Meridian 565 Installation Manual page 44

Surround
This test presents the Low test signal through the left and right
rear surround speakers to allow you to adjust the relative phase
and delay between them.
Use > and < to switch between phase and delay.
When setting phase the display shows the absolute phase of the
left surround speaker.
For example:
Use A and V to change the phase of the left surround
speaker.
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Unless there is a fault in the wiring, the correct setting should be
the same phase as you set for the right surround speaker in the
previous calibration stage. Confirm that in this position there is a
more focused central image between the two surround
speakers, as for the Main test.
You should not adjust the delay as this has already been
specified when you time-aligned the layout.
If you have subwoofers or side surround speakers in your
system press Store to proceed to the next calibration stage;
otherwise you have completed the calibration of your speakers.
S u r r L P h s +