FRONT PANEL CONTROLS 5
1
Main Power Switch: Press this button to
apply power to the HK 3470. When the switch is
pressed in the unit is placed in a Standby mode,
as indicated by the amber LED
3
surrounding
the System Power Control
2
. This button
MUST be pressed in to operate the unit.To turn
the unit off completely and prevent the use of
the remote control, this switch should be
pressed until it pops out from the front panel so
that the word “OFF” may be read at the top of
the switch.
NOTE: In normal operation this switch is left in
the “ON” position.
2
System Power Control: When the Main
Power Switch
1
is “ON,” press this button to
turn on the HK 3470; press it again to turn the
unit off (to Standby). Note that the Power Indi-
cator surrounding the switch
3
will turn green
when the unit is on.
3
Power Indicator: This LED will illuminate in
amber when the unit is in the Standby mode to
signal that the unit is ready to be turned on.
When the unit is in operation, the indicator will
turn green. A red indicator means that the unit is
in the Protect mode, and should be turned off
and then checked for a possible speaker wire
short circuit.
4
Headphone Jack: This jack may be used to
listen to the HK 3470’s output through a pair of
headphones. Be certain that the headphones
have a standard 6,3 mm stereo phone plug.
5
Mute: Press this button to momentarily
silence the speaker and preamp output of the
HK 3470.
6
Speakers 1 Selector: Press this button to
turn the speakers connected to the Speaker 1
output terminals
on or off.
7
Speakers 2 Selector: Press this button to
turn the speakers connected to the Speaker 2
output terminals
on or off.
Front Panel Controls
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