960H SNAP-IT Outdoor Dome Camera

960H SNAP-IT Outdoor Dome Camera
960H SNAP-IT
Outdoor Dome Camera
DWC-V4567WD
DWC-V4567WTIR
ABOUT MANUAL
Before installing and using the camera, please read this manual carefully.
Be sure to keep it handy for future reference.
12132012
PRECAUTIONS
Do not open or modify.
Do not open the case except during maintenence and installation,
for it may be dangerous and can cause damages.
Do not put objects into the unit.
Keep metal objects and flammable substances from entering the camera.
It can cause fire, short-circuits, or other damages.
Be careful when handling the unit.
To prevent damages, do not drop the camera or subject it to shock or vibration.
Do not install near electric or magnetic fields.
Protect from humidity and dust.
Protect from high temperature.
Be careful when installing near the ceiling of a kitchen or a boiler room,
as the temperature may rise to high levels.
Cleaning :
To remove dirt from the case, moisten a soft cloth with a soft detergent solution and wipe.
Mounting Surface :
The material of the mounting surface must be strong enough to support the camera.
FCC COMPLIANCE
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 residential environment. This equipment generates, uses, and radiates
radio frequency energy; and if it is not installed and used in accordance with the
instruction manual, it may cause harmful interference to radio communications.
WARNING : Changes or modifications are not expressly approved by the manufacturer.
2
Table of Contents
Introduction
Installation
Features
4
Parts and Descriptions
5
Dimensions
6
Included Accessories
7
Easy Installation
8
Mounting Installation
Camera OSD Menu and Glossary
Troubleshooting
9-13
UTP System
14
Connecting to Monitors
15
Adjusting the Camera
16
Adjusting the 3-Axis Gimbal
17
18-34
35
Warranty Information
36-37
Specifications
38-39
3
FEATURES*
DWC-V4567WD/ DWC-V4567WTIR
1/3” 960H High Resolution CCD
700 TV Lines
3.3~12mm Varifocal Auto Iris Lens
70ft Range IR with Intelligent Camera Sync [V4567WTIR Only]
True Day and Night [V4567WTIR Only]
Star-Light (Super Low Light Technology)
EWDR (Electronic Wide Dynamic Range)
3D-DNR (3D Digital Noise Reduction)
HME (Highlight Masking Exposure)
AGC / SMART BLC / AWB
Night-Up
Negative Imaging
Mirror Image Control
UTP / RS485 Built-in
Programmable Privacy Zones (6) & Motion Detection
Easy Icon Driven OSD Menu with Built-In Joystick
Auto Sensing 12VDC or 24VAC with Line Lock
Secondary Video-BNC Output
IP68 Certified (Waterproof)
4
PART & DESCRIPTIONS*
2
3
1
Lens
2
Power Input Connector
5
4
DC 12V /AC 24V Voltage
3
UTP
4
RS 485
5
Primary Video-BNC Output Connector
6
Camera Control Board
7
Bubble Dome Cover
8
Upper Case
9
Flush Mount Case
12
10
Surface Mount Case
1
11
10
14
13
9
Assembly Screws
#8 - 32 x 0.75
12
Secondary Video-BNC Output Connector
13
Safety Wire
14
Mounting Screws
6
NO IR
11
IR
8
7
5
DIMENSIONS IN MILLIMETERS (INCHES)*
Top View
Flush Mount
137(5.39”)
101(3.97”)
139(5.47”)
17(0.66”)
28(1.10”)
98.8(3.88”)
121(4.76”)
54(2.12”)
Surface Mount
139(5.47”)
36(1.41”)
118.8(4.67”)
29(1.14”)
53.8(2.11”)
6
121(4.76”)
INSTALLATION*
Included with Outdoor Dome Camera
1. User Manual
2. Mounting Template
3. Second Video Jack
4. Four (4) Screws and Four (4) Dry Wall Anchors
1
5
5. L-Wrench
6. TORX-T20 Bolt
7. DC Plug
8. TORX-T20 Wrench
2
6
3
7
4
8
7
EASY INSTALLATION*
8
SURFACE MOUNT INSTALLATION INSTRUCTIONS*
5. Snap the camera module onto
the base by aligning the red
and black markings on the
base and the camera module.
