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19MXR
CONTROLS AND FUNCTIONS cont.
level input devices be sure this switch is in the "LINE" position. Always be sure main power is shut off before
change the position of the Line Level Selector Switch.
24. CHANNEL 3: INPUTS - The type of input must directly reflect the selected mode of the CHANNEL LINE
LEVEL SELECTOR SWITCH (23). CD players, Tape Decks and other line level instruments may be connected
to these jacks. The red colored RCA jack represents the right channel input and the white represents the
left channel input. Input volume will be controlled by channel three fader. The channel SOURCE SELECTOR
SWITCH (3) must be in the "Analog" position, to monitor any source connected to these jacks. Turntables
equipped with MM pickup cartridge (All DJ turntable use MM pick-up cartridges) may be connected to these
jacks as long as the CHANNEL LINE LEVEL SELECTOR SWITCH (23) is in the "PHONO" position. When CD
players, Tape Decks and other line level instruments are connected to these jacks the CHANNEL LINE LEVEL
SELECTOR SWITCH (23) is in the "LINE" position. Never connect line level instruments (CD players, tape
decks, etc.) to these jacks when the CHANNEL LINE LEVEL SELECTOR SWITCH (23) is in the "PHONO"
position, THIS MAY SERIOUSLY DAMAGE YOUR MIXER! The red colored RCA jack represents the right
channel input and the white represents the left channel input. The channel SOURCE SELECTOR SWITCH (3)
must be in the "Analog" position, to monitor any source connected to these jacks.
25. CHANNEL 4: LINE 4 INPUT JACKS - DO NOT CONNECT TURNTABLES TO THESE JACKS! CD players,
Tape Decks and other line level instruments may be connected to these jacks. The red colored RCA jack rep-
resents the right channel input and the white represents the left channel input. Input volume will be controlled
by channel one fader. The channel SOURCE SELECTOR SWITCH (3) must be in the "Analog" position, to
monitor any source connected to these jacks.
26. RCA MASTER OUTPUTS - The Master Output includes a pair XLR BALANCED JACKS (28) as well as
a pair of RCA Unbalanced Jacks. The RCA jacks send a low current unbalanced output signal. These jacks
should only be used for shorter cable runs to signal processors or looping to another mixer. For cable runs
greater than 15 feet use the XLR BALANCED JACKS (28).
27. BOOTH OUTPUTS - The VMS4 offers a secondary output usually used to monitor your mix or to route
to an outboard recording device. This output has independent volume control "Booth" knob.
28. BALANCED XLR MASTER OUTPUT JACKS - The Master Output includes a pair of XLR Balanced jacks
as well as a pair of RCA UNBALANCED JACKS (26). The 3-pin XLR jacks send a high current balanced
output signal. These jacks should be used when you will be driving an amp or other audio equipment with
a balanced input, or whenever you will be running a signal line greater than 15 feet. Always, use these jacks
whenever possible.
29. USB PORT - Connect to your computer for MIDI interface and USB interface (audio in and outs).
30. MAIN POWER SWITCH - This is the main power ON/OFF button. Before main power is applied, be
sure you have made all connections to the mixer. Also be sure your amplifier(s) is(are) tuned off. Remember
to avoid damaging pops to the speakers, the mixer is turned on first and turned off last.
31. AC CONNECTION - This connector is used to supply main power to the unit via the included detach-
able power cord. The power connection uses an I.E.C. type connector, use only the supplied, polarized AC
power cord. Use only a power cord that matches this type of connection. Be sure to only connect this unit
to a power outlet that matches the printed power label on the unit. Never use a power cord when the ground
prong has been removed or broken off. The ground prong is used to reduce the risk of electrical shock in
case of an electrical short. This cord is designed to fit in one direction only. Do not attempt to force a cord if
it does not fit, be sure the cord is being inserted properly.
FUSE HOLDER – This housing stores the 10 amp GMA protective fuse. Always replace with the exact same
type fuse, unless otherwise instructed, by an authorized American Audio® service technician. Replacing with
any other type of fuse than that of the recommended fuse will void your unit warranty.
American Audio
- www.americanaudio.us - 19MXR Instruction Manual Page 13
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