Marantz SR-73 - Marantz SR-73 Detailed Front Panel Controls; Power, Display, and Basic Controls; Tuner, Memory, and Input Selection Controls; Surround, Tone, and Volume Controls

Front panel features
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POWER switch and STAND BY indicator
When this switch is pressed once, the power turns ON and indica-
tors appear on the display panel. When pressed again, the power
turns OFF and the STAND BY indicator lights up.
SURR. (surround) ON/OFF button
This is the switch turning the surround function ON/OFF.
When this button is in the ON position, the surround mode selected
with the SURR.(surround) button is activated. When it is in the OFF
position, the unit is in the 2-channel stereo mode.
LED display window
Shows the current surround mode, centre mode, etc.
Infrared sensor window
This window receives infrared signals from the remote control. Aim
the remote control at this sensor window for proper signal trans-
mission.
T.{test) TONE button
This button operates only in DOLBY surround mode. When pressed,
a test signal is output to each of the connected speakers in se-
quence.
This function is used to adjust the overall sound volume balance of
your surround system. Sound volume balance is adjusted using the
remote control.
To cancel the test tone, press the button again.
DELAY button
Press this button to display the surround sound delay time for five
seconds. You can change the delay time during this period by
pressing this button.
FL display window
Shows the receiving mode, selections or other various modes.
ACOUSTIC button
The acoustic memory function stores up to 5 sets of the surround
mode, centre mode, delay time and volume set-ups as preset
memories. .
This button is used when presetting or recalling the acoustic memory.
Numeric buttons 1 to 9
Use these buttons for selecting preset numbers of tuner preset
memory or acoustic memory.
0/CL(clear) button .
This button is used as both a 0 number button and as a clear button
in various modes.
P.SCAN (preset scan) button
This button is used to automatically scan the tuner’s preset stations.
When pressed, PRESET SCAN flashes on the display and the tuner
starts scanning the preset stations.
MEMO (memory) button
Press this button to enter the tuner preset memory numbers,
acoustic memory preset numbers or the sleep timer period.
VOLUME control
Adjusts the sound volume. Turn the knob clockwise to increase the
volume.
This control adjusts the volume for the front, centre and surround
speakers simultaneously. Operation is also possible from the remote
control.
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SPEAKERS selector buttons
Use these buttons to select speaker system 1 or 2, or both.
NOTE:
Select speaker system 1 when the surround mode is ON.
If the surround mode is switched ON while both speaker
systems 1 and 2 are selected, the selection of speaker system 2
is cancelled automatically.
SURR. MODE button
This button is used to select the surround mode (DOLBY, MATRIX,
HALL or SIMULATED STEREO). When all surround mode indica-
tors are extinguished, the unit operates in normal stereo playback
mode.
CENTRE MODE button
This button is effective only inthe DOLBY surround mode andis used
to select NORMAL, PHANTOM, or WIDE mode, depending on the
existence and type of centre speaker used in your surround system.
The selected centre mode indicator goes out when surround mode
other than DOLBY is selected.
PHONES socket for stereo headphones
This jack accepts a standard stereo headphone plug.
Note:
Turn the SURROUND MODE off when using the headphones.
SLEEP button
Press to set the sleep timer.
Function buttons
These buttons are used to select the source to be played or recorded.
The indicator will display the selected source.
BASS EQ button
Press this button to provide additional deep bass,especially for
movie soundtracks. Press again to turn the emphasis off.
MODE button
When the FM band is selected, press this button to select the auto
stereo mode or mono mode. The AUTO indicator tights up in the auto
stereo mode.
AM and FM button
Press this button to select the band of the tuner.
Each time the AM button is pressed, the MW band and LW band is
switched alternately.
BASS and TREBLE tone controls
These controls are used to adjust the tone of the sound by boosting
or attenuating the low and high frequencies. The frequency range of
each control is boosted when the control is turned inthe + direction
and attenuated when turned in the —- direction.
TREBLE: Adjusts the tone of high-frequency sound.
BASS: Adjusts the tone of low-frequency sound.
PRESET UP and DOWN buttons
During tuner reception, press these buttons to increase or decrease
the preset channel number.
TUNING UP and DOWN buttons
During tuner reception, press these buttons to increase or decrease
the receiving frequency.
BALANCE control
Adjusts the sound balance between the left and right speakers and
headphones.