Alto EQU231VU-MKII, Руководство по обслуживанию

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8. Turn off the AP input signal and set input level at maximum, the AP setting is as following,
now, it shall be no more than –82dB.
9. Turn on the AP input signal, and set the input level at maximum, the AP setting is as
following, the maximum non-distortion level is +28dBu/+/-1dB and distortion is 1%.
10. Now, the S/N shall be not less than 110dB.
11. Connect AP input and output to Channel 2, repeat steps 1~10.
12. Input a 0dBu signal, adjust the INPUT LEVEL to 0dBu, and AP output shall be 0dBu,
now it shall indicate 0dBu on the VU meter.
13. All slides shall be set in center and all buttons out before shipping.