Just a reminder.... The current version of the MR-88 firmware is v1.11. I called McIntosh when my MR-88 started leaving "ghosts" of the tuning indicator as I tuned the MR-88. v1.11 fixed this issue. In addition, the v1.11 firmware update does not mess up if you perform the update under Windows 7, 8.1, or 10. It's a fairly easy update and was well worth it for me. You can get it from McIntosh customer service. I can also provide you with the firmware update if you PM me.
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