2.4 GHz Wireless Color Video
System with Rechargeable
Lithium Battery
Instruction Manual
English Version 1.0
MODEL:
SG8840
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Important Safeguards
Important Safeguards
In addition to the careful attention devoted to quality standards in the manufacture process of your video
product, safety is a major factor in the design of every instrument. However, safety is your responsibility too.
This sheet lists important information that will help to assure your enjoyment and proper use of the video
product and accessory equipment. Please read them carefully before operating and using your video product.
Installation
1. Read and Follow Instructions - All the safety and
operating instructions should be read before the
video product is operated. Follow all operating
instructions.
8. Ventilation - Slots and openings in the case are
provided for ventilation to ensure reliable operation
of the video product and to protect it from
overheating. These openings must not be blocked
or covered. The openings should never be blocked
by placing the video equipment on a bed, sofa, rug,
or other similar surface. This video product should
never be placed near or over a radiator or heat
register. This video product should not be placed in
a built-in installation such as a bookcase or rack
unless proper ventilation is provided or the video
product manufacturer’s instructions have been
followed.
2. Retain Instructions - The safety and operating
instructions should be retained for future reference.
3. Heed Warnings - Comply with all warnings on the
video product and in the operating instructions.
4. Polarization - Do not defeat the safety purpose of
the polarized or grounding-type plug.
A polarized plug has two blades with
one wider than the other.
9. Attachments - Do not use attachments unless
recommended by the video product manufacturer as
they may cause a hazard.
Agroundingtypeplughastwoblades
and a third grounding prong.
10. Water and Moisture - Do not use this video product
nearwater. Forexample, nearabathtub, washbowl,
kitchen sink or laundry tub, in a wet basement, near
a swimming pool and the like.
The wide blade or the third prong are
provided for your safety.
If the provided plug does not fit into
your outlet, consult an electrician for
replacement of the obsolete outlet
Caution: Maintain electrical safety. Powerline
operated equipment or accessories connected to
this unit should bear the UL listing mark of CSA
certification mark on the accessory itself and should
not be modified so as to defeat the safety features.
This will help avoid any potential hazard from
electrical shock or fire. If in doubt, contact qualified
service personnel.
5. .Power Sources - This video 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 location, consult
your video dealer or local power company. For video
products intended to operate from battery power, or
other sources, refer to the operating instructions.
11. Accessories - Do not place this video equipment
on an unstable cart, stand, tripod, or table. The video
equipment may fall, causing serious
6. Overloading - Do not overload wall outlets of
extension cords as this can result in the risk of fire
or electric shock. Overloaded AC outlets, extension
cords, frayed power cords, damaged or cracked wire
insulation, and broken plugs are dangerous. They
may result in a shock or fire hazard. Periodically
examine the cord, and if its appearance indicates
damage or deteriorated insulation, have it replaced
by your service technician.
damage to the video product. Use
this video product only with a cart,
stand, tripod, bracket, or table
recommended
by
the
manufacturer or sold with the video
product.Anymountingoftheproduct
should follow the manufacturer’s
instructions and use
a
mounting accessory
recommended by the manufacturer.
7. Power-CordProtection -Powersupplycordsshould
be routed so that they are not likely to be walked on
or pinched by items placed upon or against them,
paying particular attention to cords at plugs,
convenience receptacles, and the point where they
exit from the video product.
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Important Safeguards
Service
13. Servicing - Do not attempt to service this video
equipment yourself as opening or removing covers
may expose you to dangerous voltage or other
hazards. Refer all servicing to qualified service
personnel.
Use
19. Cleaning - Unplug the video product from the wall
outlet before cleaning. Do not use liquid cleaners or
aerosol cleaners. Use a damp cloth for cleaning.
20. Product and Cart Combination - Video and cart
combination should be moved with care. Quick
stops, excessive force, and uneven surfaces may
cause the video product and car combination to
overturn.
14. Conditions Requiring Service - Unplug this video
product from the wall outlet and refer servicing to
qualified service personnel under the following
conditions.
21. Object and Liquid Entry - Never push objects for
any kind into this video product 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 video
product.
A. When the power supply cord or plug is
damaged.
B. If liquid has been spilled or objects have fallen
into the video product.
C. If the video product has been exposed to rain
or water.