If you need to keep the wiring within the
within the camera
housing, refer to the diagram below.
UTP
4. Mount the surface mount
base (junction box) to the
wall.
3. Pull wires through and make
connections.
RS48
5
2. Drill holes into the drywall and
insert the drywall mounts into
the holes.
DC 12V
AC 24V
1. Use the camera’s mounting
template or your camera to
mark the holes as required.
99
6. Secure the three (3) assembly
screws.
7. Adjust the camera’s position
by using the 3-Axis Gimbal.
8. Tighten the three locking
screws with the L-Wrench
to secure the cover dome
over the camera.
3
Flush Mount Installation
For a flush mount housing, remove the surface mount base
(junction box). Cut a large hole on a flat surface for the top part
of the flush mount base. Use the three screws fixed to the base
to secure it to the surface of the wall or ceiling.
Follow steps 6 through 8 of the Surface Mount Installation
Instructions to complete the installation.
ST4X35
10
WALL MOUNT INSTALLATION INSTRUCTIONS*
1. Verify all parts are in the box.
2. Insert the wires from the
camera through the wall
mount housing.
3. Use the mounting template to
make pilot holes. Use the dry
wall anchors and woods screws
to attach the assembly.
4. Attach the camera’s surface
mount base (junction box) to
the wall mount.
5. Connect all cables and snap
the camera module onto the
base.
6. Adjust the camera and
secure the dome cover over
the camera module.
11
PENDANT MOUNT INSTALLATION INSTRUCTIONS*
1. Verify all parts are in the box.
2. Attach the top shield to the
pendant mount.
3. Run all necessary cables
from the ceiling to the mount.
4. Use the mounting template
to make pilot holes. Use the
dry wall anchors and wood
screws to attach the assembly
to the wall.
5. Connect all cables and verify
camera is operating properly.
6. Attach the camera to the
ceiling mount and secure the
dome cover properly.
12
CORNER MOUNT INSTALLATION INSTRUCTIONS*
1. Verify all parts are in the box.
2. Attach the two compression fittings to the
corner bracket.
3. Attach the wall mount bracket to the corner
mount using the machine screws.
4. Mount the camera assembly to the corner of
the wall, using wall mount anchors and
machine screws.
13
UTP SYSTEM*
Passive to Passive
Passive UTP
Monitor
UTP Cable (Max.300ft)
DVR(Digital Video Recorder)
Including the passive UTP
Passive to Active
Active UTP
Monitor
UTP Cable (Max.3,000ft)
DVR(Digital Video Recorder)
Including the passive UTP
14
CONNECTING TO MONITORS*
Follow the diagram below to make proper connections to a Monitor or CRT Monitor.
DC 12V / AC 24V
CCTV Monitor
IR
NO IR
Up
Left
Right
Down
2nd Video Output
Monitor
300.0
Power Connection - 12V DC / 24V AC Dual Voltage (Auto Polarity Detection and Protection)
All cameras are equipped with a second video output on the camera’s Control Board.
15
ADJUSTING THE CAMERA*
Follow the instructions provided below to make any lens adjustments.
Focus
Zoom
IR
Zoom: Tele
Focus: Far
-
Wide
Near
NO IR
1
Loosen the Zoom & Focus Handles by rotating them counter-clockwise.
2
Adjust the Field of View by moving the handle to the RIGHT (Tele) to zoom in, or to
the LEFT (Wide) to zoom out.
3
Adjust the Focus the same way as described able AFTER the desired Zoom position
is established.
4
Once all desired adjustments have been made, please tighten the handles back by turning
them clockwise.
16
ADJUSTING 3-AXIS GIMBAL*
The Gimbal mechanism yields maximum rotation and placement as show below.
