Technics SU-A900

Front Panel Controls and Functions
[T] Power “STANDBY 6/ON” switch
(POWER, * STANDBY 6 m 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.
I~2l 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 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 will
not illuminate.
f3l 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)
[Si 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 listen to a phono disc, radio broadcast,
compact disc, etc.
(See pages 8 and 10.)
[6] Remote control signal receptor (SENSOR)
Receives the signals from the remote control.
\7\ Headphones Jack (PHONES)
(See page 9.)
I~8"l Speaker select buttons/lndlcators
(SPEAKERS)
These select buttons are used to select the speakers to be
used. (See page 8.)
H] 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.
M Balance control (BALANCE)
This control is used to adjust the left/right volume balance.
liil 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.)
|T§ 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.