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English
2 as.
INSTALLATION
_ Install the amplifier:in a place free from direct sun-.
light.and heat froma stove and moisture free:place, .
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Bag
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CAUTIONS.
. Amplifier heat loss
1. When measuring the power output or listening to
program sources with an 8 ohms load impedance,
Since this unit is included a large output power am-
do not drive the Model HA-3 at full power for a.
plifier, the amplifier radiates heat.
Although ventila-
long period of time.
'a
tion holes are provided in the upper part of the case
Set the Power switch © to ON. The sound is heard
after approx. 6 sec.
If the sound is not heard after
approx. 6 sec. or the protection circuit starts opera-
tion immediately, turn the Power switch @ to OFF,
and check whether the speakers are properly con-
nected
and
whether
the
speaker
terminals
or
speaker leads have been short-circuited. Then elim-
inate the cause of trouble, set the Power switch @
to ON again after waiting for about 10 sec. with the
Power switch @ at OFF.
If the unit still does not
work, contact the dealer from whom you purchased
this unit or your nearest HITACHI service station.
@ Power switch
When this switch is set to ON ( =
), the power is
supplied to the amplifier and the Function indicator
@ lights. The HA-3 contains a muting relay and so
it takes about 6 seconds after this switch has been
set
to ON
( «)
for the
amplifier
to operate
normally.
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