22. Lightning - For added protection for this video
product 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 video product due to lightning and power line
surges.
D. If the video product does not operate normally
by following the operating instructions. Adjust
only those controls that are covered by the
operating instructions. Improper adjustment of
other controls mayresult in damage and will often
require extensive work by a qualified technician
to restore the video product to its normal
operation.
E. If the video product has been dropped or the
cabinet has been damaged.
F. When the video product exhibits a distinct
change in performance. This indicates a need for
service.
15. Replacement Parts - When replacement parts are
required, have the service technician verify that the
replacements used have the same safety
characteristics as the original parts. Use of
replacements specified by the video product
manufacturercanpreventfire, electricshockorother
hazards.
16. Safety Check - Upon completion of any service or
repairs to this video product, ask the service
technician to perform safety checks recommended
by the manufacturer to determine that the video
product is in safe operating condition.
17. Wall or Ceiling Mounting - The cameras provided
with this system should be mounted to a wall or
ceiling only as instructed in this guide, using the
provided mounting brackets.
18. Heat - The product should be situated away from
heat sources such as radiators, heat registers,
stoves, or other products (including amplifiers) that
produce heat.
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General Precautions
NOTE
This equipment has been certified and found to comply with the limits regulated by FCC, EMC, and LVD. Therefore, it
is designated to provide reasonable protection against interference and will not cause interference with other appliance
usage.
However, it is imperative that the user follows this manuals guidelines to avoid improper usage which may result in
damage to the unit, electrical shock and fire hazard injury
In order to improve the feature functions and quality of this product, the specifications are subject to change without
notice from time to time.
FCC CLASS B NOTICE
Note:
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 in-
stalled and used in accordance with the instruction, 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 on
and off), the user is encouraged to try to correct the interference by one or more of the following measures:
z
z
z
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
z
Consult the dealer or an experienced radio or television technician for assistance
General Precautions
1. All warnings and instructions of this manual should be followed
2. Remove the plug from the outlet before cleaning. Do not use liquid aerosol detergents. Use a water dampened cloth
for cleaning
3. Do not use this unit in humid or wet places
4. Keep enough space around the unit for ventilation. Slots and openings in the storage cabinet should not be blocked
5. During lightning storms, or when the unit is not used for a long time, disconnect the power supply, antenna, and cables
to protect the unit from electrical surge
LOREX TECHNOLOGY INC.
v
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Camera Features
Camera Features
• Turns your TV into a Video Security System
• Install and Operate in less than 1 minute
• Flexible - move camera from room to room
• Integrated rechargeable Lithium battery powers the camera for up to 5 hours
• Audio monitoring
• 4 channels available for selecting optimum clear reception
• 300 ft. wireless transmission (open space)*
• Automatic IR illumination provides B&W video images in low light conditions**
• Record picture to any standard VCR/DVR
* Maximum open space transmission range. Actual range dependent upon
building materials and other obstructions in path of wireless signal.
**IR illumination range of 12 ft. under ideal conditions. Objects at or beyond this
range may be partially or completely obscured, depending on the camera
application.
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Table of Contents
Table of Contents
Important Safeguards ............................................................................... iii
Installation ................................................................................................. iii
Service and Use ........................................................................................iv
General Precautions ..................................................................................v
Camera Features ......................................................................................vi
Wireless Receiver Setup ......................................................................... 13
Troubleshooting ...................................................................................... 15
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SG8840 Getting Started - Package Contents
SG8840 Getting Started - Package Contents
The SG8840 system comes with the following components:
2.4GHz Wireless Color Camera
with Adjustable Stand
Wireless Receiver
Wireless Receiver
Antenna
Wireless Receiver
Stand
AV Cable
Power Adapter for 2.4 GHz
Wireless Camera
Power Adapter for Wireless
Receiver
CHECK YOUR PACKAGE TO CONFIRM THAT YOU HAVE RECEIVED THE COMPLETE
SYSTEM, INCLUDING ALL COMPONENTS SHOWN ABOVE.
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SG8840 - Camera Features
SG8840 - Camera Features
The SG8840 Camera is a wireless device which allows you to choose from 4 channels for
optimum clear reception
CAMERA - FRONT
LENS: CMOS imaging sensor with
510x492 total pixels.
