Yamaha HTR5540OM Owner's Manual page 16

SPEAKER SETUP
I IMPEDANCE SELECTOR switch
WARNING
Do not change setting of the IMPEDANCE SELECTOR switch when the power of this unit is on, this may damage
the unit. If this unit fails to turn on when STANDBY/ON (or POWER) is pressed, the IMPEDANCE SELECTOR
switch may not be fully slid to either position. If so, slide the switch all the way to either position when this unit is in
the standby mode.
Select the switch position (left or right) according to the impedance of the speakers in your system. Be sure to move this
switch only when this unit is in the standby mode.
SPEAKERS
REAR
R MAIN L R
(SURROUND)
IMPEDANCE SELECTOR
SET BEFORE POWER ON
MAIN : 4ΩMIN. /SPEAKER MAIN : 8ΩMIN. /SPEAKER
CENTER : 6ΩMIN. /SPEAKER CENTER : 8ΩMIN. /SPEAKER
REAR : 6ΩMIN. /SPEAKER REAR : 8ΩMIN. /SPEAKER
(U.S.A. model)
12
L CENTER
Switch Speaker
position
Main The impedance of each speaker must
be 4 Ω or higher.
The impedance must be 6 Ω or
Left Center
higher.
Rear The impedance of each speaker must
be 6 Ω or higher.
Main The impedance of each speaker must
be 8 Ω or higher.
The impedance must be 8 Ω or
Right Center
higher.
Rear The impedance of each speaker must
be 8 Ω or higher.
Impedance level