boring. So, to liven things up, this LED willStereo Sources
0dBVTRIM
glow steadily when that channelOs MUTEIC-1GAIN
Use channels 9-16 to connect stereo soundM1U
switch is engaged.
sources. If you must use the mono channel
If you need a quick reference to these LEDs,060
strips (1-8) for stereo sources, follow this stan-+15dB-45dB
write this on the back of your hand:LOW CUT
dard convention: Always plug the left signal75 Hz
18dB/OCT
NameColorFlickeringGlowing
into an Oodd� channel (1, 3, 5, etc.) and theAUXU
�20 (Solo) green signal is presentchannel is soloed
right signal into the adjacent Oeven� channel
1
OL (Mute) red channel is clipping channel is muted
(2, 4, 6, etc.). Then pan the odd channel hardOO+15
U
left and the even channel hard right. MUTE
2
Engaging a channelOs MUTE switch pro-CONSTANT LOUDNESS ! ! !OO+15
PRE
vides the same results as turning the fader all
The 1642-VLZ PROOs PANU
the way down: Any channel assignment to
controls employ a design3
L/R, 1-2 or 3-4 will be interrupted. All the
called OConstant Loudness.�OO+15
post AUX sends will be silenced, as willU
It has nothing to do with liv-
the DIRECT OUT signals on channels 14
ing next to a freeway. As you turn the PAN
through 8. And of course, that fun-loving OLOO+15
knob from left to right (thereby causing the
(MUTE) LED will commence to glow. TheUEQ
sound to move from the left to the center to
PRE AUX sends , channel INSERT send HI
the right), the sound will appear to remain at12k
and SOLO (in LEVEL SET (PFL) mode) will-15 +15
the same volume (or loudness).
U
continue to function during MUTE.
If you have a channel panned hard left (or
MID
Depending on the audio content in a chan-
right) and reading 0 dB, it must dip down
-15+15
nel, engaging its MUTE switch may cause a800
about 4 dB on the left (or right) when panned
slight popping sound. This is not a problemFREQ
center. To do otherwise, like those Brand X2002k
within the mixer, and it can be avoided: Sim-
mixers, would make the sound appear much1008k
U
ply engage the LOW CUT switch on each
louder when panned center.LOW
channel (unless its low frequency content is80Hz
-15 +15
vitally important, such as a kick drum or bass 3-BAND MID-SWEEP EQ
PAN
guitar). LOW CUT eliminates subsonic de-
The 1642-VLZ PRO mono channels have a 3-
bris, which causes the pop, and its effect is
band, mid-sweep equalization: LOW shelving at
usually transparent.LR
80Hz, MID sweep peaking from 100Hz to 8kHz,
1
and HI shelving at 12kHz. ItOs probably all theMUTE
PAN
EQ youOll ever need! (Shelving means that the
dBOL
PAN adjusts the amount of channel signal
circuitry boosts or cuts all frequencies past the10
sent to the left versus the right outputs. Pan de-
specified frequency. For example, the 1642-VLZ5-20
termines the fate of the L/R assignment,
PROOs LOW EQ boosts bass frequencies startingU
subgroups 1�2 and 3�4, and the SOLO (in
at 80Hz and continuing down to the lowest noteSOLO
5
NORMAL (AFL) mode). With the PAN knob
you never heard. Peaking means that certain
10
hard left, the signal will feed the left MAIN MIX,1-2
frequencies form a Ohill� around the center fre-
subgroup 1, subgroup 3 and left NORMAL20
quency.)
(AFL) solo mode (assuming their assignment303-4
The LOW EQ provides up to 15 dB boost or cut
switches are engaged). With the knob hard40
at 80Hz. The circuit is flat (no boost or cut) at the50
right, signal feeds the right MAIN MIX, sub-60L/R
center detent position. This frequency representsOO
group 2, subgroup 4 and right NORMAL (AFL)REC
the punch in bass drums, bass guitar, fat synth
1
solo mode. With the PAN knob set somewhere
patches, and some really serious male singers.
in-between left and right, the signal will be di-
+15
vided between the left and right buses.
+10
The PAN knob behaves a little differently for
the stereo channel strips. Since there is a left+5
and right input on these channels, the PAN0
knob controls the relative balance between the�5
left and right sides, just like the balance con-
�10
trol on your stereo system at home.
�15
20Hz100Hz1kHz10kHz 20kHz
19 |
ACEC
