JVC VN-V686U Instructions Manual page 55

B
Auto Tracking
Restart Time
Auto Tracking
Level
C
Limit
EZoom Limit
This function automatically tracks and shoots moving objects when the camera is
at home position.
:
Memo
● Auto tracking may be difficult under the following conditions.
● When multiple moving objects are in the same screen.
● When there is a flickering light source in the screen.
● When the speed of the moving object is too fast or slow.
● When the moving object is too big or small
● When the object and background have same brigthness.
● Dark images can be improved with the [Sense Up] (A Page 41) function
but the tracking may be slow.
Note:
● The Auto Tracking function of this camera detects changes in brightness.
As such, depending on changes in the illumination, it may or may not
detect movement of objects having the same color as the background
color. It may be difficult to detect objects with very slow movement. Check
the operating conditions thoroughly beforehand and configure the
settings such that there will not be any misoperation or omission of
detection.
● This function starts from home position and initial detect area is the
screen of the home position without enlargement by [Stabilizer] (A Page
40). When [Stabilizer] is set to AOnB, as the screen is enlarged, it will also
respond to motion of image which is not shown on the screen. This is the
specification of this unit, not a malfunction.
This item sets the duration to return to the home position when there is no
movement in the images after auto tracking starts.
[Setting values: Off, 10seconds, 20seconds, 30seconds, 40seconds,
50seconds, 60seconds, 120seconds]
Note:
● When the [Mode] item of [Auto Return]A is set to AAuto TrackingB and the
[Return Time] is set shorter than the [Restart Time] for [Auto Tracking]B,
the camera will operate according to the [Return Time].
This item sets the detection sensitivity.
To lower the sensitivity B Decrease the number
To increase the sensitivity B Increase the number
[Setting range:0 to 10]
When the zoom lens is operated to TELE side, optical zoom works and electronic
zoom works after optical zoom becomes full. This item sets the maximum value
of the electronic zoom function.
[Setting range:Off, 1, 2, 4, 8, 16, 32]
:
Memo
● As electronic zoom processes the images digitally, image quality will
deteriorate somewhat.
● Increasing the electronic zoom ratio will shift the center of the screen toward
the top left. This is a characteristic of this camera and is not a malfunction.
● The camera will not operate continuously from optical zoom to electronic
zoom. When the optical zoom is full, release and press again the [+] button of
[Zoom] in [PTZ Controller].
[PTZ Controller Operation] (A Page 106)
55