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CONTROLS AND CONNECTIONS
10
etc., input to the
Tape Input (13) is
determined by the
setting of the output
volume control of
the audio device
being connected, so
care must be taken
in adjusting this
level so as to
achieve proper bal-
ance in the final mix
and to prevent over-
load distortion.
The 10-stage LED
Output Meter (27)
displays the Master
Mix output level.
c. Monitor
Function and
Operation
(17) CONTROL
ROOM OUTPUTS
(18) HEAD-
PHONES OUTPUT
(22) PHONES/
CONTROL ROOM
CONTROL
(20) MASTER/PFL
TO CONTROL
ROOM SWITCH
The SRM-12X/14X
allows you to moni-
tor either the Master
Mix or any chan-
nel(s) selected by
the channel PFL
Select switch (9).
To monitor the
Master Mix, the
Master/PFL to Control Room switch (20) must be in the up
(unpressed) position. Press the switch down to enable PFL
function. In this mode you can now monitor any channel(s) by
pressing the channel PFL Select switch (9). In either case,
the signal level is adjusted with the Phones/Control Room
control (22) and routed to both the Control Room (17) and
Headphones (18) outputs. The L-R Control Room Outputs
(17) can be connected to an amp to power stereo control
room (or other) monitor speakers and are 1/4" unbalanced
phone jacks, wired: Tip = positive (+), Sleeve = ground.
The Phones Output will feed headphones and is a 1/4" TRS
jack, wired: tip = left signal, ring = right signal, sleeve =
ground.
d. Power Switches
(31) AC POWER IN SOCKET
(23) MAIN POWER SWITCH
(24) POWER ON LED INDICATOR
Once the external PSU is connected to the AC Power In
socket (31) and then to the AC power source, you may switch
on your mixers with the Power On switch (23). The Power
"ON" LED (24) will light up. Allow 1 minute after powering up
for the system to reach equilibrium before setting inputs gains
and other levels.
(25) PHANTOM POWER SWITCH
(26) PHANTOM POWER ON LED INDICATOR
When using condenser mics, +48VDC can be switched glob-
ally on or off to the XLR mic inputs for all mono channels (also
see MONO INPUT SECTION, MIC INPUTS). When this
switch is in the "ON" position, The Phantom Power On LED
Indicator (26) will light, and +48VDC will be provided
between pins 2 and 3 on all the mono Mic input XLR connec-
tors. If you don’t need phantom power, be sure to turn this
switch to the "OFF" position.
[Note: It is safe to connect balanced dynamic mics or line
level devices even if this switch is on, but connecting unbal-
anced devices or devices whose transformers are center-
grounded will cause hum or malfunctions. Shorting the
+48VDC can also damage your mixer. Also, mute the
Monitor/PA speakers when turning the phantom power on or
off.]
BACK PANEL
(22)
(27)
(19)
(20)
(21)
(28)
(24)
(26)
(23) (25)
(31)
(30)