ART Pro Audio HD-131 - Single 31 Band Graphic Equalizer User Manual
Page 9
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9
REAR PANEL CONNECTORS & CONTROLS
8. POWER CORD
This cord is used to connect the AC power source to your equalizer. CAUTION: Equipment for USA
installation includes a power cord with a three pin polarized plug. DO NOT REMOVE THE CENTER
GROUNDING PIN.
9. FUSE HOLDER
This fuse holder contains the AC primary fuse. This fuse should be replaced with the same type fuse
if it is blown. If they continuously blow, stop replacing fuses and refer servicing to qualified personnel.
CAUTION: After checking the AC supply voltage, be sure that the correct fuse is in the fuse holder -
0.5Amp for 95-125VAC, as well for 220-240VAC. The orientation of the fuse holder determines the
line voltage range and is labeled on the rear of the holder. When changing the fuse, make sure that
you insert the holder in the correct orientation for your local line voltage.
10. GROUND LIFT SWITCH
This switch is used to disconnect signal ground from the mains and chassis earth ground. You may
set the switch to the LIFT position if ”Hum”, caused by a ground loop, can be heard at the speakers.