Operation Manual
12
ENGLISH
TEMPORARILY TURNING OFF THE SOUND
2
SOURCE
DIRECT
T
-MODE
DVD
DOWN
VOLUME
UP
MUTEMUTE
To temporarily silence all speaker outputs  such as 
when interrupted by a phone call, press the MUTE 
button on the front panel or MUTE button on the 
remote. 
This will interrupt the output to all speakers and the 
head-phone jack, but it will not affect any recording 
or dubbing that may be in progress. 
When the system is muted, the display will show 
“MUTE ON” . 
Press the MUTE button again to return to normal 
operation.
BASIC OPERATION 
(PLAY BACK)
SELECTING AN INPUT SOURCE
Before you can listen to any input media, you must 
fi rst select the input source on the SR4021.
Example : DVD
RECORDER
F/PBAND
BALANCE SPEAKERS
2
VCR
T-MODEAUTO TUNE
1
DVDDSS21AUX
DOWN
MUTE
To  select DVD, simply press the DVD button on the 
front panel or press the DVD button on the remote. 
After you have selected DVD, simply turn on the DVD 
player and play the DVD.
• The input name will appear in the display on the 
front-panel.
• When an audio source is selected, the last video 
input  used remains routed to the VCR Output 
and 
Monitor Output. This permits simultaneous 
viewing and listening to different sources.
• When a Video source is  selected, the video 
signal for that input will be routed to the Monitor 
Output jack and will be viewable on a TV monitor 
connected to the SR4021. 
ADJUSTING THE MAIN VOLUME
2
SOURCE
DIRECT
T
-MODE
DVD
DOWN
VOLUME
UP
MUTE
DOWN
VOLUME
UP
Adjust the volume to a comfortable level using 
the VOLUME control knob on the front panel or 
VOLUME 3 / 4 buttons on the remote.
To increase the volume, turn the VOLUME knob 
clockwise or press VOLUME 3 button on the remote, 
to decrease the volume, turn counterclockwise or 
press VOLUME 4 button on the remote.
Note:
The volume can be adjusted within the range of – 80 
to 0 dB, in steps of 1 dB. 
ADJUSTING THE TONE (BASS & TREBLE) 
AND BALANCE CONTROL
RECORDER
F/PBAND
BALANCE
SPEAKERS
DISPLAY OFF
2
1
BASS
TREBLE
CLEAR
MEMORY
21
A
TUNERCDPHONO
MULTI JOG
RECEIVER SR4021
SLEEP DIMMER
STANDBY
PHONES
POWER ON/OFF
BALANCE
BASS
TREBLE
During a listening session you may wish to adjust the 
Bass and Treble Control and Balance Control to suit 
your listening tastes or room acoustics.
(Using the SR4021)
1.
 Press the BASS, TREBLE and  BALANCE 
buttons on the front panel to select your desired 
control.
2.
 Turn the MULTI JOG knob to adjust the 
control.
BALANCE: Turn the knob clockwise to decrease 
volume of the left channel and turn the 
knob counter clockwise to decrease 
volume of the right channel.
TREBLE: Turning the knob clockwise enhance 
the high frequency band, while turning 
counterclockwise attenuates the high 
frequency band.
BASS: Turning the knob clockwise enhance 
the low frequency band, while turning 
counterclockwise attenuates the low 
frequency band.
(Using the remote control unit)
To adjust the bass effect, press BASS 3 or BASS 4 
on the remote.
To adjust the treble effect, press TREBLE 3 or 
TREBLE 4 on the remote.
Balance Control cannot be adjusted with the remote 
control unit.
Note:
When Source Direct mode is set, tone control is disable.










