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Front Panel Indicator Lamp
The small blue LED lamp indicates that
the power is connected to the amplifier
and that the power switch is in the
ON position. If the amplifier detects
a fault or short circuit in the output
connections then it will go into a
protection mode and stop playing.
If this occurs toggle the power switch
to the OFF position and check the
speaker cabling to insure that no
speaker output is either shorted
together or connected to a ground.
When you are certain that the loud-
speaker cabling is correct then power
the unit ON again and insure that the
Blue lamp is lit and that music will
play.
Fuse Protection
There is internal fuse protection in the
amplifier. If the power switch is in the
ON position, the power cable is con-
nected to a functioning power outlet at
the correct voltage and the Blue lamp
is not lit, this indicates that the internal
fuse may have blown. If this occurs
contact your dealer, distributor or Bel
Canto for service. There are no user
replaceable fuses or other parts.
Opening the chassis will void your
warranty.
page 8© 2005 bel canto design, Ltd.
1) Check that the RCA/XLR switch is in
the correct position for the type of
connection being used.
2) Insure that the preamplifier or any
source components are not producing
hum by setting the preamplifier to a
MUTE or Standby setting.
3) The design of the amplifier reduces
the chance for ground loop induced
hum but we still recommend that
you use shorter interconnect cables
to the preamplifier and connect all
power cables to a common outlet
box or power conditioner unit to
reduce the possibility for ground
current noise being induced into the
audio signal path.
What to do if there is hum or ground noise:
S300/M300 User’
s Guide 1205 Rev
.B