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3 : 3.LED chart
Signal metering
Color
Light on
channel output level has
reached clipping limits
rED
or
Short circuit protection
has been engaged
channel output level is
GrEEN
above -6 dB of max out-
put level
channel output level is
GrEEN
above -18 dB of max
output level
GrEEN
input signal presence
Status
Color
Light on
GrEEN
channel is ready
output power is being
reduced due to heat sink
YELLoW
temperature exceeding
75° c*
* Should the temperature exceeds 85°c, the LED will stay on and the channel
will be muted. The amplifier will resume normal functioning and the LED will turn
off automatically when the temperature falls below 75°c.
3 : 4.AC mains supply
The ac Main connection is made via the iEc c13 con-
nector on the rear panel. M Series amplifiers are factory
configured to work either with 115V or 230V ac mains.
Make sure the AC mains voltage used
is within the acceptable operating
voltage range: 115V±10% or 230V ±10%.
It is important to connect the ground
for safety, do not use adapters that
disable the ground connection.
Connection to the mains shall be done
only by a electrotechnical Skilled person
according the national requirements of
the countries where the unit is sold.
The
FiG. 4
shows how to connect the mains power cable
to the amplifier.
open the lock and
insert the plug
FiG. 4: Mains connector.
3 : 5.Precautions regarding installation
placing and using the amplifier for long periods of time
on heat generating sources will affect its performance. avoid
Label
placing the amplifier on heat generating sources. install this
amplifier as far as possible from tuners and TV sets. an
cLip
amplifier installed in close proximity of such equipment may
experience noise or generic performance degradation.
-6 dB
WARNING: TO PREVENT FIRE OR ELECTRIC SHOCK
f This device must be powered exclusively by earth con-
f
-18 dB
nected mains sockets in electrical networks compliant
SiGNaL
to the iEc 364 or similar rules.
f install the unit into rack cabinet.
f
Label
f a sectioning breaker between the mains connections
f
rEaDY
and the amplifier must be installed inside the rack
cabinet. Suggested device is 16a/250Vac, c or D
TEMp
curve, 10 a.
f Before powering this amplifier, verify that the correct
f
voltage rating is being used.
f Verify that your mains connection is capable of satisfy-
f
ing the power ratings of the device.
f Do not use this amplifier if the electrical power cord is
f
frayed or broken.
f output terminals are hazardous: wiring connection to
f
these terminals require installation by an instructed
person and the use of ready-made leads.
f Take care to lock the output terminal before switching
f
the device on.
f To avoid electrical shock, do not touch any exposed
f
speaker wiring while the amplifier is operating.
f Do not spill water or other liquids into or on the amplifier.
f
f No naked flame sources such as lighted candles
f
should be placed on the amplifier.
f Do not remove the cover. Failing to do so will expose
f
you to potentially dangerous voltage.
f it is absolutely necessary to verify this fundamental
f
requirement of safety and, in case of doubt, require an
accurate check by qualified personnel.
f The manufacturer cannot be held responsible for
f
damages caused to persons, things or data due to an
improper or missing ground connection.
f contact the authorized service center for ordinary and
f
lock the plug
extraordinary maintenance.
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