Owners Manual

7
Headphone LEVEL
This control adjusts the signal level sent to the headphone jack. Note that the headphone output level
is not affected by the setting of the Master LEVEL control.
EFX RETURN
This control adjusts the level of the signal sent back from an external effects processor, if connected,
and determines its contribution to the overall mix.
POWER Switch
Controls the application of AC power to the MX822. When the switch is pushed in at the top (ON
position), an indicator lights, showing power is applied.
PHANTOM POWER (+48 VOLTS) Switch
Rear Panel Control
This pushbutton switch controls the application of phantom power to the rear-panel MIC INPUT XLR
connector. In the OFF (out) position, no phantom voltage is applied. Pushing the button in (ON
position) lights the switch green and applies phantom voltage. Note that when phantom voltage is
applied, the current supplied is limited to 7 mA for each leg of the balanced line.