Alto MC250.4 Скачать руководство пользователя страница 2

SAFETY RELATED SYMBOLS

CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

This symbol, wherever used, alerts you to the pre-
sence of un-insulated and dangerous voltages with-
in the product enclosure. These are voltages that
may be sufficient to constitute the risk of electric
shock or death.

Protective Ground Terminal

AC mains (Alternating Current)

Hazardous Live Terminal

ON:

Denotes the product is turned on.

This symbol, wherever used, alerts you to impo-
rtant operating and maintenance instructions.
Please read.

OFF:

Denotes the product is turned off.

WARNING

Describes precautions that should be observed to
prevent the possibility of death or injury to the user.

CAUTION

Describes precautions that should be observed to
prevent damage to the product.

Protective Ground

Operating Conditions

IMPORTANT SAFETY INSTRUCTIONS

Cleaning

Servicing

Power Cord and Plug

the recommended fuse type as indicated in this
manual. Do not short-circuit the fuse holder. Before
replacing the fuse, make sure that the product is
OFF and disconnected from the AC outlet.

Before turning the product ON, make sure that it is
connected to Ground. This is to prevent the risk of
electric shock.

Never cut internal or external Ground wires. Likewise,
never remove Ground wiring from the Protective
Ground Terminal.

Always install in accordance with the manufacturer's
instructions.

To avoid the risk of electric shock and damage, do
not subject this product to any liquid/rain or moisture.
Do not use this product when in close proximity to
water.

Do not install this product near any direct heat source.

Do not block areas of ventilation. Failure to do so
could result in fire.

Keep product away from naked flames.

Read these instructions

Follow all instructions

Keep these instructions. Do not discard.

Heed all warnings.

Only use attachments/accessories specified by the
manufacturer.

Do not tamper with the power cord or plug. These are
designed for your safety.

Do not remove Ground connections!

If the plug does not fit your AC outlet seek advice from
a qualified electrician.

Protect the power cord and plug from any physical
stress to avoid risk of electric shock.

Do not place heavy objects on the power cord. This
could cause electric shock or fire.

When required, either blow off dust from the product
or use a dry cloth.

Do not use any solvents such as Benzol or Alcohol.
For safety, keep product clean and free from dust.

Refer all servicing to qualified service personnel only.

Do not perform any servicing other than those instruc-
tions contained within the User's Manual.

Fuse

To prevent fire and damage to the product, use only

No user serviceable parts inside.

Power Supply

Ensure that the mains source voltage (AC outlet)
matches the voltage rating of the product. Failure
to do so could result in damage to the product and
possibly the user.

Unplug the product before electrical storms occur
and when unused for long periods of time to reduce
the risk of electric shock or fire.

External Connection

Always use proper ready-made insulated mains
cabling (power cord). Failure to do so could result
in shock/death or fire. If in doubt, seek advice from
a registered electrician.

Do Not Remove Any Covers

Within the product are areas where high voltages
may present. To reduce the risk of electric shock do
not remove any covers unless the AC mains power
cord is removed.

Covers should be removed by qualified service
personnel only.

WARNING

1

Disposing of this product should not be
placed in municipal waste and should be
Separate collection.

Содержание MC250.4

Страница 1: ...User s Manual LTO R www altoproaudio com Version 1 0 AUGUST 2005 English MC250 4 FOUR CHANNELS POWER AMPLIFIER ...

Страница 2: ...t away from naked flames Read these instructions Follow all instructions Keep these instructions Do not discard Heed all warnings Only use attachments accessories specified by the manufacturer Do not tamper with the power cord or plug These are designed for your safety Do not remove Ground connections If the plug does not fit your AC outlet seek advice from a qualified electrician Protect the powe...

Страница 3: ...nters in Italy Netherlands United Kingdom and Taiwan The core of our digital audio products is a sophisticated Software Team for many years Following this idea we create our products and we will create the new ones From our side we guarantee you and we will guarantee you also in future the best quality the best fruits of our continuous researches and the best prices Nothing else to add but that we...

Страница 4: ... OF CONTENTS WARRANTY 13 9 TECHNICAL SPECIFICATIONS 12 8 BLOCK DIAGRAM 11 7 CAUTION FOR APPLICATION 10 6 5 APPLICATION 8 4 4 INSTALLATION INSTALLATION 7 3 CONTROL ELEMENTS 5 2 FEATURES 4 1 INTRODUC ION T 4 3 ...

