Technics SU-G700 Operating Instructions Manual page 26

Settings
Using output correction function (LAPC)
You can make the optimum adjustment according to your own speakers.
Measuring the output signal of the
amplifier and correcting its output
(LAPC)
■
Preparation
• Disconnect the headphones.
Test tone emitted during measurement
To ensure the measurement accuracy,
the speakers output a test tone at regular
intervals. (For approximately 3 minutes)
It is not possible to change the volume of the
audio being output while the measurement is
in progress.
1 Press [AMP ] to turn this unit on.
2 Press and hold [LAPC] until "Please
Wait" is displayed.
"LAPC Measuring" is displayed and this unit
will start measuring the output signal of the
amplifier. Check that a test tone is output from
both the left and right speakers.
When the measurement is complete, amplifier
output correction will be automatically turned
on.
• If you press [LAPC] while the measurement is
in progress, it will be cancelled.
• If you connect headphones during amplifier
signal measurement or amplifier output
correction, it will be cancelled.
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Turning on/off the output correction
function
Press [LAPC] to select "On"/"Off".
• LAPC indicator lights and "LAPC : On" is
displayed while the output correction function
is in progress.
Note
• Measurement is not available for the audio
output signal from PRE OUT terminals of this
unit. ( 22)
• Depending on the type of the connected
speakers, the effect of the output correction
function may be minimal.
• The corrected output remains in effect until you
measure the output signal again. When you use
other speakers, redo the measurement.