Lexicon MPX R1 -, Руководство пользователя

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Troubleshooting
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Troubleshooting
This chapter is intended primarily to help you recognize some common error
states which can be corrected from the MPX R1 front panel, or by simple means
such as cable replacement. Any error states that are not covered here should be
referred to your local dealer or Lexicon Customer Service.
In “low-voltage”, or “brown-out” conditions (less than 40VAC), the MPX R1 will
freeze in its current state. None of the controls will have any effect. When power
returns to a normal level, the unit will reset itself as though it had just been
powered on. If the unit does not reset itself, turn the power OFF, then ON to
resume normal operation.
Temperature extremes may cause the MPX R1 to exhibit unpredictable behav-
ior. If the unit has been subjected to temperatures below 32°F (0°C) or above
95°F (35°C), it should be turned off and allowed to return to normal temperature
before use. The unit may be damaged by exposure to temperatures below -22°F
(-30°C) or above 167°F (75°C), or by exposure to humidity in excess of 95%. If
a unit exposed to such conditions fails to operate after it returns to a normal
operating temperature, contact your local service representative.
The MPX R1 doesn't respond to MIDI Program Changes.
The MPX R1 and connected devices must be set to matching MIDI Channels.
Check the connected device (if an MPX 1, check in the System mode MIDI
menu) as well as in the MPX R1 Edit mode to verify MIDI channel selections.
If connected to an MPX 1:
Make sure that Pgm Change in the MPX 1 System mode MIDI menu is set to
On. See MPX 1 User Guide Chapter 6: MIDI Operation for Program Change
messages which may be ignored by the MPX 1.
Check MIDI connections between the units.
Low Voltage
Overheating
Common MIDI
Problems