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XENYX 1222FX
2.3.6 Level meter and level setting
Fig. 2.14: Level meter
POWER
The blue POWER LED indicates that the device is switched
on.
+48 V
The red +48 V LED lights up when the phantom power supply
is switched on. The phantom power supply is necessary for
condenser microphones and is activated using the corresponding
switch on the rear of the device.
+ Connect microphones before you switch on the
phantom power supply. Please do not connect
microphones to the mixer (or the stagebox/
wallbox) while the phantom power supply is
switched on. In addition, the monitor/PA
loudspeakers should be muted before you activate
the phantom power supply. After switching on,
wait approx. one minute to allow for system
stabilization.
LEVEL METER/CLIP
The high-precision level meter accurately displays the
appropriate signal level.
LEVEL SETTING:
When recording to a digital device, the recorders peak meter
should not exceed 0 dB. This is because, unlike analog recordings,
slightly excessive levels can create unpleasant digital distortion.
When recording to an analog device, the VU meters of the
recording machine should reach approx. +3 dB with low-
frequency signals (e.g. kick drum). Due to their inertia VU meters
tend to display too low a signal level at frequencies above 1 kHz.
This is why, for example, a Hi-Hat should only be driven as far
as -10dB. Snaredrums should be driven to approx. 0 dB.
+ The peak meters of your XENYX display the level
virtually independent of frequency. A recording level
of 0 dB is recommended for all signal types.
2.4 Graphic 7-band equalizer
Fig. 2.15: The graphic stereo equalizer
The graphic stereo equalizer allows you to tailor the sound to
the room acoustics.
FBQ FEEDBACK DETECTION
The switch turns on the FBQ Feedback Detection System. It
uses the LEDs in the frequency band faders to indicate the
critical frequencies. On a per-need basis, lower the frequency
range in question somewhat in order to avoid feedback. The
graphic stereo equalizer has to be turned on in order to use this
function.
+ Logically, at least one (ideally several) microphone
channels have to be open for feedback to occur at
all!
Feedback is particularly common when stage monitors
(wedges) are concerned, because monitors project sound in
the direction of microphones. Therefore, you can also use the
FBQ Feedback Detection for monitors by placing the equalizer in
the monitor bus (see MAIN MIX/MONITOR).
EQ IN
Use this switch to activate the graphic equalizer. When
activated, the fader LEDs will illuminate.
MAIN MIX/MONITOR
This toggles the graphic equalizer between the main mix and the
monitor mix. With the switch up (not depressed), the equalizer is
active in stereo on the main mix, and inactive on the monitor mix.
When the switch is depressed the equalizer is active in mono
on the monitor mix, and inactive on the main mix.
2.5 Rear view of 1222FX
Fig. 2.16: Voltage supply and fuse
FUSE HOLDER/IEC MAINS RECEPTACLE
The console is connected to the mains via the cable supplied,
which meets the required safety standards. Blown fuses must
only be replaced by fuses of the same type and rating. The
mains connection is made via a cable with IEC mains connector.
An appropriate mains cable is supplied with the equipment.
POWER
Use the POWER switch to power up the mixing console. The
POWER switch should always be in the Off position when you
are about to connect your unit to the mains.
To disconnect the unit from the mains, pull out the main cord
plug. When installing the product, ensure that the plug is easily
accessible. If mounting in a rack, ensure that the mains can be
easily disconnected by a plug pull or by an all-pole disconnect
switch on or near the rack.
+ Attention: The POWER switch does not fully
disconnect the unit from the mains. Unplug the
power cord completely when the unit is not used
for prolonged periods of time.
PHANTOM
The PHANTOM switch activates the phantom power supply
for the XLR microphone inputs, which is required to operate
condenser microphones. The red +48 V LED lights up when
phantom power is on. As a rule, dynamic microphones can still
be used with phantom power switched on, provided that they
are wired in a balanced configuration. In case of doubt, contact
the microphone manufacturer!
2. CONTROL ELEMENTS AND CONNECTORS