Technics SU-A900 Operating Instructions Manual page 7

[1] Power "STANDBY () ION" switch
(POWER, m STANDBY Ò = ON) |
Press to switch the unit from on to standby mode or vice ver-
sa, In standby mode, the unit is still consuming a small
amount of power,
[2] Operation indicators
(AMPLIFIER OPERATION MONITOR)
These indicators illuminate to indicate the operating condi-
tion of this unit.
VOLTAGE CONTROL:
When the power is switched ON, this indicator illuminates
when the unit is in the operating condition.
CURRENT DRIVE:
When the power is switched ON, this indicator illuminates
after about 4 seconds when the unit is in the operating condi-
tion.
If an abnormat 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 will
not illuminate.
[3] Tone control button (TONE)
This switch is used to set the tone control circuit (bass, tre-
ble) to ON or DEFEAT.
[4] Volume control (VOLUME)
[5] Tape-monitor button/indicators
(TAPE MONITOR)
This button is used to monitor the recorded sound during
recording.
TAPE 1
Set to this position to monitor the sound from the equipment
connected to the "TAPE 1" terminals.
TAPE 2
Set to this position to monitor the sound from the equipment
connected to the "TAPE 2" terminals.
SOURCE
Set to this position to tisten to a phono disc, radio broadcast,
compact disc, etc.
(See pages 8 and 10.)
To open the
panel cover
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[7] Headphones Jack (PHONES)
(See page 9.)
Speaker select buttons/indicators
(SPEAKERS)
These select buttons are used to select the speakers to be
used, (See page 8.)
Tone controls (BASS/TREBLE)
The bass control Is used to adjust the low-frequency sound
tange, and the treble contro! is used to adjust the high-
frequency sound range.
Balance control (BALANCE)
This control is used to adjust the left/right volume balance.
[11] Input selectors/indicators
(INPUT SELECTOR)
These selectors are used to select the sound source to be
heard, such as a disc, radio broadcast, etc.
The input source can be selected either by sequentially
changing the selection or by direct selection. (See page 8.)
[12] Phono cartridge selector
(PHONO SELECTOR)
This selector should be set to the position which cor-
responds to the type of cartridge used on the turntable.