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8
ENGLISH
FUNCTION AND OPERATION
AMP
1, 2, 3
INFO
REMOTE CONTROL CODE SETTING
The remote control  unit contains 3 sets of remote 
control codes, and it can be used to control up to 3 
receivers in one location. To control a second or third 
receiver, select the remote control code as explained 
below. The selected receiver can be operated from 
the remote control.
• When the unit is shipped from the factory, the main 
unit and remote control are set to RECEIVER1.
 1.
 RECEIVER2
To  set the remote control to RECEIVER2, 
hold down both the AMP button and 2 number 
button  on the remote control for at least fi ve 
seconds.
  RECEIVER3
To  set the remote control to RECEIVER3, 
hold down both the AMP button and 3 number 
button  on the remote control for at least fi ve 
seconds.
 
2.
  Also set the main unit's remote control setting 
to the same  setting  as the remote control. To 
change main  unit's remote control  setting, 
hold down both the AMP  and  INFO  buttons 
on the remote control; the remote control 
setting (“RECEIVER 1”, “RECEIVER 2” or 
“RECEIVER 3”) will be displayed in the display 
window on the main unit and main unit setting 
will be changed  same  setting  as remote 
control.
Notes
•  To set the remote control back to RECEIVER1, hold 
down both the AMP button and 1 number button on 
the remote control for at least fi ve seconds.
•  If the batteries in the remote control are replaced 
while the remote control is set to RECEIVER2 or 
RECEIVER3, the setting will revert to RECEIVER1.
CONNECTIONS
CONNECTING SPEAKERS
System 2
Right
Left
IN
IN
PHONO
IN
IN
OUT
IN
OUT
DSS
AUX
VIDEO
CONTROL
REMOTE
GND
VCR
IN
OUT
L
IN
OUT
IN
OUT
OUT
IN
IN
IN
IN
OUT
IN
IN
(CD-R)
(TAPE)
AUX
CD
DSS
PRE
DVD
RECORDER 2
MAIN
VCR
RECORDER 1
IN
R
DVD
AUDIO
R
MONITOR
FLASHER
AC IN
L
R
L
MODEL NO. SR4021
MODEL NO. SR4021
SPEAKER SYSTEMS
AM
FM (75   )
GND
ANTENNA
SYSTEM
2
SYSTEM
1
SYSTEM 1 : MINIMUM 8 OHMS
SYSTEM 2 : MINIMUM 8 OHMS
UNSWITCHED
1.25A 150W
SWITCHED
1.25A 150W
AC OUTLETS
120V     60Hz
R
L
R
L
System 1
Right
Left
CONNECTING SPEAKER WIRE
1.
2.
3.
4.
5.
3/8inch
(10 mm)
 1.
  Strip away approx. 3/8inch (10 mm) of wire 
insulation.
 2.
 Twist the bared wire ends tight, to prevent short 
circuits.
 
3.
  Loosen the knob by turning it counterclockwise.
 
4.
  Insert the bare part of the wire into the hole in 
side of each terminal.
 5.
 Tighten the knob by turning it clockwise to 
secure the wire.
Caution:
•  Be sure to use speakers with the specifi ed impedance 
as shown on the rear panel of this unit.
• To prevent damage to circuitry, do not let the bare 
speaker wires touch each other and do not let them 
touch any metal part of this unit.
• Do not touch the speaker terminals when the power 
is on. It may cause you to receive an electric shocks.
• Do not connect more than one speaker cable to one 
speaker terminal. Doing so may damage this unit.
Note:
Be sure to connect the positive and negative cables for 
the speaker properly. If they are miss-connected, the 
signal phase will be reversed and the signal quality 
will be corrupted.