Filter
Top Products
3-242-835-21(1)
© 2007 Sony Corporation Printed in China
Sound-Sensor
Nursery Monitor
Operating Instructions
NTM-910DUAL
For customers who purchased this product in the USA
Please register this product on line at
http://www.sony.com/productregistration .
Proper registration will enable us to send you periodic mailings about new products, services, and other
important announcements. Registering your product will also allow us to contact you in the unlikely
event that the product needs adjustment or modification. Thank you.
WARNING
To reduce the risk of fire or
electric shock, do not expose this
apparatus to rain or moisture.
This symbol is intended to alert the
user to the presence of uninsulated
“dangerous voltage” within the
product’s enclosure that may be of
sufficient magnitude to constitute a
risk of electric shock to persons.
This symbol is intended to alert the
user to the presence of important
operating and maintenance (servicing)
instructions in the literature
accompanying the appliance.
* The graphical symbols are on the AC power
adaptor enclosure on the transmitter.
You are cautioned that any changes or
modifications not expressly approved in this
manual could void your authority to operate
this equipment.
INFORMATION
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 measures:
– 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.
If you have any questions about this product, you
may call:
Sony Customer Information Services Center 1-800-
222-7669 or http://www.sony.com/
Declaration of Conformity
Trade Name: SONY
Model: NTM-910 (Receiver unit)
Responsible Party: Sony Electronics Inc.
Address: 16530 Via Esprillo, San
Diego, CA 92127 USA
Telephone Number: 858-942-2230
This device complies with Part 15 of the FCC
Rules. Operation is subject to the following two
conditions: (1) This device may not cause
harmful interference, and (2) this device must
accept any interference received, including
interference that may cause undesired
operation.
RECYCLING NICKEL METAL
HYDRIDE BATTERIES
Nickel Metal Hydride batteries
are recyclable.
You can help preserve our
environment by returning your
used rechargeable batteries to the collection and
recycling location nearest you.
For more information regarding recycling of
rechargeable batteries, call toll free
1-800-822-8837, or visit http://www.rbrc.org/
Caution: Do not handle damaged or leaking
Nickel Metal Hydride batteries.
Features
•Up to 27 channels for maximized reception.
•Voice Activation eliminates most background
noise for a more peaceful sleep.
•5 indicators for monitoring sound levels.
•RANGE ALM., POWER/BATT and CHARGE
indicators allow you to know the operating
condition of the receiver.
•Water-resistance allows operating the receiver in
slight moisture areas such as kitchen or
bathroom.
•Operating on rechargeable battery pack.
Precautions
Safety Precautions
•Operate the transmitter only on 120 V AC, 60 Hz;
and the receiver on 9 V DC. To operate the
receiver on house current, use only the supplied
AC power adaptor; do not use any other type.
For battery operation, use one rechargeable
battery pack BP-TR10.
•Should any solid object or liquid fall into the unit,
disconnect the AC power adaptor and remove the
battery, and have the unit checked by a qualified
personnel before operating it any further.
•If you are not going to use the system for a long
time:
– Disconnect both transmitter and receiver from
the wall outlet by pulling out the plugs of both
AC power cord and AC power adaptor
respectively.
– Remove the battery out of the receiver to avoid
damage from battery leakage.
If you have any questions or problems concerning
your system, please consult your nearest Sony
dealer.
Precautions on Usage
This product cannot replace responsible
adult supervision of a child. It is designed to
assist adults in child supervision. Do not use it
for medical monitoring of a sick baby or child.
•The transmitter detects normal sound levels
within a range of 2 to 3 meters (6 to 10 feet) from
a child. If the child moves outside of this range, it
may not be able to detect sounds from him or her.
•It is essential that you check the operating range
and condition of the Sound-Sensor Nursery
Monitor on initial installation, and on a regular
basis after that.
•Stay close to the receiver in order to hear normal
sounds from it. Check the volume regularly to
ensure that it is set high enough.
Recharge the rechargeable battery pack in the
receiver or operate it on house current as soon as
the POWER/BATT indicator starts flashing and
the receiver sounds a beep.
•Be sure to place the transmitter out of the child’s
reach. Do not place the transmitter inside a crib or
playpen.
•The receiver can be affected by other devices in or
near your home that may interfere with the
signals sent by the transmitter. Such interference
can be caused by TV sets, cordless phones,
vacuum cleaners, car ignitions, and other
electrical devices. You should test the receiver
when you expect such devices to be in operation
while you are using the Sound-Sensor Nursery
Monitor.
•The signal from the transmitter can be received
by another receiver, as it uses a public air wave.
