Auto Focus - JVC VN-H557U Instructions Manual

Make sure that the orientation is correct when
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you insert the SD card. Inserting the card forcibly
in the wrong orientation may damage the
camera or the SD card.
(A p.12 [Inserting a SD Card] )
Our company shall not be liable for any
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accidental damage caused to the data stored in
the card. Please back up important data on
devices such as a computer.
For more details, refer to "[Export(Y/M/
D-h:m:s)] menu" on the [SD card] operation
screen in the "INSTRUCTIONS" on the supplied
CD-ROM.
To erase data stored in the SD card completely,
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it is recommended that you make use of a
commercially-available data erasure software
program, or destroy the SD card physically such
as by using a hammer.
Use the card within the operational
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requirements. Do not use it at the following
locations.
Places exposed to direct sunlight.
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Places near thermal equipment.
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In a car under the sun with the windows
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closed.
Places subject to high humidity, corrosion,
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etc.
Do not bend or drop the card, or subject it to
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strong impact or vibrations.
Do not wet the card.
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Do not touch the connection terminals.
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Prevent dust, dirt, moisture or other foreign
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substances from being attached to the
connection terminals.
Do not peel off the label attached to the SD card,
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or attach another label of sticker over it. This may
cause the equipment to malfunction.
To write characters on a SD card, do not use a
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pencil or ballpoint pen. Make sure that a felt-tip
pen is used.
It may be difficult to remove some SD cards from
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the slot of the camera.
When removing the SD card from the card slot,
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it may sometimes pop out forcefully. Be careful
not to lose it.
Disclaimer
The motion detection, tampering detection, and
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audio detection features are not intended to
prevent theft or fire. Our company shall not be
liable for any inconveniences or failures that
occur.
We shall not be responsible for any losses
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incurred in the event of privacy invasion caused
by the videos captured by the camera or audio
of this product.
Saving Energy
If the camera is not to be used for a long time,
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turn off the power of the system for safety and
energy conservation reasons.

Auto Focus

Auto Focus operation can be performed on this
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product after the pan/tilt/zoom (PTZ) operation
stops.
For more details, refer to "Easy AF" on the [PTZ
Control] Page in the "INSTRUCTIONS" on the
supplied CD-ROM.
Easy AF may not be able to achieve focus
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depending on the camera setting, subject, and
light condition. In this case, set the focus
manually.
Objects which are difficult to be focused
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automatically.
When the brightness of the image plane is
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extremely high (bright).
When the brightness of the image plane is
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extremely low (dim).
When the brightness of the image plane is
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constantly changing (for example, a blinking
light).
When there is almost no contrast.
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When there are repetitive vertical striped
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patterns on the image plane.
Auto Focus is difficult to set under the following
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conditions.
When sensitivity is increased with AGC and
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the screen is grainy.
When there is less movement on the screen
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due to the Sense Up function.
When there is no clear contour in electronic
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zoom.
Zoom Operation
The following phenomena are the results of the
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built-in lens performance and are not
malfunctions.
When manual operation or preset is selected,
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focus moves slightly after the zoom operation
has stopped near the TELE end.
The zoom operation is not smooth during
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manual operation.
When Preset is selected, the camera
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becomes out of focus for an instant during
zooming.
Precautions
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