LG LD120P User manual

OWNER'S MANUAL
Color Video Camera
Please read this manual carefully before operating
your set and retain it for future reference.
P/NO : MFL62723786
MODEL
LD120P
LD120N

2
This lightning flash with arrowhead
symbol within an equilateral triangle
is intended to alert the user to the
presence of uninsulated dangerous
voltage within the product’s enclo-
sure that may be of sufficient magni-
tude to constitute a risk of electric
shock to persons.
The exclamation point within an
equilateral triangle is intended to
alert the user to the presence of
important operating and mainte-
nance (servicing) instructions in the
literature accompanying the product.
FCC WARNING : This equipment may generate
or use radio frequency energy. Changes or modi-
fications to this equipment may cause harmful
interference unless the modifications are expressly
approved in the instruction manual. The user could
lose the authority to operate this equipment if an
unauthorized change or modification is made.
Regulatory Notices For U.S.A
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 when the equipment
is operated in a commercial environment.
This equipment generates, uses, and can radiate
radio frequency energy and, if not installed and
used in accordance with the instruction manual,
may cause harmful interference to radio com-
munications.
Operation of this equipment in a residential area is
likely to cause harmful interference in which case
the user will be required to correct the interference
at his own expense.
• A suitable conduit entries, knock-outs or glands
shall be provided in the cable entries of this
product in the end user.
• Caution: Danger of explosion if battery is incor-
rectly replaced. Replaced only with the same or
equivalent type recommended by the manufac-
turer. Dispose of used batteries according to the
manufacturer’s instructions.
• Holes in metal, through which insulated wires
pass, shall have smooth well rounded surfaces or
shall be provided with brushings.
Warning: Do not install this equipment in a con-
fined space such as a bookcase or similar unit.
Warning: Wiring methods shall be in accordance
with the National Electric Code, ANSI/NFPA 70.
Warning: This is a class B product. In a domestic
environment this product may cause radio interfer-
ence in which case the user may be required to
take adequate measures.
Warning: To reduce a risk of fire or electric shock,
do not expose this product to rain or moisture.
Caution: This installation should be made by a
qualified service person and should conform to all
local codes.
Caution: To avoid electrical shock, do not open the
cabinet. Refer servicing to qualified personnel only.
Caution: The apparatus should not be exposed to
water (dripping or splashing) and no objects filled
with liquids, such as vases, should be placed on
the apparatus.
CAUTION: TO REDUCE THE RISK OF
ELECTRIC SHOCK
DO NOT REMOVE COVER (OR BACK)
NO USER-SERVICEABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED SERVICE
PERSONNEL.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN

3
Important Safety Instructions
1. Read these instructions. - All these
safety and operating instructions
should be read before the product is
operated.
2. Keep these instructions. - The safety,
operating and use instructions should
be retained for future reference.
3. Heed all warnings. - All warnings
on the product and in the operating
instructions should be adhered to.
4. Follow all instructions. - All operating
and use instructions should be fol-
lowed.
5. Do not use this apparatus near water.
- For example: near a bath tub, wash
bowl, kitchen sink, laundry tub, in a wet
basement; near a swimming pool; etc.
6. Clean only with dry cloth. - Unplug
this product from the wall outlet before
cleaning. Do not use liquid cleaners.
7. Do not block any ventilation open-
ings. Install in accordance with the
manufacturer’s instructions. - Slots
and openings in the cabinet are pro-
vided for ventilation, to ensure reliable
operation of the product, and to protect
it from over- heating. The openings
should never be blocked by placing
the product on a bed, sofa, rug or other
similar surface. This product should
not be placed in a built-in installa-
tion such as a bookcase or rack unless
proper ventilation is provided and the
manufacturer’s instructions have been
adhered to.
8. Do not install near any heat sources
such as radiators, heat registers,
stoves, or other apparatus (including
amplifiers) that produce heat.

4
Important Safety Instructions
9. 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. A grounding type
plug has two blades and a third
grounding prong. 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 replace-
ment of the obsolete outlet.
10. Protect the power cord from
being walked on or pinched par-
ticularly at plugs, convenience
receptacles, and the point where
they exit from the apparatus.
11. Only use attachments/acces-
sories specified by the manufac-
turer.
12. Use only the
cart, stand, tri-
pod, bracket,
or table speci-
fied by the
manufacturer,
or sold with
apparatus. When a cart is used,
use caution when moving the
cart/ apparatus combination to
avoid injury from tip-over.
13. Unplug this apparatus during
lightning storms or when unused
for long periods of time.
14. Refer all servicing to qualified
service personnel. Servicing is
required when the apparatus has
been damaged in any way, such
as power- supply cord or plug is
damaged, liquid has been spilled
or objects have fallen into the
apparatus, the apparatus has
been exposed to rain or mois-
ture, does not operate normally,
or has been dropped.