NO IR
Rotation 360
NO IR
Tilting 90o
o
IR
NO IR
Panning 360
o
IR
IR
o
Tilting 75
17
MODULE OSD MENU*
EXPOSURE
COLOR
DAY NIGHT
LENS
WB MODE
D&N MODE
E. SHUTTER
R-Y GAIN
C-SUP
B-Y GAIN
A-SUP
EXIT JUMP
EXIT JUMP
Manual / DC (0~99)
x256 ~ x2, 1/60, 1/100 FLC,
1/120 ~ 1/100000
BLC (Backlight Compensation)
OFF / ON
MAX-DR (Electronic Wide Dynamic Range)
OFF/ ON (0 ~ 20)
AWC / ATW / MANUAL / PUSH
0~255
AUTO / COLOR / B&W
0~100
0~255
EXIT / SAVE & EXIT / FACTORY SET
0~100
EXIT / SAVE & EXIT / FACTORY SET
AGC (Auto Gain Control)
OFF/ LOW / MIDDLE / HIGH
STARLIGHT
OFF, X2 ~ X256
EXIT JUMP
EXIT / SAVE & EXIT / FACTORY SET
FUNCTION
MOTION
MOTION
MIRROR
OFF/ MIRROR
SHARPNESS
0~25
GAMMA
0.45~1.00 / USER
NEGA
OFF / ON
3D DNR (3D Digital Noise Reduction)
OFF / LOW / MIDDLE/ HIGH
OFF / ON
SET WINDOW
ALL SET (Set the Entire Screen)
ALL CLEAR (Clear the Entire Screen)
SENSITI. (0~120)
SHOW INDI. (OFF / ICON / TRACE)
DELAY OUT (1~15)
(Motion Alarm Zoom-In Delay)
EXIT JUMP
EXIT / SAVE & EXIT / FACTORY SET
PRIVACY
MASK1
OFF / ON
MASK2
OFF / ON
MASK3
OFF / ON
MASK4
OFF / ON
MASK5
OFF / ON
HME (Highlight Masking Exposure)
MASK6
EXIT JUMP
EXIT JUMP
OFF / ON
OFF / ON
EXIT / SAVE & EXIT / FACTORY SET
EXIT / SAVE & EXIT / FACTORY SET
SYNC
CAMERA ID
V-PHASE
TITLE
EXIT JUMP
DPC (Dead Pixel Cancellation)
INTER. / AUTO
0~199
EXIT / SAVE & EXIT / FACTORY SET
0~254 (RS485 ID)
OFF / ON
OFF / AUTO
MONITOR
CRT / LCD
LANGUAGE
ENGLISH / CHINESE
BAUDRATE.
2400/ 4800/ 9600/ 14400/ 19200/ 38400
(Pelco-D fixed)
OMNI LENS
OFF / 0 (OMNI-Plus Camera only)
EXIT JUMP
EXIT / SAVE & EXIT / FACTORY SET
18
EXIT
SET-UP
SYNC MODE
EXIT
SAVE & EXIT
FACTORY SET
EXPOSURE
LENS
MANUAL MANUAL mode supports
a Fixed Board lens
or a Manual Iris lens.
DC
DC mode supports an
Auto-Iris Varifocal lens.
Select DC and control Joystick to
adjust the brightness level from
0~99.
.
E. SHUTTER
1/60 is the default shutter speed.
Select a shutter speed from X256
to 1/100000.
Select 1/100FLC for flickerless mode.
19
EXPOSURE
BLC
Backlight compensation prevents subjects in
defined areas of the scene from appearing
too dark when backlighting is present.
MAX-DR
Max Dymanic Range provides clear images
even when strong backlighing is present.
Select MAX-DR ON or OFF.
When MAX-DR is ON, BLC will be disabled.
20
When BLC is enabled, adjust the BLC Level in five areas in
the screen. Each level can be adjusted from 0 to 255. Move the
joystick controller LEFT and RIGHT to adjust the values in
each area. Move the joystick controller UP and DOWN to
switch between areas. When all adjustments have been
made press the joystick controller to return to the main menu.
When ON selected, the Max-DR level
can be adjusted from 0 to 20.
EXPOSURE
AGC
Auto Gain Control automatically adjusts the
video gain to enhance picture brightness in low
light conditions.
Select AGC OFF / LOW / MIDDLE
. / HIGH
STARLIGHT
Starlight automatically activates the slow shutter
function when a scene is too dark. Adjust
the frame integration level from X2 to X256.
EXIT JUMP
EXIT
SAVE & EXIT
FACTORY SET
Exit the OSD without saving.
Exit the OSD after saving the current settings.
Go back to factory default settings.
21
COLOR
WB MODE
AWC
Auto White Balance Control mode compensates
for color temperature changes between 2000K
and 18000K.
