Alto AMX-80, Service Manual, Page: 14 / 20

6. Random check
Connect AMX-80 to high quality amplifier and speaker, to check if the sound is normally.
7. The shipment setting of the AMX-80
Set all the volumes knobs to minimum, all the other knobs to middle position, and all the switches
to off position.
Test Complete
5. Frequency Response test
With unbalance input connecting LINE IN of the AMX-80, set the high EQ knob to maximum & low EQ knob to
minimum(the mid EQ to middle position),and use unbalanced output to
connect MAIN OUT. The frequency
response diagram should be as following:
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