XONE:02 User Guide 23
Tips and Troubleshooting
For your safety do not remove the EARTH
(ground) connection in the power lead of the console
or connected equipment.
J Have your MAINS SYSTEM checked by a
qualified electrician. If the earthing is solid to start with
you are less likely to experience problems.
J Use high grade AUDIO CABLES and check them
for reliable connection. It is well known that many
audio system problems are due to faulty cables and
connectors.
In a club or similar installation strict SOUND
LEVEL and noise regulations may apply. Check that
your system levels are correctly set up to comply.
To avoid damage to your hearing start with the
HEADPHONES level control at minimum and turn up
only as much as is needed to maintain comfortable
listening level. Do not drive headphones at high
listening levels for long periods of time.
Always switch connected AMPLIFIERS on last
and off first to avoid thumps when the console and
connected equipment is turned on or off.
Reduce level if the red meter PEAK led
flashes. These warn you that you are near clipping
which may result in system overload and distortion.
The XONE:02 provides plenty of drive and headroom
when operated around the 0 to +6 meter points.
Check that the amplifier / speaker system is correctly
matched and set up for correct levels.
J If you suspect a console fault. The console is
the heart of the audio system and is often suspected
faulty when a problem occurs. Usually the fault is
found to be with other equipment in the system,
typically the interconnecting leads, input sources, or
level matching between equipment. Check for source
problems by unplugging each channel in turn listening
for a change in symptom. To check the console,
isolate it by unplugging all sources and outputs leaving
just headphones and a reference source such as a CD
player connected.
? I have plugged in a microphone but it does not
work. The XONE:02 is designed to operate with non-
phantom powered dynamic microphones such as the
popular vocal types. Do not use microphones which
require phantom power. If it has an on/off switch
check that it is turned on. Make sure the front panel
LEVEL control is turned up and MIC ON switch
pressed.
? The signal sounds very distorted with high
level and excessive bass. Only plug turntables
needing RIAA equalisation into the PHONO inputs with
RIAA selected.
? There is a hum on the turntable channels.
Check that the turntable earth strap has been correctly
connected to the console chassis earth post. Also
check that the turntable headshell and cartridge are
correctly aligned and plugged in.
? The MIX meters reads fine but the signal is
distorted. Switch the meters to CUE and check that
the channels are not peaking red. If they are, the
output meter may still read fine if the fader or master
level control is not set fully up. Reduce the input level
control if the channel meter reads too high.
? Only one side of the stereo mix is working.
Check that the VCA PAN control is not set fully to
either L or R. Also check for bad connections, in
particular RCA phono leads and turntable headshell
and cartridge pins.
? The channel is not working. Check that the
TRANSFORM switch is not selected. This mutes the
channel.
? There is feedback. Check that the microphone is
not placed next to the headphones or loudspeakers.
The mic may pick up its own signal and feed back.
Use the mic EQ to tune out the range of frequencies
likely to feed back. In loud listening conditions
feedback can sometimes be caused by mechanical
vibration through the turntables into the cartridge, or
even the needle resting on a cued turntable starting to
resonate in the groove of the record.
? The crossfader works backwards. Check that
the reverse switch has not been pressed and its red
LED on. If it is off then check that the crossfader has
been re-fitted the right way round if previously
removed.
? I have connected a stereo source to a single
input using a Y-adapter but it sounds bad. Do not
connect more than one output to the input. These
adapters are designed to feed one output to two
inputs, not the other way round.
? The level changes when I switch in the effects.
The effects loop operates at 0dBu line level. Make
sure the external effects device is set for similar line
level and 0dB unity gain.
? I can hear interference pickup in the mix. If
you are not using the LINK IN sockets then make sure
the shorting plugs supplied with the console are
plugged in. These short out the inputs to prevent
interference when not in use.
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