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(O
) E
PTIONAL
XTERNAL
L
MX 200 F
EXICON
The initial External EFX Control Units also provide for controlling the two "EFX engines" in the
Lexicon MX-200 multi-effects unit. The MX-200 requires Momentary Contact, Normally Open
(MCNO) switches for its remote control function. Accordingly, two momentary push button
switches are provided on the left side of the External EFX Control Unit.
The button at the upper left of the front panel controls Effect Engine #1 (normally programmed
for Delay effects in Telonics patches), and the button at the lower left of the front panel controls
Effect Engine #2 (normally programmed for Reverb effects in Telonics patches). The buttons are
labeled accordingly.
A second ¼ inch TRS cable is required to connect the Lexicon MX-200 side of the Control Unit
to the "Foot Switch" jack on the rear panel of a Lexicon MX-200. Always be sure this cable is
plugged into the left side of the Control Unit, with the TRS plug on the other end fully inserted
into the Foot Switch jack on the rear panel of the Lexicon MX-200.
You can determine whether an effects "engine" in the Lexicon MX-200 is On or Off by looking
at the BYPASS buttons on its front panel. If the engine is On, the LED for that engine will be
NOT be illuminated – the light will be Off, indicating that the effect generated by that unit is
NOT bypassed.
This can be confusing, so be sure to remember that BYPASSED means OFF and that effect is
bypassed or off, when the LED in the BYPASS button is On.
If you have an MX-200 in your Combo, be sure to try the pushbuttons a few times to be sure you
have this concept firmly in mind.
At the time of this writing, we have indications that the T.C. Electronics G-Major/2 may provide
improved capabilities with the TCA-500. They generally cost twice as much as the MX-200 and
we want to make sure they deliver that level of service. We are currently working with them to
develop our understanding of their usage and to develop custom patches.
If and when we recommend them, we will also look into remotely controlling them as well.
Telonics TCA-500 Combo Amp
PB-009289 Rev _ PRELIMINARY
C
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ONTROL
NIT
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OOT
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