4.3 Audio Performance Test
4-15
4
Performance Test
7. Set the MS2830A as below.
Waveform : Tones
Tone1 Freq: 1 kHz
Tone1 Level: 3500 mV rms
8. Set Output Tone1 of the MS2830A to On to turn On the signal
output.
9. Measure the level (mV rms) by Analyzer Channel 1 of the U8903A.
10. Calculate the input level accuracy of these channels by the formula
below.
Output level accuracy = 20 × log(Measured value/Output level)
11. Set the level of No. 2 or of bigger number in Table 4.3.5-2 for Tone1
Level of the MS2830A and repeat Steps 7 through 11.
12. Perform the Audio Generator setting on the MS2830A as below.
● Output Type: Bal.
13. Set the MS2830A as below.
Waveform : Tones
Tone1 Freq: 1 kHz
Tone1 Level: 7000 mV rms
14. Repeat Steps 8 through 11.
15. Set Output Tone1 of the MS2830A to Off to turn Off the signal
output.
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