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16. MONO LEVEL
If Mr. Mono's main mono mix is maxed, just reach for
this knob and turn it down a bit. Just the thing for send-
ing mono signals to mic inputs like camcorders, tele-
phone interface boxes, even answering machines. With
the pot all the way up (fully clockwise), you'll have 6 dB
of extra gain, and unity gain is at the 12 o'clock position.
17. VOLTAGE SELECTOR
WARNING: Before you plug the AC power cord
into the 1642-VLZ3, you must make sure that
this slide switch is set to the same voltage as
your local AC main supply. Only slide the voltage switch
with the power cord unplugged.
Use a flat headed screwdriver to slide the switch if
needed. The switch allows you to use the mixer in dif-
ferent countries and voltages, meet interesting people
from other cultures, and entertain them.
18. POWER CONNECTION
Just in case you lose the cord provided with the 1642-
VLZ3, its power jack accepts a standard 3-prong IEC
cord like those found on most professional recorders,
musical instruments, and computers.
WARNING: Before you plug the AC power cord
into the 1642-VLZ3, you must make sure that
the VOLTAGE SELECTOR [17] slide switch is
set to the same voltage as your local AC mains supply.
WARNING: Disconnecting the AC mains plug's
ground pin can be dangerous. Please don't do
it.
19. FUSE
The 1642-VLZ3 is fused for your (and its own) protec-
tion. If you suspect a blown fuse, disconnect the power
cord, pull the fuse drawer out (located just below the
cord receptacle) and replace the fuse with a 1 A SLO
BLO, 5x20mm, available at electronics stores or your
dealer (or a 0.5 A SLO BLO 5x20mm if your 1642-VLZ3 is
set to 220V-240V).
If two fuses blow in a row, something is very wrong.
Please call our toll-free number 1-800-898-3211 from
within the U.S. (or call the distributor in your country)
and find out what to do.
20. POWER SWITCH
Press the top of this rocker switch inwards to turn
on the mixer. The POWER LED [21] on the top surface
of the mixer will glow with happiness, or at least it will
if you have the mixer plugged in to a suitable live AC
mains supply.
Press the bottom of this switch to put the mixer into
standby mode. It will not function, but the circuits are
still live. To remove AC power, either turn off the AC
mains supply, or unplug the power cord from the mixer
and the AC mains supply.
As a general guide, you should turn on your mixer
first, before the power amplifier or powered speakers,
and turn it off last. This will reduce the possibilities of
any turn-on, or turn-off thumps in your speakers.
21. POWER LED
You've probably already
figured this out, but if the
POWER [20] switch is on, this
LED (light-emitting do-hicky)
will light. If the switch is off,
well, you get the idea. If the
POWER [20] switch is on and
the LED does not glow, one of
three things has happened:
Somebody tripped over the
power cord and yanked it from
the outlet, your electricity has
been turned off due to nonpay-
ment, or the FUSE [19] has
blown.
22. PHANTOM SWITCH
This switch controls the phantom power supply for
condenser microphones as discussed on page 8. When
turned on (or off), the phantom power circuitry takes a
few moments for voltage to ramp up (or down). This is
perfectly normal.
23. 48V LED
This is just to let you know which way you have the
PHANTOM [22] switch set. If your dynamic mics work
and your condensers don't, chances are this LED is off,
so turn the PHATOM switch on.
You'll notice that when you turn the phantom power
off, the LED stays on for a while. This is a natural phe-
nomenon — the LED is actually a voltmeter telling you
that the phantom power takes time to ramp itself down
to zero volts. So, if you've turned phantom power off to
connect something to the mic inputs, wait until the LED
stops glowing and then make your connections safely.
24. BNC LAMP SOCKET
Located in the top right corner of the output sec-
tion, this 12V socket will drive any standard BNC-type
lamp (a Littlite® #12G or #12G-HI (high-intensity), for
instance).
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Owner's Manual
13
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