Lens
INFRARED LED: Provides illumination in
low light conditions up to a range of 12 ft..
Infrared
LEDs
MICROPHONE:
Audio
Provides
Listen-In
Microphone
MOUNTING BRACKET AND ADJUST:
Bracket for mounting the camera and
adjusting the view angle. The Mounting
bracket can be permanently mounted to
a surface if desired.
Angle
Adjust
Bracket
Antenna
ANTENNA: Sends signal to
Receiver
Power Indicator
LED
POWER INDICATOR LED:
LED indicator for Power ON/OFF.
A Green LED is ON when the
camera is receiving power.
Charge Indicator
LED
Power Input Jack
CHARGE INDICATOR LED:
LED flashes when the camera is
charging, and goes dark once the
camera is at Full Charge.
Power / Channel
Select
POWER INPUT JACK: Connect
the Camera Power Adapter to this
port to charge the wireless
camera.
POWER / CHANNEL SELECT:
4 available channels on the 2,400
MHz ~ 2,483 MHz range
CAMERA - BACK
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SG8840 - Receiver Features
SG8840 - Receiver Features
The SG8840 Wireless Receiver is a device which allows you to receive data from a selection of 4
channels for optimum clear reception
RECEIVER - FRONT
ANTENNA: Receiving antenna for wireless
transmission
Antenna
(back)
CHANNEL SELECT: Channel selection button.
Press to change between CH1 - CH4
Channel
Select
Note: The Channel selection must be set to
correspond between the camera and receiver.
CURRENT CHANNEL LED: Indicates the current
receiving channel
Current
Channel
LED
BRACKET: Holds the wireless receiver
Bracket
ON/OFF POWER SWITCH: Turns the power
ON/OFF
ON / OFF Power
Switch
ANTENNA SOCKET: Connection socket for
the Receiver Antenna.
Antenna Socket
Power Input Jack
POWER INPUT JACK: Connection for the
Receiver Power Adapter.
A/V CONNECTION SOCKET: Connection
socket for the A/V Cable. Connect the black
end of the cable to this socket.
A/V Connection
Socket
RECEIVER - BACK
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Camera Setup
Camera Setup
1. Adjust the camera height and position using the angle
adjustment thumbscrew on the base.
The camera can be permanently attached to a surface using
the provided screws (3 attachment screws), or it can simply be
placed to stand on any flat surface.
2. Confirm that the camera power is in the OFF position. Connect
the Power Adapter to the camera and to a wall outlet.
• Connect the 5V camera power
supply adapter to the camera,
and connect to a wall outlet.
Note: Confirm that the Power
adapter used is labelled ‘Camera’
• The camera should be charged for
approximately2hourspriortouse
(theCameraChargeLEDwilllight
up indicating a charge is in
progress), however the camera can be used immediately when connected to a wall outlet.
The 2 hour charge time is for the Lithium Battery to reach full charge.
• Once the camera has reached Full Charge, the LED indicator will turn off.
3. Turn ON the camera by changing the power switch from OFF to Channel 1.
• A green Power LED will light up indicating the camera is ON.
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Wireless Receiver Setup
Wireless Receiver Setup
1. Mount the WIRELESS RECEIVER on the STAND.
2. Connect the ANTENNA to the WIRELESS
RECEIVER.
3. Confirm that the Wireless Receiver is in the OFF
position.
• Connect the 8V power
supply adapter to the
Receiver, and connect to
a wall outlet.
NOTE: Confirm that the
power supply is labelled as
the ‘Receiver Power
Adapter’
• Power ON the receiver by
setting the power switch
to ON.
4. Connect the WIRELESS RECEIVER to a MONITOR / TV using the provided AV Cable
• Connect the BLACK end of the cable to the WIRELESS RECEIVER
• Connect the YELLOW plug to the VIDEO port on the MONITOR / TV
• Connect the RED plug to the AUDIO port on the MONITOR / TV
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Viewing the Camera
Viewing the Camera
Video can be viewed immediately (with the AC Adapter connected to the Wireless Camera),
however if portable use is desired, the camera Lithium Battery must be charged for 2 hours.
1. Power up the Receiver and the Camera.
2. Set the Camera to CH1 (the Wireless Receiver is set to CH1 by default).
Please ensure that the CAMERA and RECEIVER are set to the same channel!
