Korg PA 500, Руководство по обслуживанию

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<<LINE INPUT>>
This is measurement output corresponding to input. Push [START/STOP] to proceed.
[VOLUME] slider: Max,
Equipment: LPF 20z, PSOPHO:no, MODE: AC LEVEL
Oscillator: Sine-wave 1KHz, +4dBm
Measurement and Reference level
Measurement must be done at the same time INPUT LEVEL and Crosstalk of same number.
Item Measuring Channel Reference level Note
1
2
LINE INPUT LEVEL
LINE INPUT LEVEL
OUTPUT L/MONO
OUTPUT R
1.5 - 5.5[dBm]
1.5 - 5.5[dBm]
Signal to INPUT L/MONO
Signal to INPUT R
<<Distortion>>
This is measurement of distortion. Push the [START/STOP] to proceed the check.
[VOLUME] slider: max,
Equipment: LPF 20KHz, PSOPHO: no, MODE DSTN
Oscillator: Sine-wave 1KHz, +4 dBm for OUTPUTL,R -6dBm for PHONES L,R
For PHONES: 33OHM Load
Item Measuring Channel Reference level Note
1
2
3
4
DISTORTION
DISTORTION
DISTORTION
DISTORTION
OUTPUT L/MONO
OUTPUT R
PHONES L
PHONES R
Less than 0.0100[%]
Less than 0.0100[%]
Less than 0.1500[%]
Less than 0.1500[%]
Signal to INPUT L/MONO
Signal to INPUT R
Signal to INPUT L/MONO
Signal to INPUT R
<<Noise Level>>
This is measurement of noise. Press the [START/STOP] to proceed the check.
[VOLUME] slider: max,
Equipment: LPF 20KHz, PSOPHO: A MODE AC LEVEL
Oscillator: stop output
Item Measuring Channel Reference level Note
1
2
3
4
Noise Level
Noise Level
Noise Level
Noise Level
OUTPUT L/MONO
OUTPUT R
PHONES L
PHONES R
Less than -90.00[dBm]
Less than -90.00[dBm]
Less than -80.00[dBm]
Less than -80.00[dBm]
33 OHM load
33 OHM load