2
Chapter III System Feature
3.1 High-Performance Image
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The High-speed PTZ cameras utilize the newly developed 1/4"
CCD that features significantly optimized image quality and
dramatically reduced smear level.
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The
Digital Slow Shutter
(
D.S.S.
) allows the camera a
considerably long exposure time of 1/1.5 second, enabling it to
capture more color data. This also greatly enhances the camera's
sensitivity.
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Optional 36X, 35X, 28X, 23X, 22X and 18X optical zoom lenses
are provided to meet various needs. Combined with an up to 12X
digital zoom, the maximum zoom ratio can reach 432X, 420X,
336X, 276X, 264X and 216X respectively.
3.2 Outstanding A.I. Camera
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The PTZ cameras provide continuous
auto focus
to help
operators navigate a surveillance site or trace a moving subject.
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The pan and tilt speeds are automatically adjusted in proportion
to the zoom multiple. This capability ensures steady images when
the camera moves.
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When surrounding illumination changes, the camera
automatically adjusts its iris size (“
auto iris
”) to keep the output
image at a fixed level of lighting.
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The “
auto white balance
” function features built-in sensors to
measure the current color temperature, and uses an algorithm to
process the image so that the final output image may be close to
what the human eyes see.
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Operators can use the “
backlight compensation
” feature to
automatically adjust the exposure level for an object in a strong
light background, so as to avoid a sharp contrast of brightness and
darkness that usually leads to a vague silhouette of the object.
3.3 Open Protocol Design
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The High-speed PTZ cameras are compatible with multiple
protocols, such as PELCO-P/D, INFINOVA and Up the Coax.
This wide compatibility enables the PTZ camera to be used in
various CCTV systems including those from other leading
manufacturers.
3.4 Automated Operation
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Up to 255
presets
(pre-defined pan/tilt/zoom positions) can be
programmed and stored in the non-volatile memory of the PTZ
camera. Each preset can be called up either manually via
keyboard or automatically upon home position.
Note:
The number of presets varies in different protocols.
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In addition to presets, the High-speed PTZ cameras also provide
four
patterns
(recorded navigation course) to facilitate routine
surveillance. Users can easily call up a pattern with simple
keystrokes.
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Up to 4 “
AUTOPAN
”, once called up, enables the PTZ camera to
scan through a surveillance area automatically. A description title
for the AUTOPAN can be programmed and stored in the PTZ
camera.
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6
Tour
could be set at the most and each tour could link with 16
actions, which could be PRESET, PATTERN or AUTOPAN and
the period could be set independently.
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The PTZ camera, after receiving no command for a certain period
of time, will automatically return to a preset position (“home
position”). This allows the PTZ camera to keep an “eye” on a key
area even if an operator has carelessly pointed it at an
insignificant position.
3.5 Area Partition and Privacy Mask
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With the help of the “
area partition
”, users can divide the whole
surveillance area into a maximum of 16 sections, and define a
16-character description title for each section.
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To prevent users from viewing a specific sensitive place, the
High-speed PTZ cameras feature a “
privacy mask
” that can
screen out the undesirable area.
3.6 Intuitive Menu Programming
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The High-speed PTZ cameras provide text overlay menus for
setting up operation parameters. The menus are mostly
self-explained and easy to operate. To configure these parameters,
users only need to move the joystick.
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Various functions may be programmed via on-screen menus,
including lens and pan/tilt parameters, camera A.I. controls,
on-screen title descriptions, area partition, privacy mask and other
automatic operations.
3.7 Wide Application & Easy Installation
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The PTZ cameras are designed to meet the needs of an
ever-changing market of CCTV security/surveillance. They stand
out in applications from state security to residential communities,
and from luxury hotels to hostile outdoor environments.
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With their compact structure and user-friendly design, the PTZ
camera can be installed easily and quickly at any location. This
timesaving advantage becomes especially useful when the
installation site is large and the surveillance spots are scattered.