Input Sensitivity - Kenwood KAC-X4R Manual De Instrucciones

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Input Sensitivity

This amplifier features a digital signal processor (DSP).
By processing signals digitally, finer equalization and filtering
are possible.
Input sensitivity is important to efficiently convert analog
signals to digital signals. If the input signal is too high, sound
is distorted. If it is too soft, sound quality deteriorates.
Adjusting input sensitivity
2CAUTION
• Be sure to disconnect speakers before adjusting input sensitivity.
• The test disc includes high volume test signals. Speakers may be damaged if input
sensitivity is adjusted while connected.
• Do not use the test disc for purposes other than adjusting input sensitivity.
1 Disconnect the speakers.
2 Turn the audio system on.
3 Playback Track 2 in Test tone Disc with a CD receiver or other device.
Track 2 is 3 minutes long.
4 Set the device to the loudest volume you listen to.
For example, if this volume is approximately 80% of the maximum volume, the
volume is 30 on a device where volume can be set between 0 and 35.
5 Turn the input sensitivity control counterclockwise and set A.ch and B.ch to
MIN.
6 Turn the input sensitivity control for A.ch clockwise (towards MAX) until the
"OVER" indicator lights.
7 Slowly turn the input sensitivity control for A.ch counterclockwise (towards
MIN) until the "OVER" indicator turns off.
8 Turn the input sensitivity control for B.ch clockwise (towards MAX) until the
"OVER" indicator lights.
9 Slowly turn the input sensitivity control for B.ch counterclockwise (towards
MIN) until the "OVER" indicator turns off.
The setting where the "OVER" indicator turns off for A.ch and B.ch is the optimum
input sensitivity.
10 Turn the audio system off and connect the speakers.
NOTE
• To fine tune while listening to music
- If there is not enough volume: Turn the input sensitivity control clockwise
(towards MAX).
- If there is too much volume: Turn the input sensitivity control counterclockwise
(towards MIN).
Contents of the Test tone Disc
Track 1: Warning announcement (English and Japanese)
Track 2: Test tone (Sinusoidal-wave, 100 Hz, 0 dB)
10
English
High input
sensitivity
Optimum
sensitivity
Low input
sensitivity
10 minutes
3 minutes
Conversion
Over
range
Conversion
Optimum
range
Conversion range
Conversion
range
is not fully utilized
Input sensitivity control

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