Pioneer SA-708 - Front Panel Facilities; Power, Speaker & Muting Controls; Volume, Headphone & Indicators

2.FRONT PANEL FACILITIES
@ POWER SWITCH
Set this switch to ON to supply power to the
amplifier. There will be a short delay when it is
set to ON, because the muting circuit has been
actuated to suppress the unpleasant noise that is
sometimes generated when the power is on and
off.
@ SPEAKER SELECTOR
Use this selector to select the speaker systems.
OFF: Sound not obtained from speakers.
A: Sound obtained from speakers connected
to the A speaker terminals.
B: Sound obtained from speakers connected
to the B speaker terminals.
A+B: Sound obtained from speakers connected
to both A and B speaker terminals.
@ POWER METER
This meter allows you to read out the rated
power level on the fluorescent display tube when
speakers with a nominal impedance of 8 ohms are
connected to the amplifier’s speaker terminals.
@ FUNCTION INDICATORS
The TUNER, PHONO, AUX function indicators
light up in accordance with the position of the
function selector.
NOTE:
The function indicator will not go off when the tape
monitor switch is set to position “1” or ‘‘2”’.
@ LOUDNESS SWITCH
When listening to a performance with the volume
control turned down, set this switch to ON and
the bass and treble will be accentuated.
When the volume is low, the human ear finds it
harder to hear the bass and treble than when the
volume is high. The loudness switch is thus
designed to compensate for this deficiency. By
setting it to ON, the bass and treble come through
much more strongly and the sound takes on a
punch even when the volume control is turned
down.
@© VOLUME CONTROL
Use this control to adjust the output level to the
speakers and headphones. Turn it clockwise to
increase the output level. No sound will be heard
if you set it to “0”
@ MUTING SWITCH
Set this switch to —20dB to attenuate the audio
output by 20dB. There is no need to adjust the
volume control if you use this switch when turn-
ing down the audio output temporarily and when
changing over records or tapes.
HEADPHONE JACK
Plug the headphones into this jack when you
want to listen through your stereo headphones.
NOTE:
Set the speaker selector to OFF when listening only with
headphones,