ATW
Auto Tracking White Balance Control mode
compensates for color temperature changes
between 2500K and 9500K.
MANUAL
Users can control the white balance manually by
changing RED GAIN and BLUE GAIN below.
PUSH LOCK
Push Lock is to fix the white balance based on
current lighting.
R- Y GAIN
Adjusts the amount of red in the image.
B- Y GAIN
Adjusts the amount of blue in the image.
0~255
0~255
.
EXIT JUMP
EXIT
SAVE & EXIT
FACTORY SET
22
Exit the OSD without saving.
Exit the OSD after saving the current settings.
Go back to factory default settings.
DAY NIGHT
DAY & NIGHT
AUTO
Camera switches between day and night
automatically depending on certain light
levels.
COLOR
Camera always stays in day mode.
BW
Camera always stays in night mode.
※ If AUTO is selected, please define the following settings.
▪ BURST: ON / Off. If ON is selected, the camera provides a color burst signal in
night mode. If OFF, no color burst signal is provided.
▪ COLOR → BW: Adjusts the light level at which the camera switches from
day (color) to night (BW) mode. The higher the number, the lower the light level.
▪ BW → COLOR: Adjusts the light level at which the camera switches from
night (BW) to day (color) mode. This number should be lower than the value of
COLOR→BW above.
▪ Read Time: Sets how many seconds camera waits to adjust between COLOR → BW and
BW → COLOR . Select from 3~12 seconds.
C-SUP.
Adjusts the color suppressing level. (3D-DNR must be OFF to adjust this level.)
A_SUP.
Adjusts aperture suppressing level. (3D-DNR must be OFF to adjust this level.)
0~100
0~100
EXIT JUMP
EXIT
SAVE & EXIT
FACTORY SET
Exit the OSD without saving.
Exit the OSD after saving the current settings.
Go back to factory default settings.
23
FUNCTION
MIRROR
Flips the image horizontally.
SHARPNESS
Sets the image sharpness.
The higher number, the sharper the image.
However, the higher the number, the more
digital noise the image may have.
GAMMA
Controls the output signal level. The higher the
setting, the darker the dark colors will be.
0.45 is default.
Negative reverses the color signals
(C and Y).
MIRROR / OFF
0~25
NEGA
ON / OFF
3D DNR
Digital Noise Reduction reduces the
noise/distortion on the screen at night, allowing
for clearer images in low light conditions.
Select OFF / LOW / MIDDLE / HIGH
24
FUNCTION
HME
Highlight Masking Exposure masks
highlights allowing objects to appear more
clearly.
If ON is selected, the HME level can
be adjusted from 0 to 60.
EXIT JUMP
EXIT
SAVE & EXIT
FACTORY SET
Exit the OSD without saving.
Exit the OSD after saving the current settings.
Go back to factory default settings.
25
MOTION
MOTION
The camera can detect movement and
display an alarm on the screen when
movement is detected.
SET WINDOW
If ON is selected, 1 ~ 240 motion areas appear
Select from 1 to 240 cells. To exit: go to cell
in upper right-hand corner and move joystick to the right to
return to the OSD menu.
ALL SET
Select all cells.
ALL CLEAR
Cancel selection.
SENSITI.
Adjusts sensitivity level of motion
detection from 0 to 120.
Note: This menu will be disabled if MOTION is OFF.
26
MOTION
SHOW INDI. TRACE
Set the motion detection indicator to OFF / ICON / TRACE.
If ICON is selected, a blue bell will appear in the upper left
hand corner of the screen when motion is detected. If TRACE
is selected, the area where motion was detected will be
highlighted. This menu will be disabled if Motion is OFF.
DELAY OUT
Select how long the alarm will be dispayed on
the screen when motion is detected. Select from
1 to 15 seconds. This menu will be disabled
if Motion is OFF.
EXIT JUMP
EXIT
SAVE & EXIT
FACTORY SET
Exit the OSD without saving.
Exit the OSD after saving the current settings.
Go back to factory default settings.
27
PRIVACY
Parts of the screen can be hidden by
privacy masking. A total of 6 different privacy
masking zones are available.
MASK 1~ MASK 6
OFF / ON
Select ON or OFF for each mask
(MASK 1 through 6).
If ON is selected, you can set the area to be masked and the shape and color of the mask.
