Speck Electronics X.Sum - Manual (Page 18)

Chapter 3 Operation Section 14
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This pot acts as the master volume to the Mix-A output. The operation of this
control does not affect the operation of the Monitor level [7].
When depressed, this switch sums the left and right signal together, creating a
mono composite for the Mix-A. The operation of the Mono switch does not
affect the Mix-B stereo mix. A yellow L.E.D. indicates the operation of the
Mono switch.
The Mono switch allows the user to check for any out-of-phase signals or
simply monitoring your mix in monaural.
This adjusts the overall level to the headphone jack on the front panel and the
Mix-B outputs on the external breakout box (Model BB-03). This control
operates independent of the Master Level Control [5]. The source select for
this control is the Mix-B Select Switch [8].
This switch simultaneously changes two monitoring functions of the Monitor
Level Control [7].
The first is that it selects the source for the headphone jack. In the "Out"
position the source for the headphone jack is the Mix-A stereo bus and when
depressed the source is the Mix-B stereo bus.
The second function of this switch is that it changes the Mix-B output signal
to the breakout box. In the "Out" position the source for the Mix-B jacks is the
Mix-B stereo bus set at a fixed level (pre the monitor level). When this switch
is depressed, the source for the Mix-B jacks is the Mix-B stereo bus under the
control of the Monitor Level Control [7].
This standard 1/4" stereo phone jack will accommodate most popular stereo
headphones. The tip of the stereo jack is the left headphone signal and the ring
of the jack is the right headphone signal.
Master Section
5. Master Level Control
6. Master Mono Switch
7. Monitor Level Control
8. Mix-B Select Switch
9. Headphone Jack
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