USER MANUAL
iA480X
Power amplifier
Front panel operation
PROTECT INDICATOR
This LED lights up for a few seconds after the iA 480X is powered on and then
turns off if the amplifier is not damaged. This LED also lights when overheating
or other service problems occur. It is normal for the protection LED to fade
slowly when the amplifier is powered off.
SIGNAL CLIPPING INDICATOR
Lights whenever the channel is outputting signal at full strength and signal is
distorted. Reduce signal level to ensure undistorted output signal.
SIGNAL INDICATOR
LED in the front panel indicates audio signal of the amplifier.
POWER INDICATOR
This LED indicates status of the main power. The LED lights up if the amplifier is
powered on.
POWER SWITCH
Power switch is hided with cover to prevent illegal or incidental use. Remove
cover using Phillips screwdriver and use this switch to power on or off the am
-
plifier. The power LED in the front panel lights up if the amplifier is powered on.
Rear panel operation
COOLING VENT
Cool air is pulled in through the front panel fan filters and eliminated through
the rear panel vents.
VOLTAGE SELECTOR
This switch is used to set the input voltage to the power supply. Setting the
power supply voltage switch to the incorrect input voltage could damage the
amplifier. The correct voltage is determined by the country where the amplifier
will be used.
MAIN POWER CONNECTOR
Power connector is designed for main powers connecting to amplifier. This
connector is combined with fuse holder.
HOLDER FOR AC FUSE
Please use 10A, 250V fuse if amplifier is used in ~230V 50Hz electricity system
and 20A, 250V fuse if amplifier is used in ~115V 60Hz system.
LINK FOR DC 24V POWER SUPPLY
This connector is designed to link the DC 24V power to additional amplifier. DC
IN and DC LINK connectors are connected with each other directly, inside the
amplifier.
05
Operation
Содержание iA 480X
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