10
Power On
Press the POWER push-button to turn the MA6450 on
and off.
Note: The red LED above the push-button stays on
whenever the MA6450 power cord is connected to a
live outlet. You may also turn the MA6450 on and off
using the HR033 Remote Control.
NOTE: You may also turn on the MA6450 using the HR033
Remote Control.
Source Selection
Select the desired listening source with the Input Switch.
Tape Mon 1 and 2
Press a TAPE MON (Tape Monitor) push-button to play-
back a previously recorded tape or monitor a tape playback
during the recording process.
NOTE: The TAPE MON push-buttons are electronically
interlocked so only one recorder playback can be
selected at a time. If a 3 head tape recorder is being
used, you can monitor the tape playback during the
recording process by pressing the appropriate TAPE
MON push-button.
Volume Control
Adjust the VOLUME control for the desired listening
level.
Balance Control
Adjust the BALANCE control as needed to
achieve approximately equal listening volume
levels in each loudspeaker. Turn the BAL-
ANCE to the Left to emphasize the left channel
by reducing the level of the right channel. Turn
the BALANCE to the right to emphasize the
right channel by reducing the level of the left
channel.
Bass and Treble Controls
Adjust the BASS and TREBLE controls to suit
your listening preferences. The bass or treble
intensity can be increased with clockwise rota-
tion and decreased with counterclockwise rota-
How to Operate the MA6450
How to Operate the MA6450
tion. All tone control circuit elements are removed from the
signal path when the controls are in the center or flat posi-
tion.
Loudness Control
After first setting the desired listening volume, rotate the
LOUDNESS control clockwise to increase the intensity of
the bass according to your listening preference. When the
LOUDNESS control is in the fully counter clockwise or
flat position, all loudness circuit elements are removed
from the signal path.
Mono
Press the MONO push-button to combine left and right ste-
reo signals to mono at MAIN OUTPUT and SPEAKERS 1
and 2.
Mute
Press MUTE on the Remote Control to mute audio in the
MAIN OUTPUT and SPEAKERS 1 and 2. Press again,
select another Input or press a Tape Mon push-button to
unmute.
NOTE: When the MA6450 is in Mute, the Speakers push-
buttons, Mono push-button and Tape Copy push-buttons
are inoperative.
Figure 1
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