ADA MB-1 owners manual version 2
REAR PANEL CONTROL FUNCTIONS
FUSE Externally accessible 0.5 AMP fuse.
Replace with equivalent type and rating only.
POWER SWITCH ON/OFF Rocker switch (located near power
supply to prevent AC line hum.)
MIDI THRU Passes all MIDI data received at the in port to
subsequent MIDI devices.
MIDI OUT Transmits MIDI data originated by the MB-1
front panel.
MIDI IN Receives MIDI data from MC-1 or other MIDI
device.
PHANTOM POWER 9V AC/DC coaxial power input jack supplies
phantom power to the optional MC-1 MIDI
FOOT CONTROLLER thru the 7 pin din MIDI
in jack and 7 pin cable.
PRE/POST Switches Balanced Direct output Pre or Post
MB-1 Preamp.
PIN 1 LIFT Switches ground lift (pin 1) on Direct output.
DIRECT OUT Balanced Direct output, XLR type
FULL OUT Full Range output, 1/4" phone type
HI OUT High Frequency output, 1/4" phone type.
LO OUT Low Frequency output, 1/4" phone type.
LIMITER SWITCH Switches L.F. Limiter ON/OFF.
LIMITER ADJUST Adjusts L.F. Limiter
CROSSOVER Adjusts the Crossover point between 150Hz
to 750Hz.
RECEIVE B Effect Loop "B" return, 1/4" phone type.
SEND B Effect Loop "B" send, 1/4" phone type.
RECEIVE A Effect Loop "A" return, 1/4" phone type.
SEND A Effect Loop "A" send, 1/4" phone type.
RECEIVE LEVEL B Adjusts Effect Loop "B" return level.
SEND LEVEL B Adjusts Effect Loop "B" send level.
RECEIVE LEVEL A Adjusts Effect Loop" A" return level.
SEND LEVEL A Adjusts Effect Loop "A" send level.
SOFTWARE VERSION
The MB-1 displays the current installed software version during power-up. It is a three digit
number with decimal point which is displayed just after the LED's flash in the power up
sequence.
SELF DIAGNOSTICS
The MB-1 's internal self-diagnostic functions automatically check the unit for memory errors
during power up. Additional checks are made when data is received in the form of MIDI
System Exclusive messages. When an error is detected during power up, one or more error
messages will be displayed. The following chart shows the error code that will be displayed
in the event of a problem, the cause of the problem, and the appropriate action for you to
take. Diagnostic status is also available via MIDI System Exclusive messages. For
information on MIDI diagnostics, please refer to the MB-1 MIDI SOFTWARE
SPECIFICATION AND PROGRAMMER'S GUIDE,
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