5
Safety Precautions
Do not attempt to disassemble
the camera
To prevent electric shock, do not remove
screws or covers. There are no user service-
able parts inside. Ask a qualified service
personnel for servicing.
Do not use strong solvents or
detergents
Use a dry cloth to the camera when it is
dirty. If it is hard to remove the dirt on the
camera, use a mild detergent and wipe it
gently.
Before operating, please check
proper temperature, humidity
and power source ratings.
Use the camera under conditions where
temperature is between -10 °C to +50 °C.
Do not expose the camera in
such conditions as shown
below.
Use in a room or area filled with cigarette
smoke, dust or gas.
Avoid the camera with direct
sunlight
Do not aim the camera at bright objects.
Never face it with direct sunlight or other
extremely bright objects. Otherwise bloom-
ing or smear may be caused.
Handle the camera with care
Do not abuse the camera. Avoid striking,
shaking, etc. The camera could be damaged
by improper handling or storage.
Do not expose the camera to
rain or moisture
This product is designed for indoor use
or location where it is protected from rain
and moisture. When exposed to moisture,
turn the power off immediately and ask a
qualified service personnel for servicing.
Moisture can damage the camera and also
create the danger of electric shock.

6
What's in the box
Video Cable
Camera Body
M3 Tapping Screws (2 EA)
(Pan Lock Screw)

7
Construction
Front View
Side View
Tilt Base
Tilting Lock Screw
Lens
Dome Cover

8
Installation
Camera Installation
1. Use the installation label to check
the place that you wish to install.
2. Turn the Dome Cover
counterclockwise simultaneously.
3. Remove the Lens cover.
4. Aim the LG logo of the Dome
Camera to face the place that you
wish to watch.
5. Tighten the M3 Tapping
Screws(A) to fix the Dome
Camera on the ceiling.
6. Loosen the Tilting Lock Screw
(B). Adjust the Tilt (Up/Down)
then tighten Tilting Lock Screw.
If you need to adjust the Pan,
Loose the Pan Lock Screw (C).
Adjust the Pan (Left/Right) then
tight the Pan Lock Screw.
7. Install the Lens cover.
8. Install the Dome Cover to the
main body by turning it clockwise.
Notes
• When you install the camera,
handle with care. The camera could
be damaged by improper handling
or storage.
• If this camera is mounted on the
other places except ceiling, you
need an extra bracket for mounting.
(not supplied)
Installation Label
Dome cover
Lens cover
Hole for Fixing
Tilting Lock Screw (B)
M3 Tapping Screw (A)
Pan lock Screw (C)
1
2
4~6
3

9
Installation
Camera Connection
Connect the Power Adapter (12 V, 300 mA; optional) to the Power
Input Jack of the camera as shown below.
Cautions for Safe Operation
This camera must be operated a DC 12 V Certified/listed, class 2 power supply.
Power
Input Jack
Adapter
Jack
Power Adapter
(Not supplied)
Monitor
BNC

10
Setup
4-pin Dip Switch Setting
This camera has the 4-pin Dip Switch
for setting.
1. AGC (Auto Gain Control)
- ON : If the image is too dark,
increase the AGC value to
make the image bright.
- OFF :Not used.
2. BLC (Back Light Compensation)
- ON : Sets to this position when
strong light comes in
behind the target.
- OFF :Normal position.
3. HSBLC
- ON : Use for masking brightness
of the specific area to view
the subject more clearly.
- OFF :Not used.
4. WIDE BLC
- ON : Use WIDE BLC option to
view the object clearly in
strong backlight conditions.
- OFF :Not used.
ON
OFF
1 2 3 4
ON
1 2 3 4
ON

11
Troubleshooting
Dimension
Check the following guide for the
possible cause of a problem before
contacting service.
The picture is poor
Does the Dome Cover have lots of
dust on the surface?
- Use a dry cloth to clean the
camera when it is dirty.
Smear may be caused to the
screen of night than daytime.
- Adjust the Focus by moving the
Focus Lens.
Contrast of the screen is not clear.
Check the condition of the monitor.
A light source such as a spot light
causes burn-in on the display screen.
Adjust position or angle of the camera
to eliminate strong background light.
Background screen appears white
extremely.
You can set the background
compensation to OFF.
67.5 mm
ø 88
ø 80

12
Specifications
Model LD120N LD120P
Signal System NTSC PAL
Total / Effective Pixels 410 000 Pixel /
380 000 Pixel
470 000 Pixel /
440 000 Pixel
Pick-Up Device 6 mm Super Had CCD II
Lens 3.6 mm(C1) / 2.5 mm(A1)
Day / Night Auto
Scanning System 2 : 1 Interlace
Scanning Frequency 59.94 Hz(VD) 50 Hz(VD)
Resolution More than 540 TV Lines
S/N Ratio More than 48 dB
Minimum Illuminance 0.05 lx
Video Output Signal CVBS 1 Vp-p (75 Ω)
Shutter Speed
AUTO (1/60 to 1/100
000 SEC)
AUTO (1/50 to 1/100
000 SEC)
Dip switch AGC/BLC/HSBLC/WIDE BLC
Power Source DC 12 V
Power Consumption Less than 1.15 W
Operating Temp. -10 °C to 50 °C, 0 % RH to 80 % RH
Storage Temp. -20 °C to 60 °C, 0 % RH to 80 % RH
Weight 170 g
Dimensions ø(80 + 88) x 67.5 mm