Linear DMC1 User Manual

Designed for installation in new homes, the DMC1 is a whole-house music and communication system. It is designed to
provide years of enjoyment and service to the homeowner. M&S Systems brand audio products are backed with more
than 50 years of experience in the design and manufacture of precision acoustical equipment for the home. To ensure
that the homeowner receives the high-quality music and voice reproduction that the system is designed to deliver, it is
important that each step of the installation be carefully completed by the installer. In the event you need troubleshooting
assistance, please call our technical support staff at 1-800-421-1587.
DMC1 MUSIC/COMMUNICATIONS SYSTEM
ROUGH-IN INSTRUCTIONS
CAUTION !
The exclamation point within an equilateral triangle is
intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in the
literature accompanying the product.

IMPORTANT SAFETY INSTRUCTIONS

Read Instructions - All the safety and operating
instructions should be read before installing or operating
the DMC1.
Retain Instructions - The safety and operating
instructions should be retained for future reference.
Heed Warnings - All warnings on the appliance and in the
operating instructions should be adhered to.
Follow Instructions - All operating and use instructions
should be followed.
Water and Moisture - The appliance should not be used
near water - for example: near bathtub, washbowl, kitchen
sink, laundry tub, in a wet basement, or near a swimming
pool, and the like. Doing so can create a fi re or shock
hazards and impair the warranty.
Cleaning - Use only a dry cloth.
Attachments - Do not use attachments not recommended
by the product manufacturer as they may cause hazards.
Ventilation - The appliance should be situated so that
its location or position does not interfere with its proper
ventilation. For example, the appliance should not be
situated on a bed, sofa, rug, or similar surface that may
block the ventilation openings: or, placed in a built in
installation, such as a bookcase or cabinet that may
impede the fl ow of air to the ventilation openings.
Heat - The appliance should be situated away from heat
sources such as radiators, heat registers, stoves, or other
appliances (including amplifi ers) that produce heat.
Power Sources - The appliance should be connected to
a power supply only of the type described in the rough-in
instructions or as marked on the appliance.
Grounding or Polarization - Precautions should be
taken so that the grounding or polarization means of an
appliance is not defeated.
INTRODUCTION
Power Lines - An outdoor antenna should be located
away from power lines.
Outdoor Antenna Grounding - If an outside antenna
is connected to the receiver, be sure the antenna system
is grounded so as to provide some protection against
voltage surges and built up static charges. Section 810
of the National Electrical Code, ANSI/NFPA No. 70 1984,
provides information with respect to proper grounding of
the mast and supporting structure, grounding of the lead
in wire to an antenna discharge unit, size of grounding
conductors, location of antenna discharge unit, connection
to grounding electrodes, and requirements for the
grounding electrode (see fi gure).
Object and Liquid Entry - Never push objects of any
kind into this product through openings as they may touch
dangerous voltage points or short out parts that could
result in a fi re or electric shock. Never spill liquid of any
kind on the product.
USA & Canada (800) 421-1587 & (800) 392-0123
(760) 438-7000 - Toll Free FAX (800) 468-1340
www.linearcorp.com
SHOCK HAZARD !
The lightning fl ash with arrowhead symbol within an
equilateral triangle is intended to alert the user to the
presence of un-insulated "dangerous voltage" within the
product's enclosure that may be of suffi cient magnitude to
constitute a risk of electric shock to persons.
Servicing - The user should not attempt to service
the appliance beyond that described in the operating
instructions. All other servicing should be referred to
qualifi ed service personnel.
Damage Requiring Service - The appliance should be
serviced by qualifi ed service personnel when:
■ The power supply cord or the plug has been
damaged; or
■ Objects have fallen, or liquid has been spilled
into the appliance; or
■ The appliance has been exposed to rain; or the
appliance does not appear to operate normally
or exhibits a marked change in performance; or
■ The appliance has been dropped, or the
enclosure damaged.
■ When the product exhibits a distinct change in
performance - this indicates a need for service.
Replacement Parts - When replacement parts are
required, be sure the service technician has used
replacement parts specifi ed by the manufacturer or have
the same characteristics as the original part. Unauthorized
substitutions may result in fi re, electric shock, or other
hazards.
Safety Check - Upon completion of any service or repairs
to this product, ask the service technician to perform safety
checks to determine that the product is in proper operating
condition.
Wall or Ceiling Mounting - The product should be
mounted to a wall or ceiling only as recommended by the
manufacturer.