Mark M 450, M 650 User Manual

M SERIES

M 450
M 650

Rev 2.0

User Manual / Manual de Uso

This symbol, wherever used,alerts you to
the presence of un-isulated and dangerous
voltages within the product enclosure.
These are voltages that may be sufficient to
constitute the risk of electric shock.

This symbol, wherever used, alerts you to
important operating and maintenance
instructions. Please read.

Protective Ground Terminal

AC mains (Alternating Current)

Hazardous Live Terminal

ON: Denotes the product is turned on.

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.

WARNING

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 or fire. If in doubt, seek advice from a
registered electrician.

Do not Remove Any Cover

Within the product are areas where high voltages
may bepresent. 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.

No user serviciable parts inside.

Fuse

To prevent fire an damage to the product, use only
the recommended fuse type as indicated in this
manual. Do not short-circuit the fuse holder.
Before replacing fuse, make sure that the product
is OFF and disconnected from the AC outlet.

Protective Ground

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.

Operating Conditions

Always install in accordance with the manufacturer´s
instructions.

To avoid the risk of electrtic shock and damage, do
not subject the 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.

SAFETY RELATED SYMBOLS

GRAPHICAL SYMBOLS EXPLANATION

TO REDUCE THE RISK OF FIRE OR
ELECTRIC SHOCK, DO NOT EXPOSE
TO RAIN OR HUMIDITY.DO NOT
REMOVE COVER. THIS PRODUCT IS
NOT INTENDED FOR USE OTHER THAN
STATED.

WARNING:

ENEN

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User Manual/Manual de Uso M 450 / M 650

FRONT PANEL

REAR PANEL

EN

1 3

15

16 17

18

13

14

6

7

8

9

10

11

12

4 5

2

1. POWER SWITCH It allows to power on/off the device.

2. POWER LED This LED lits when the unit is connected to main supply and the switch on.

3. CH A VOLUME LEVEL This potentiometer allows to control the output gain in channel A.

4. LED INDICATORS Each channel incorporates several LEDs. 2 in green color in order to indicate

the signal presence, 1 in red color for clip state and 1 in yelllow color which lits when the amplifier
enter in protection state.

5. CH B VOLUME LEVEL This potentiometer allows to control the output gain in channel B.

6. FUSE HOLDER If it blows, replace it with another fuse with the same type and rate

7. GROUND/LIFT SWITCH This switch allows to separate de ground of the device

with the rest of system devices of to link in order to avoid noises.

8. STEREO/BRIDGE SWITCH Use it to select the output mode: STEREO working
each channel separately, or BRIDGE summing both outputs.

NOTE: If you need to change the position of both switch (7 & 8), the device MUST
BE TURN OFF

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User Manual/Manual de Uso M 450 / M 650