PXR MIDI Player Wiki
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PXR Log

The PXR Log is a behind-the-scenes record of what the app is up to. Day to day you will rarely give it a thought, but it is the first place to look when something misbehaves, and the single most useful thing to send when you want to report a problem.

  • Open it with ⌘5 (Display → PXR Log).

What it shows#

  • Files as they load, and any problems reading them.
  • The MIDI output port and device details (including device IDs).
  • Connections and disconnections of MIDI devices.
  • Timing information such as jitter, useful for diagnosing how smooth playback is.

MTC Diagnostics#

If you are chasing an external timecode (MTC) drop-out, turn on MTC Diagnostics in the log. It records every incoming timecode gap and rate change in detail, so a saved log captures exactly what happened on the MIDI bus. Leave it off for normal listening.

Saving and clearing#

  • Save writes the current log to a text file you can keep or attach to a report.
  • Clear empties it.

Reporting a problem#

If you hit an issue, the most useful thing you can include is a saved PXR Log (with MTC Diagnostics turned on first, if it is a sync problem). Send it using the contact form linked in the footer of any page. See also Troubleshooting.

Last updated: 2026-06-13