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©2000 Sony Corporation
3-047-339-12 (1)
Operating Instructions

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Owner's Record
The model and the serial numbers are
located at the bottom of the unit. Record
the serial number in the space provided
below. Refer to these numbers
whenever you call upon your Sony
dealer regarding this product.
Model No. IT-M804
Serial No. ________________

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8. Do not allow anything to rest on the
power cord. Do not locate this
product where the cord will be abused
by persons walking on it.
9. Do not overload wall outlets and
extension cords as this can result in
the risk of fire or electric shock.
10. Never push objects of any kind into
this product through cabinet slots as
they may touch dangerous voltage
points or short out parts that could
result in a risk of fire or electric shock.
Never spill liquid of any kind on the
11. To reduce the risk of electric shock,
do not disassemble this product, but
take it to a qualified service personnel
when some service or repair work is
required. Opening or removing
covers may expose you to dangerous
voltages or other risks. Incorrect
reassembly can cause electric shock
when the appliance is subsequently
12. Unplug this product from the wall
outlet and refer servicing to qualified
service personnel under the following
A. When the power cord or plug is
damaged or frayed.
B. If liquid has been spilled into the
C. If the product has been exposed to
rain or water.
D. If the product does not operate
normally by following the operating
instructions. Adjust only those
controls that are covered by the
operating instructions because
improper adjustment of other controls
may result in damage and will often
require extensive work by a qualified
technician to restore the product to
normal operation.
E. If the product has been dropped or
the cabinet has been damaged.
F. If the product exhibits a distinct
change in performance.
When using your telephone equipment,
basic safety precautions should always
be followed to reduce the risk of fire,
electric shock and injury to persons,
including the following:
1. Read and understand all instructions.
2. Follow all warnings and instructions
marked on the product.
3. Unplug this product from the wall
outlet before cleaning. Do not use
liquid cleaners or aerosol cleaners.
Use a damp cloth for cleaning.
4. Do not use this product near water,
for example, near a bath tub, wash
bowl, kitchen sink, or laundry tub, in
a wet basement, or near a swimming
5. Do not place this product on an
unstable cart, stand, or table. The
product may fall, causing serious
damage to the product.
6. Slots and openings in the cabinet and
the back or bottom are provided for
ventilation. To protect it from
overheating, these openings must not
be blocked or covered. The openings
should never be blocked by placing
the product on the bed, sofa, rug, or
other similar surface. This product
should never be placed near or over a
radiator or heat register. This product
should not be placed in a built-in
installation unless proper ventilation
is provided.
7. This product should be operated only
from the type of power source
indicated on the marking label. If you
are not sure of the type of power
supply to your home, consult your
dealer or local power company.

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13. Avoid using a telephone (other than
a cordless type) during an electrical
storm. There may be a remote risk of
electric shock from lightning.
14. Do not use the telephone to report a
gas leak in the vicinity of the leak.
To reduce the risk of fire or injury to persons by
battery, read and follow these instructions.
1. Use only the following type and size battery:
6F22/6LR61 9V.
2. Do not dispose of the battery pack in a fire.
The cell may explode. Check with local codes
for possible special disposal instructions.
3. Do not open or mutilate the battery pack.
Released electrolyte is corrosive and may
cause damage to the eyes or skin. It may be
toxic if swallowed.
4. Exercise care in handling battery pack in
order not to short the battery with conducting
materials such as rings, bracelets, and keys.
The battery or conductor may overheat and
cause burns.
5. Do not attempt to recharge the batteries
provided with or identified for use with this
product. The batteries may leak corrosive
electrolyte or explode.
6. Do not attempt to rejuvenate the batteries
provided with or identified for use with this
product by heating them. Sudden release of
the battery electrolyte may occur causing
burns or irritation to the eyes or skin.
7. Remove the batteries from this product if the
product will not be used for a long period of
time (several months or more) since during
this time the battery could leak in the product.
8. Discard "dead" batteries as soon as possible
since "dead" batteries are more likely to leak
in a product.
9. Do not store this product, or the batteries
provided with or identified for use with this
product, in high-temperature areas. Batteries
that are stored in a freezer or refrigerator for
the purpose of extending shelf life should be
protected from condensation during storage
and defrosting. Batteries should be stabilized
at room temperature prior to use after cold
1. This equipment complies with Part 68 of the
FCC rules. On the bottom of this equipment
is a label that contains, among other
information, the FCC registration number and
ringer equivalence number (REN) for this
equipment. If requested, this information
must be provided to the telephone company.
2. The applicable registration jacks (connectors)
USOC-RJ11C/RJ14C are used for this
3. This equipment is designed to be connected to
the telephone network or premises wiring
using a compatible modular jack which is Part
68 compliant.
The FCC compliant telephone cord and
modular plug is provided with this
4. The REN is used to determine the quantity of
devices which may be connected to the
telephone line. Excessive RENs on the
telephone line may result in the devices not
ringing in response to an incoming call. In
most, but not all areas, the sum of the RENs
should not exceed five (5.0).To be certain of
the number of devices that may be connected
to a line, as determined by the total RENs,
contact the local telephone company.
5. If your equipment (IT-M804) causes harm to
the telephone network, the telephone
company will notify you in advance that
temporary discontinuance of service may be
required. But if advance notice isn't practical,
the telephone company will notify the
customer as soon as possible. Also, you will
be advised of your right to file a complaint
with the FCC if you believe it is necessary.
6. The telephone company may make changes in
its facilities, equipment, operations or
procedures that could affect the operation of
the equipment. If this happens the telephone
company will provide advance notice in order
for you to make necessary modifications to
maintain uninterrupted service.
7. If trouble is experienced with this equipment
(IT-M804), for repair or warranty information,
please contact Sony Direct Response Center:
Tel 1-800-222-7669. If the equipment is
causing harm to the telephone network, the
telephone company may request that you
disconnect the equipment until the problem is
8. All repairs will be performed in an authorized
Sony service station.
9. This equipment cannot be used to party lines
or coin lines.
10.This equipment is hearing aid compatible.

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If your telephone is equipped
with automatic dialers
When programming emergency numbers and
(or) making test calls to emergency numbers:
1. Remain on the line and briefly explain to
the dispatcher the reason for the call.
2. Perform such activities in the off-peak
hours, such as early morning or late
You are cautioned that any changes or
modifications not expressly approved in this
manual could void your authority to operate this
This equipment has been tested and found to
comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable
protection against harmful interference in a
residential installation. This equipment
generates, uses and can radiate radio frequency
energy and, if not installed and used in
accordance with the instructions, may cause
harmful interference to radio communications.
However, there is no guarantee that interference
will not occur in a particular installation. If this
equipment does cause harmful interference to
radio or television reception, which can be
determined by turning the equipment off and
on, the user is encouraged to try to correct the
interference by one or more of the following
­ Reorient or relocate the receiving antenna.
­ Increase the separation between the
equipment and receiver.
­ Connect the equipment into an outlet on a
circuit different from that to which the
receiver is connected.
­ Consult the dealer or an experienced radio/
TV technician for help.