Cautions on Water-resistance (for
the receiver only)
This unit is designed so that it can be used with
slight exposure to water, rain, snow and other
forms of moisture, but there are several points on
which caution should be observed.
•Do not allow it to come into contact with large
amounts of water.
•Do not immerse it in water.
•If water should get on it or if it should fall into
water, take it out immediately and wipe it off
with a dry cloth. To prevent the battery from
corroding, wipe out the interior of the battery
compartment as follows:
– Open or close the battery compartment with
dry hands in a place without exposure to any
water.
– Wipe off the battery and the inside of the
battery compartment. Give special attention to
the contacts so that no water remains on them.
Troubleshooting
Should any problem persist after you have made
the following checks, consult your nearest Sony
dealer.
No sound (even with both units turned on)
•AC power cord or AC power adaptor is
disconnected from the wall outlet.
•Battery is used up.
•Receiver is too far from the transmitter.
•CH selectors of both transmitter and receiver are
not on the same settings.
Too much noise
•Weak battery.
•Receiver is too far from the transmitter.
•Interference from another electrical appliance.
Turn off the appliance, or move it further from
the receiver.
Weak reception
•Receiver is too far from the transmitter.
MONITOR indicator is not lit.
•Weak battery.
•Receiver is too far from the transmitter.
Buzzing, interference
•Another transmitter interfering.
Set the CH selectors of both the transmitter and
receiver to another setting.
Shrill noise
•Receiver is too close to the transmitter.
•Volume is too high.
Alarm continues to sound although the distance
between the transmitter and the receiver
becomes within operating range.
•Transmitter is not set to ON.
•CH selectors of both the transmitter and receiver
are not on the same settings.
Specifications
Frequency range: 902.200 - 904.900 MHz
Number of channels: 27 channels
Modulation system: FM
Transmitter
Circuitry: Crystal-controlled PLL circuit
Power requirement: 120 V AC, 60 Hz
Power consumption: 2 W
Dimensions:
101.8 × 99.5 × 63 mm (w/h/d) (4
1
/
8
× 4 × 2
1
/
2
inches) not incl. projecting parts and antenna
101.8 × 140.5 × 63 mm (w/h/d) (4
1
/
8
× 5
5
/
8
×
2
1
/
2
inches) incl. projecting parts and antenna
Mass: Approx. 229.5 g (8.1 oz)
Receiver
Circuitry: Single superheterodyne
Power requirement:
AC power adaptor (DC IN 9 V jack):
120 V AC, 60 Hz
2.4 V DC, Rechargeable battery pack
BP-TR10
Audio power output:
80 mW (using the supplied AC power adaptor)
28 mW (using 2.4 V DC)
Speaker: 57 mm dia., 8 Ω
Dimensions:
94 × 109 × 59 mm (w/h/d) (3
3
/
4
× 4
3
/
8
× 2
3
/
8
inches) not incl. projecting parts and antenna
94 × 157 × 59 mm (w/h/d) (3
3
/
4
× 6
1
/
4
× 2
3
/
8
inches) incl. projecting parts and antenna
Mass:
Approx. 184.3 g (6.5 oz)
Approx. 228.8 g (8.1 oz) incl. a rechargeable
battery pack
Supplied accessories:
AC power adaptor (2)
Rechargeable battery pack BP-TR10 (2)
Design and specifications are subject to change
without notice.
For your protection, please read these safety instructions completely before operating the appliance,
and keep this manual for future reference.
Carefully observe all warnings, precautions and instructions on the appliance and in the operating
instructions, and adhere to them.
INSTALLATION
Water and Moisture
Do not use powerline operated appliances near water - for example, near a bathtub, washbowl,
kitchen sink, or laundry tub, in a wet basement, or near a swimming pool, etc.
Heat
Do not place the appliance near or over a radiator or heat register, or where it is exposed to direct
sunlight.
Ventilation
The slots and openings in the cabinet are provided for necessary ventilation. To ensure reliable
operation of the appliance, and to protect it from overheating, these slots and openings must never be
blocked or covered.
-Never cover the slots and openings with a cloth or other materials.
-Never block the slots and openings by placing the appliance on a bed, sofa, rug or other similar
surface.
-Never place the appliance in a confined space, such as a bookcase, or built-in cabinet, unless proper
ventilation is provided.
Accessories
Do not place the appliance on an unstable cart, stand, tripod, bracket, or table. The appliance may fall,
causing serious injury to a child or an adult, and serious damage to the appliance. Use only a cart,
stand, tripod, bracket, or table recommended by Sony.
-An appliance and cart combination should be moved with care. Quick stops, excessive force, and
uneven surfaces may cause the appliance and cart combination to overturn.