Select SET WINDOW. The masking zone will appear. Press the joystick button to select or deselect
the gray squares on the corner(s), then move the joystick left, right, up, or down to adjust the shape
of the masking zone. Continue pressing the joystick button to return to the OSD menu. To change the
color of the box, select COLOR SET.
EXIT JUMP
EXIT
SAVE & EXIT
FACTORY SET
28
Exit the OSD without saving.
Exit the OSD after saving the current settings.
Go back to factory default settings.
SYNC
SYNC MODE
Select AUTO / INTER.
.
- Select AUTO (L/L) to synchronize video signals
when two or more cameras are using AC
power in a switching system.
V-PHASE
When more than two cameras are installed in a
switching system, phase difference in the AC
powder line can occur. Therefore, the vertical
phase must be adjusted. Select from 0 to 199.
Note: This feature is available only when the
camera’s Sync Mode is set to AUTO.
EXIT JUMP
EXIT
SAVE & EXIT
FACTORY SET
Exit the OSD without saving.
Exit the OSD after saving the current settings.
Go back to factory default settings.
29
SET-UP
CAMERA ID
Assign an ID number for the camera. Select
a value from 0 to 254 .
TITLE
Display a title for the camera on the screen.
Select ON / OFF .
If ON is selected, define the following settings.
- EDIT to select characters.
- RESET to clear the title.
- POSITION to select where to display the title.
30
SET-UP
DPC (Dead Pixel Cancellation)
Dead Pixel Cancellation automatically removes
defective pixels in real time.
Select OFF or AUTO.
If AUTO is selected, define the following:
- WHITE THR.: Cancels the white defective
pixels.
- BLACK THR.: Cancels the black defective
pixels.
- DPC Level (0 ~ 255) - Adjusts the sensitivity
level of the dead pixel cancellation.
MONITOR
Select monitor settings based on the monitor
you use.
Select CRT / LCD.
31
SET-UP
LANGUAGE
Select language to dislpay on the monitor.
Select ENG / CHN.
BAUDRATE
Adjust the data communication speed.
Select 2400 / 4800 / 9600 / 14400 / 19200 / 38400.
32
SET-UP
OMNI LENS
Set the OMNI LENS menus when you use an Omni Focus
Lens.
If 0(=ON) is selected, set the following sub-menus.
- ALARM
Works with the MOTION DETECT function.
When motion is detected, the camera gives
off an alarm. Select ON or OFF.
- READ TIME
Set how many seconds to stay zoomed
in when alarm occurs. Select from 3 to 12 seconds.
- ALARM ZOOM Set zoom rate when alarm occurs.
Select from 0 to 44.
- STAND BY
The zoom rate in a normal
scene. Therefore, when an alarm
disappears the zoom rate goes back
to the STAND BY rate. Select from 0-44.
EXIT JUMP
EXIT
SAVE & EXIT
FACTORY SET
Exit the OSD without saving.
Exit the OSD after saving the current settings.
Go back to factory default settings.
33
EXIT
EXIT
Exit the OSD without saving.
SAVE & EXIT
Exit the OSD after saving the current settings.
FACTORY
Go back to factory default settings.
34
TROUBLESHOOTING
Before sending your camera for repair, check the following or contact our technical specialist.
No VIDEO
Check the coaxial cable and make sure it is connected securely.
Check the lens’ iris adjustment at the menu setup of the camera.
Check the power supply and make sure the camera has the proper voltage and current.
Out-of-Focus VIDEO
Check the clear dome cover and the lens for dirt or fingerprints. Use a soft cloth and gently clean.
Check the lens manual focal and zoom adjustment. A field test monitor is recommended.
35
WARRANTY INFORMATION*
Digital Watchdog (referred to as “the Warrantor”)
warrants the Digital Watchdog Camera against defects in
materials or workmanship as follows:
LABOR : For the initial five (5) years and one (1) year on IR LED
from the original purchase date,
if the camera is determined to be defective, the Warrantor will
repair or replace the unit with a new or refurbished product at its
option at no charge.
PARTS : In addition, the Warrantor will supply
replacement parts for the initial five (5) years and one (1) year on IR LED.
To obtain warranty or out of warranty service,
please contact a Technical Support Representative at
1-866-446-3595 Monday through Friday from 8:30AM to 8:00PM
Eastern Standard Time.
