Pioneer VSX-S510-S - Manual (Page 25)

Basic Setup 3 3
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Other problems when using the Auto MCACC
setup
If the room environment is not optimal for the Auto MCACC
setup (too much background noise, echo off the walls,
obstacles blocking the speakers from the microphone) the
final settings may be incorrect. Check for household
appliances (air conditioner, fridge, fan, etc.), that may be
affecting the environment and switch them off if necessary. If
there are any instructions showing in the front panel display,
please follow them.
• Some older TVs may interfere with the operation of the
microphone. If this seems to be happening, switch off the
TV when doing the Auto MCACC setup.