintain the
device.
•
Disconnect the device from the mains prior to maintenance activities.
•
Wipe the device regularly with a moist, lint-free cloth. Do not use alcohol or solvents.
•
There are no user-serviceable parts.
•
Contact your dealer for spare parts if necessary.