3. Set the MONITOR / TV to VIDEO MODE (or AUX MODE / TV/VIDEO / GAME MODE etc.).
See your specific MONITOR or TV Manual for further instructions)
IMPORTANT: You may find some static on the picture at a selected channel setting. For
optimum viewing reception, you may need to change the channels on BOTH the Camera
and Receiver to a different channel (between CH1-CH4). BOTH the Camera and Receiver
must be set to a matching channel. If Static persists on your image, try adjusting the Antenna
on the Wireless Receiver and Camera.
13
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Troubleshooting
Troubleshooting
Problem: There is no displayed image or sound on the MONITOR/TV.
Solution:
• Does the camera have a full charge? Try connecting the Power Adaptor to the camera
• Check the LED Power indicators on both the Camera and the Receiver. Try unplugging
and reconnecting the power cable to the Wireless Receiver.
• Check the A/V Cable connection at the Wireless Receiver and the MONITOR/TV
Problem: I only see TV programs and not video from my camera
Solution:
• Ensure that the TV is set to AV/Video Mode
Problem: The displayed image is fuzzy and the sound is not clear.
Solution:
• Confirm that the camera and receiver are using the same channel (Ch1-4)
• Try changing the distance between receiver and camera. Move the camera
• Check for possible interference (thick walls, devices, etc.)
• Adjust the receiver antenna
• Try setting both the receiver and camera to a different channel (between CH1-Ch4)
Problem: The image is ‘ghosting’ but the sound is fine
Solution:
• Possible interference with other wireless devices - try a different channel
Problem: Image is in black and white, but the sound is normal
Solution:
• The Hardware is incompatible with your existing Monitor / TV. Try the SG8840 on a different
TV/Monitor
14
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Camera Specifications - Appendix #1
Camera Specifications - Appendix #1
Imaging Sensor
1/3” CMOS
510 x 492 (NTSC)
62°
CMOS Total Pixels
View Angle
Minimum Illumination
Transmission Frequency
Transmission Power
Modulation Type
Bandwidth
1.5 Lux / F1.5
ISM 2,4000 MHz - 2,483 MHz (4CH)
2 mW (milliwatt)
FM
18 MHz
Power Supply
+ 5V (DC) , 700 mA
Lithium Battery / 500 mAh
2 hr.
Battery Type / Capacity
Charge Time
Working Time
Up to 5 hours (less time in IR Mode)
328 ft. / 100 meters
Unobstructed Effective
Range
Night Vision Range
Camera Dimensions
(W x D x H)
Up to 12 ft. / 3.7 meters
3.5” x 1.25” x 1.25”
10cm x 3cm x 3cm
Stand Dimensions
(W x D x H)
1.5” x 1.5” x 2”
4cm x 4cm x 5cm
Weight
4.3 oz / 120 g (not including stand)
Operating Temperature
Range
14° F ~ 122° F
-10° C ~ 50° C
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Wireless Receiver Specifications - Appendix #2
Wireless Receiver Specifications - Appendix #2
Receiving Frequency
Intermediate Frequency
Demodulation Type
Antenna
ISM 2,400 MHz - 2,483 MHz - 4CH *
480 MHz
FM
50 OHM SMA
-85 dBm
Receiving Sensitivity
Video Output Level
Audio Output Level
Power Supply
1 Vp-p @ 75 OHM, S/N > 38DB
1 Vp-p @ 600 OHM
8V (DC)
180 mA
Consumption Current
Up to 328 ft. / 100 meters**
Unobstructed Effective
Range
Receiver Dimensions
(W x D x H)
4” x 0.75” x 3.25”
10 cm x 2 cm x 8.5 cm
4.3 oz / 120 g
Weight
Storage Temperature
Operating Temperature
Operating Humidity
-22 F to 185 F / -30 C - 85 C
14 F to 122 F /- 10 C to 50 C
85% RH
* 4 available channels for optimal signal
** Maximum open space transmission range. Actual range dependent upon building
materials and other obstructions in path of wireless signal.
As our products are subject to continuous improvement, LOREX Technology Inc. and its
subsidiaries reserve the right to modify product design, specifications and prices, without notice
and without incurring any obligation.
E&OE
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