Lexicon MPX User Manual

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7. Additional Bytes
• Query Messages: None
• Data Messages: 00 00 00
8. Data Bytes
• Query Messages: None
• Data Messages:
Data bytes contain the data value.
Because data bytes are always
nibblized (split in two), values specified
as two bytes actually require four
bytes. The nibble order begins with
the least-significant value. For instance,
a one-byte value of 03 would be sent
to 03 00. A two-byte value of 14
(decimal 20) would be sent as 04 01
00 00.
9. Parameter Identifier Bytes
Specifies the SysEx address of the
parameter. See the tables that begin on
page 7 to find specific parameter
addresses.
10. MIDI Closing Byte
Closes the message.
• Query Messages: E7
• Data Messages: E7
MIDI Implementation Supplement
5
MPX Series
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Sample Data Message
Sample Query Message
7
8
SAMPLE MESSAGES
In the sample messages that appear below, numbers correspond to the numbered items in the
Message Components section that begins on page 4.
The Sample Query Message that appears above could be sent to the MPX 100 to request the value of the
RtDelay1 parameter.
The Sample Data Message that appears above could be sent by or to the MPX 100. It could be sent by the
MPX 100 in response to the Sample Query Message above, to indicate that the RtDelay1 parameter has a
value of 09E2. It could also be sent to the unit to assign a value of 09E2 to the RtDelay1 parameter.

Lexicon MPX Specifications

General

Digital or Analog	Digital
Number of Channels	2
Form Factor	Rackmount
Rack Spaces	1U
Effects	Reverb, Delay, Chorus, Pitch Shift
Inputs	2 x 1/4" TRS
Outputs	2 x 1/4" TRS
THD+N	<0.01%
Frequency Response	20 Hz - 20 kHz