A purchase receipt or other proof of the original purchase date is required
before warranty service is rendered. This warranty only covers failures due to
defects in materials and workmanship which arise during normal use.
This warranty does not cover damage which occurs in shipment or failures
which are caused by products not supplied by the Warrantor or failures
which result from accident, misuse, abuse, neglect, mishandling,
misapplication, alteration, modification, faulty installation, set-up adjustments,
improper antenna, inadequate signal pickup, maladjustment of consumer controls,
improper operation, power line surge, improper voltage supply, lightning damage,
rental use of the product or service by anyone other than an authorized repair
facility or damage that is attributable to acts of God.
36
LIMITS AND EXCLUSIONS*
There are no express warranties except as listed above.
The Warrantor will not be liable for incidental or consequential
damages (including without limitation or damage to recording media),
resulting from the use of these products or arising out of any breach
of the warranty. All express and implied warranties, including the
warranties of merchantability and fitness for particular purpose,
are limited to the applicable warranty period set forth above.
Some states do not allow the exclusion or limitation of incidental
or consequential damages or limitations on how long an implied
warranty lasts, so the exclusions or limitations listed above may not
apply to you. This warranty gives you specific legal rights, and you
may also have other rights that vary from state to state.
If the problem is not handled to your satisfaction,
then write to the address listed on the last page.
Service calls which do not involve defective materials or
workmanship as determined by the Warrantor, in its sole
discretion, are not covered. Costs of such service calls are
the responsibility of the purchaser.
37
SPECIFICATIONS*
VIDEO
Image Sensor
960H CCD
Total Pixels
1020 (H) x 507 (V), 520K Pixels
Scanning System
2 : 1 Interlace
Frequency
Synchronization
15.734KHz (H), 59.95Hz (V)
Internal or Auto
Horizontal Resolution
650 TV Lines [Color], 700 TV Lines [B/W]
Minimum Illumination
F1.2 (30IRE): 0.3 Lux [Color]
S/N Ratio
Video Output
LENS
38
F1.2 (30IRE): 0.0 Lux [B/W]
50dB (AGC off)
CVBS: 1.0Vp-p / 75 Ω
Focal Length
Lens Type
3.3-12mm
DC Auto Iris
IR Distance
OPERATIONAL
Shutter Speed
70ft Range
Backlight
Auto Gain Control
MAX-DR
Star-Light
3D Digital Noise Reduction
White Balance
OFF / ON
OFF / LOW / MID / HIGH
OFF / ON
OFF / X2-X256
OFF / LOW / MID / HIGH
AWC / ATW / MANUAL / PUSH
MANUAL / 1/60s-1/100000s
Day and Night
AUTO / COLOR / BW
Mirror
OFF / MIRROR
OPERATIONAL
Sharpness
Gamma
0~25
MANUAL / 0.45 / 0.60 / 1.00
Motion Detection
OFF / ON
Privacy Zones
OFF / ON (6 Programmable Zones)
Title
ON / OFF (Up to 16 Characters)
Language
ENVIRONMENTAL
ENGLISH / CHINESE
Operating Temperature
Operating Humidity
-10oC ~ 55oC (14oF ~ 131oF)
Less than 90% (Non-Condensing)
Storage Temperature
IP Rating
-20oC ~ 70oC (-4oF ~ 158oF)
IP68 (Protects against dust and immersion beyond 3ft.)
ELECTRICAL
Power Requirement
Dual (DC12V & AC24V)
Power Consumption
MECHANICAL
Housing Material
Dome Cover Material
Dimensions
Weight
DC12V: 2.2W, 183.3mA / LED ON 5.0W, 416.7mA
AC24V: 2.3W, 95.8mA / LED ON 4.7W, 195.8mA
Aluminum
Polycarbonate
∅139 X 118.8 mm (∅5.47 X 4.7 in)
2.05 lbs
39
5436 W. Crenshaw St. Tampa, FL 33634
Tel : 866-446-3595 / 813-888-9555
Fax : 813-888-9262
www.Digital-Watchdog.com
[email protected]
Technical Support Hours : Monday-Friday
8:30am to 8:00pm Eastern Time
Was this manual useful for you? yes no
Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Download PDF

advertisement