Optimizer microphone

1 Connect the supplied optimizer microphone to the AUTO CAL MIC jack.

2 Set up the optimizer microphone.

Place the optimizer microphone at your seating position. Use a stool or tripod so that the optimizer microphone remains at the same height as your ears. Orient the L end of the optimizer microphone toward the front left speaker and the R end of the optimizer microphone toward the front right speaker.

Note

When you position the optimizer microphone at the center of the two speakers, if the angle between the two speakers is too narrow, the optimizer microphone cannot measure the left and right speakers properly.

On setting up the active subwoofer

•When a subwoofer is connected, turn on the subwoofer and turn up the volume beforehand. Turn the MASTER VOLUME knob to just before the mid-point.

•If you connect a subwoofer with the crossover frequency function, set the value to maximum.

•If you connect a subwoofer with an auto standby function, set it to off (deactivated).

Note

Depending on the characteristics of the subwoofer you are using, the setup distance value may be further away from the actual position.

To use the receiver as a pre- amplifier

You can use the auto calibration function when you use the receiver as a pre-amplifier.

In this case, the distance value shown on the display may differ from the actual distance value. However, there will be no problems even if you continue to use the receiver with that value.

Performing auto calibration

The auto calibration function allows you to measure the following:

•Speaker connectionsa)

•Polarity of speakers

•Speaker distanceb)

•Speaker angleb)

•Speaker sizeb)

•Speaker level

•Frequency characteristicsc)

a)This receiver corrects signals by analog downmix processing only for the center speaker and subwoofer when the multi-channel input is selected. The correction is invalid for other speakers.

b)The measurement result is not utilized when the multi-channel input is selected.

c)• Signals with a sampling frequency of higher than 96 kHz are always played back at either 44.1 kHz or 48 kHz.

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49GB