Wall or Ceiling Mounting
If your appliance can be mounted to a wall or ceiling, mount it only as recommended by Sony.
USE
Power Source
This appliance should be operated only from the type of power source indicated on the marking label.
If you are not sure of the type of electrical power supplied to your home, consult your dealer or local
power company. For those appliances designed to operate from battery power, or other sources, refer
to the operating instructions.
Grounding or Polarization
This appliance is equipped with a polarized AC power cord plug (a plug having one blade wider than
the other), or with a three-wire grounding type plug (a plug having a third pin for grounding). Follow
the instructions below:
-For the appliance with a polarized AC power cord plug:
This plug will fit into the power outlet only one way. This is a safety feature. If you are unable to
insert the plug fully into the outlet, try reversing the plug. If the plug should still fail to fit, contact
your electrician to have a suitable outlet installed. Do not defeat the safety purpose of the polarized
plug by forcing it in.
-For the appliance with a three-wire grounding type AC plug:
This plug will only fit into a grounding-type power outlet. This is a safety feature. If you are unable to
insert the plug into the outlet, contact your electrician to have a suitable outlet installed. Do not defeat
the safety purpose of the grounding plug.
Overloading
Do not overload wall outlets, extension cords or convenience receptacles beyond their capacity, since
this can result in fire or electric shock.
When not in use
Unplug the power cord of the appliance from the outlet when left unused for a long period of time.
To disconnect the cord, pull it out by grasping the plug. Never pull the plug out by the cord.
Power-Cord Protection
Route the power cord so that it is not likely to be walked on or pinched by items placed upon or
against them, paying particular attention to the plugs, receptacles, and the point where the cord exits
from the appliance.
Lightning
For added protection for this appliance during a lightning storm, or when it is left unattended and
unused for long periods of time, unplug it from the wall outlet and disconnect the antenna or cable
system. This will prevent damage to the appliance due to lightning and powerline surges.
Object and Liquid Entry
Never push objects of any kind into the appliance through openings as they may touch dangerous
voltage points or short out parts that could result in a fire or electric shock. Never spill liquid of any
kind on the appliance.
Cleaning
Unplug the appliance from the wall outlet before cleaning or polishing it. Do not use liquid cleaners
or aerosol cleaners. Use a cloth lightly dampened with water for cleaning the exterior of the appliance.
Clean the appliance only as recommended by Sony.
Attachments
Do not use attachments not recommended by Sony, as they may cause hazards.
ANTENNAS
Outdoor Antenna Grounding
If an outdoor antenna or cable system is installed, follow the precautions below.
An outdoor antenna system should not be located in the vicinity of overhead power lines or other
electric light or power circuits, or where it can come in contact with such power lines or circuits.
WHEN INSTALLING AN OUTDOOR ANTENNA SYSTEM, EXTREME CARE SHOULD BE TAKEN
TO KEEP FROM CONTACTING SUCH POWER LINES OR CIRCUITS AS CONTACT WITH THEM
IS ALMOST INVARIABLY FATAL.
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 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.
Antenna Grounding According to the National
Electrical Code
SERVICE
Damage Requiring Service
Unplug the appliance from the wall outlet and refer servicing to qualified service personnel under the
following conditions:
-When the power cord or plug is damage or frayed.
-If liquid has been spilled or objects have fallen into the appliance.
-If the appliance has been exposed to rain or water.
-The appliance does not appear to operate normally or exhibits a marked change in performance.
-This indicates a need for service.
-If the appliance does not operate normally when following the operating instructions, adjust only
those controls that are specified in the operating instructions. Improper adjustment of other controls
may result in damage and will often require extensive work
by a qualified technician to restore the appliance to normal operation.
-If the appliance has been subject to excessive shock by being dropped, or the cabinet has been
damaged.
Servicing
Do not attempt to service the appliance yourself as opening or removing covers may expose you to
dangerous voltage or other hazards.
Refer all servicing to qualified service personnel.
Replacement parts
When replacement parts are required, be sure the service technician has used replacement parts
specified by Sony that have the same characteristics as the original parts.
Unauthorized substitutions may result in fire, electric shock, or other hazards.
Safety Check
Upon completion of any service or repairs to the appliance, ask the service technician to perform
routine safety checks (as specified by Sony) to determine that the appliance is in safe operating
condition.
Antenna Discharge Unit
(NEC Section 810-20)
Grounding Conductors
(NEC Section 810-20)
Antenna Lead-in Wire
Ground
Clamps
NEC-NATIONAL
ELECTRICAL CODE
Electric Service
Equipment
Ground Clamps
Power Service Grounding Electrode System
(NEC Art 250 Part H)
IMPORTANT SAFEGUARDS