Canon VB-S30D Operation Manual page 127

transmitting just part of the camera effective pixel area
from the camera to the viewer.
Note
• For details on how this function differs from Viewer PTZ, see
p. 132.
• If digital PTZ is enabled while receiving H.264 video, the
received video changes to JPEG format.
Opening the Digital PTZ Panel
Click the [Digital PTZ] button to display the Digital PTZ
panel.
The appearance of the [Digital PTZ] button differs as
follows depending on the state of the Digital PTZ function.
Digital PTZ is disabled (displays the scene as seen by
the camera).
Digital PTZ is enabled (displays trimmed video).
Specifying a Cropping Range
Change the position and size of the preview frame on the
Digital PTZ panel to specify the range to display in the
video display area.
The preview frame is blue when you have not obtained
camera control privileges. When you obtain camera
control privileges, the preview frame turns yellow and you
can use the following procedures to resize and move it.
Changing the Size
You can resize the preview frame by dragging it. The
preview frame turns blue during dragging. The video
inside the frame is displayed in the video display area in
accordance with the size of the frame.
Note
• The preview frame size can be set to any of five sizes (the
changed size is displayed under [Video Size] on the digital
PTZ panel).
The sizes that can be selected depend on the [Video Size Set]
setting under [Video] > [All Videos] on the Setting page (p. 46).
If the video size set is [1920 x 1080 / 960 x 540 / 480 x 270] or
[1280 x 720 / 640 x 360 / 320 x 180], video sizes 640 x 360, 512 x
288, 384 x 216, 256 x 144, and 128 x 72 can be selected. The
aspect ratio is 16:9.
If the video size set is [1280 x 960 / 640 x 480 / 320 x 240],
video sizes 640 x 480, 512 x 384, 384 x 288, 256 x 192, and
128 x 96 can be selected. The aspect ratio is 4:3.
• If the size of the preview frame becomes larger than the
display size specified in the display size setting of the viewer,
the quality of the video in the video display area deteriorates.
Changing the Position
You can move the preview frame by dragging the inside
of the frame.
If you click any position in the Digital PTZ display area, the
preview frame moves to the clicked position.
Note
The preview frame moves in stages. You cannot finely adjust the
position.
Specifying a Range with the Sliders
You can use the pan, tilt, and zoom sliders for the video
display area to specify the cropping range in the video
display area. The preview frame on the Digital PTZ panel
also moves in accordance with the operation of the pan,
tilt, and zoom sliders.
Using a Preset or the Home Position
You can use a registered preset or home position to
specify the range for Digital PTZ.
How to Operate the Viewer
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