Yamaha AX-400 Owner's Manual page 7

The Front Panel illustration is provided on page 34.
®POWER SWITCH (POWER)
Press once to turn the power ON and once again to
turn the power OFF. Before turning the power ON
set the volume to its lowest position (extreme
counterclockwise}, to protect the speakers from any
sudden high level sound.
@ POWER ON INDICATOR
liluminated when power is ON.
@ SPEAKERS SWITCHES (SPEAKERS)
As one or two speaker systems can be connected
to the AX-400/U, these switches allow you to select
speaker system A, B or both at once. When listening
to the headphones only press both the A and B
switches to the OFF position. |
@ INPUT SELECTOR PANEL
Selects the program source you wish to listen to.
The LED indicator above the selected source will
light up.
The following is an example of signal channelling
when you selectcombinations oftheCDandthe Tape
1 and 2 components via the Input Selector Panel.
LED
s ee indication
CD+TAPE 1 ТАРЕ 1 || CD+TAPE 1
CD-+TAPE 2 y+)
TAPE 2 || CD+TAPE 2
CD+TAPE 1 CD+TAPE 1
+ТАРЕ 2 | Er +TAPE 2
@ VOLUME CONTROL KNOB (VOLUME)
This controls the sound level. Turning clockwise
increases the sound volume and turning counter-
clockwise decreases it. Set this knob tothe minimum
level before turning the power ON or using the Input
Selector Panel to select a different sound source,
therefore, protecting the speakers from any sudden
@ HEADPHONES JACK (PHONES)
Stereo headphones with a standard plug can be
connected to this jack. When listening to the head-
phones only press both the A and B switches to the
OFF position.
@ BASS CONTROL KNOB (BASS)
This knob controls bass response. Turn it clockwise
to boost or counterclockwise to attenuate bass re-
sponse. When this knob is in the center defeat po-
sition a flat response is obtained.
@ TREBLE CONTROL KNOB (TREBLE)
This knob controls treble response.Turn it clockwise
to boost or counterclockwise to attenuate treble re-
sponse. When this knob is in the center defeat po-
sition a flat response is obtained.
© BALANCE CONTROL KNOB (BALANCE)
This knob is used to adjust the relative volume of the
left and right channels, enabling you to compensate
for unbalance created by installation locations of the
speakers.
@ PHONO SELECTOR SWITCH (PHONO)
Selects either MM (moving magnet) or MC (moving
coil) position to match your cartridge.
@ LOUDNESS CONTROL KNOB (LOUDNESS)
This control provides compensation for the human
ear's loss of sensitivity to high and low frequency
ranges at low volumes. As the amount of compen-
sation required is determined by the listening level,
this control provides the most accurate compen-
sation for any listening level. Setitto the flat position
while the volume control is set to your normal lis-
tening level. Turning it counterclockwise will de-
crease the volume while retaining the natural bal-
ance of low and high frequencies.
LOUDNESS
VOLUME
Set Loudness to the Flat
position and increase the
Volume to loudest level
desired.
LOUDNESS
Turn Loudness control
knob counterclockwise
to reduce the volume.