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Getting Started
MPX 550
1-5
4. EDIT Knobs
Adjust parameters. Numbers 1 to 4 correspond to
numbers 1 to 4 beneath the front panel display.
5. Front Panel Display
Indicates information about the current program.
(See page 1-6 for more information about the front
panel display).
6. Load
Loads the selected program. The LED lights when
another program is cued.
7. Bypass
Mutes or bypasses the incoming signal, depending
on the setting of the System Mode parameter Bypass
Mode (see page 3-5).
8. PROGRAM
Scrolls through available programs and, when
pushed inward, program banks.
9. Store
Activates store functions. When pressed with Tap,
enters MIDI Learn Mode (see page 6-2).
10. Tap/Cancel
Flashes to indicate tempo-based programs. When
pressed twice, sets tempo. When held, uses input
level or dialed-in value to determine tempo. When
pressed with Store, enters MIDI Learn Mode (see
page 6-2).
11. Power
Powers the unit on and off.