Pioneer A-107 Operation Instructions Manual page 7

5
BALANCE control
Should normally be left in the center position. Adjust balance
if the sound is louder from one of the speakers. If the right side
is louder, turn toward the L (left) position and if the left side is
louder, turn toward the R (right) position.
NOTE:
This control does not operate when the DIRECT button is in
the on position.
6
DIRECT button/indicator
Use this button when you do not wish to pass the output from
input terminal equipment through the various frequency ad-
justing circuits (BASS, TREBLE, BALANCE, LOUDNESS).
On : The indicator lights: The signals passing through the
input terminals are reproduced without passing through
the various frequency adjusting circuits. This results in
flat, pure sound which is a more faithful reproduction of
the input source.
Off : The indicator goes off: The signal passes through the
various frequency adjusting circuits.
7
LOUDNESS button/indicator
Use when listening at low volume levels.
On : The indicator lights: Boosts low and high frequencies to
give added punch to playback even at a low volume
level.
Off : The indicator goes off: Should normally be left in this
position.
NOTE:
This button does not operate when the DIRECT button is in
the on position.
8
TREBLE tone control
Use to adjust the high-frequency tone. The center position is
the flat (normal) position. When turned to the right, high-
frequency tones are emphasized; when turned to the left,
high-frequency tones are de-emphasized.
NOTE:
This control does not operate when the DIRECT button is in
the on position.
9
BASS tone control
Use to adjust the low-frequency tone. The center position is
the flat (normal) position. When turned to the right, low-
frequency tones are emphasized; when turned to the left,
low-frequency tones are de-emphasized.
NOTE:
This control does not operate when the DIRECT button is in
the on position.
0
PHONES jack
When using headphones, insert the plug into this jack.
NOTE:
The speakers continue to output sound even when head-
phones are plugged into this jack.
To mute the sound from the speakers, press the SPEAKERS
button to OFF.
-
SPEAKERS button/indicator
Use this button to listen to the speaker system connected to
the SPEAKERS terminals.
On : The indicator lights. Sound is heard from the speaker
system.
Off : The indicator goes off. No sound is heard from the
speaker system. Set to this position when listening with
headphones.
PANEL FACILITIES
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