Страница 5: ... total reliability and a trouble free use even in the most demanding conditions We believe the MC250 4 not only look great but provide a perfect performance what you get is unprecedented performance at an incredibly attractive price 2 FEATURE Innovative design and high stability power amplifier Fan cooled AB class high power amplifier in 19 2U size 4 independent channels with separate protection s...

Страница 6: ...ge is corrected the protection systems deactivate automatically this indicator goes out and normal amplifier operation is resumed Output Limiter LED Set the clip limit switch at ON position the yellow LED lights up when the unit is limiting the output signal Level Control This pot provides smooth level changes control Fan The unit is equipped with two fans which can accelerate the flow of air to l...

Страница 7: ...el mode Mode Selector You can choose the right function and output you need via the mode selector switch In order to make you acquire these settings now let me introduce the dip switch This switch is made up of 10 small dip switches these small dip switches from1 to 5 control one channel these rest ones 6 10 control the other channel ok you can choose the right mode setting you need via these smal...

Страница 8: ...ned in this manual unless you are qualified to do so Please turn off this unit before any installation and connection esp when you connect your unit into the sound system This is important to prevent damage to the unit itself as well as other consequent speaker system This is important to prevent damage to the unit itself as well as other consequent speaker system The mains connection of the MC 25...

Страница 9: ...tional stereo amp The channel 1 input signal will be output from the channel 1 output jacks and the channel 2 input signal will be output form the channel 2 output jacks take channel 1 and channel 2 for example Apparaten skall anslutas till jordat uttag nar den ansluts till ett natverk BREAKER BREAKER CH1 CH2 CH3 CH4 INPUTS CH1 MODE SWITCHES CH2 CH3 MODE SWITCHES CH4 OUTPUTS BRIDGE MONO AC INPUT M...

Страница 10: ... 5 6 7 8 910 SWITCH SETTINGS TO BRIDGE CHANNEL PAIRS SET INPUT SWITCHES AS SHOWN USE THE LOWER NUMBERED CHANNEL S INPUT AND GAIN CONTROL CONNECT SPEAKER AS SHOWN CH1 AND CH2 CH3 AND CH4 BRIDGEABLE CHANNEL PAIRS BRIDGE MONO CH3 CH1 CH4 CH2 BRIDGE MONO OUTPUTS SERIAL MODEL 1 2 3 4 5 6 7 8 910 PARALLEL MODE 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 Use only with a 250V fuse FILTERS 35Hz FILTER FILTER...

Страница 11: ...ure to use a speaker system that has sufficient input capacity If the input capacity of your speaker system is lower than the rated output of the MC250 4 power amplifier you can protect your speakers by connecting a fuse serially between the speaker and the amplifier as shown below 10 Apparaten skall anslutas till jordat uttag nar den ansluts till ett natverk BREAKER BREAKER CH1 CH2 CH3 CH4 INPUTS...

Страница 12: ...11 7 BLOCK DIAGRAM ...

Страница 13: ... 22dB 10Kohms unbalanced 20 Kohms balanced Front AC Switch Ch1 Ch4 Gain Knobs Rear MODE SWITCHS Power On Blue LED Protection Green LED LIMITER Yellow LED Clip Red LED Parallel input Yellow LED Bridge Yellow LED Level Green LED 20 and 10dB Connectors each channel Input Terminal Block Output Screw terminal Barrier Block Power supply cooling Load protection Dimensions Net weight Continuously variable...

Страница 14: ...TO of 1 year from the purchase date if you have completed the Warranty Registration Card in time 3 3 During the warranty service may repair or replace this product at its own option at no charge to you for LTO parts or for labor in accordance with the right side of this limited warranty 3 4 This warranty does not apply to the damages to this product that occurred as the following conditions Normal...

Страница 15: ... 22313737 email alto altoproaudio com Fax 886 4 22346757 All rights reserved to ALTO All features and content might be changed without prior notice Any photocopy translation or reproduction of part of this manual without written permission is forbidden Copyright 2005 SEIKAKU GROUP SEIKAKU TECHNICAL GROUP LIMITED NF02244 1 0 c ...

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