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'Technics
[1] Power switch (power)
[2] Operation indicators
(amplifier operation monitor)
These
indicators
illuminate
to
indicate
the
operating
condition of this unit.
voltage control:
When the power is switched ON, this indicator illuminates
when the unit is in the operation condition.
current drive:
When the power is switched ON, this indicator illuminates
after about 4 seconds when the unit is in the operation condi-
tion.
If an-abnormal condition in the circuitry is detected, such as
DC voltage appearing in the output, or a short-circuit of the
positive (+) and negative (—) wires from the speaker ter-
minals, the protection circuit functions and this indicator
does not illuminate.
[3] Power amplifier direct switch
(power amp direct)
This switch is used to listen to the sound from a component
connected to the "POWER AMP DIRECT" terminals.
When this switch is pressed inward to the ''on"' position, a
superior level of tone quality can be obtained, because the
signals from the component connected to the "POWER AMP
DIRECT" terminals are sent directly to the volume contro!
and power
amp section of this unit. The mode
selector,
loudness switch, balance control and tone control circuit are
bypassed.
[4] Volume control/indicator (volume)
There are two types of volume scale indications: one for
when the power amplifier direct switch is OFF, and one for
when it is ON (indicator will illurninate.).
[5| Input selector (input selector)
This selector is used to select the sound source to be heard,
such as a disc, radio broadcast, etc.
[6] Recording output selector (rec selector)
This selector is used to select the sound source to be record-
ed by the connected tape deck 1 and/or tape deck 2.
Phono cartridge selector (phono selector)
This selector should be set to the position which corresponds
to the type of cartridge used on the turntable.
Mode selector (mode)
This selector is used to select stereo or monaural operation.
[9] Loudness switch (loudness)
This switch is used when listening to music at a low volume
level. Auditory perception of sound in the low frequency range
falls off at low volume, but when the switch is set to the '"'on"
position, this deficiency is compensated for, so that the full im-
pact of the musical performance can be enjoyed.
Tone control switch (tone control)
This switch is used to turn the tone control circuit (bass,
treble) on or off.
11] Balance control (balance)
This control is used to adjust the left/right volume balance.
[12] Tone controls (bass/treble)
The bass control is used to adjust the low-frequency sound
range, and the treble control is used
to adjust the high-
frequency sound range.
[13] Speaker selectors (speakers)
These selectors are used to turn the speaker systems on and
off.
Headphones jack (phones)
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