LTO AMX 220FX-USB, Руководство по обслуживанию

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MAIN MIX LEVEL potentiometer to max, the LED LEVEL will light up in return, the
output of MAIN MIX OUTPUT will match with the LED LEVEL. (Whenever the LED
point at which level, it will appear the corresponding level value).
b. Rotate the TRIM knob in clockwise; the PEAK led will light up (red)
c. Input +15dBu to AP, connect the unbalanced input to LINE IN9~16, press the LEVEL
+dBu/-10dBV key, the PEAK led will light up (red).
5. Frequency Response Test:
1). Input +15dBu to AP, connect the unbalanced input to LINE IN1~8, the unbalanced
output to INSERT, please see the following picture about the variation of ON and OFF
on LOW CUT.
2). Input +15dBu to AP, connect the unbalanced input to LINE IN1~8, the unbalanced
output to MAIN MIX OUTPUT, push the CH LEVEL to 0, we can see the max and min
variation about HI and LOW on EQ,
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