Ad
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a
Setting the Camera — Camera setting Page
18
Image quality
Select the image quality from
Level 1
to
Level 10
.
A higher level gives a higher image quality, but the
frame rate decreases as the data size increases.
Tip
The following table shows the relation between the data
size of a 24-bit image (8 bits for each R, G and B), and
the compression rate for each Level setting.
(in case of 640 × 480 image)
Image Flip
You can display the image flipped vertically on the
computer.
When you install the camera upside down, select
On
to
view the image in correct way.
Note
When
On
is selected, the composite video signal output
from the video output connector (BNC connector) on the
rear of the camera is also flipped.
Image
Select
Color
or
Monochrome
.
Area setting
When the image size is
736 × 480
or
640 × 480
for the
SNC-Z20N, or
736 × 544
or
640 × 480
for the SNC-
Z20P, you can trim a portion of the image and display
the trimmed image on the computer. With the trimming,
the transmitting data size, and thus, the network load is
reduced and a higher frame rate is obtained.
Select
On
for trimming the image, or
Off
for no
trimming.
Click
Area setting
to display the Area setting page.
Select mode
Select the image trimming mode.
Base on the image center:
The image is trimmed using
the center of the image as the reference point. This
setting is recommended when you perform zooming.
Random:
The image is trimmed as you specify. This
setting is recommended when you fix zooming.
To trim an image
1
Set the Image size menu to
736 × 480
or
640 × 480
for the SNC-Z20N, or
736 × 544
or
640 × 480
for
the SNC-Z20P.
2
Set the Area setting menu to
On
, and click
Apply
.
3
Click the Area setting button.
A still image is displayed.
4
Select the image trimming mode with the Select
mode menu, and specify the trimming portion.
When Based on the image center is selected:
Click on the still image. The red frame that appears
when you clicked indicates the trimming portion.
Level
Data size (approx.)
Compression rate
(approx.)
1
15 KB
1/60
2
18 KB
1/50
3
22.5 KB
1/40
4
25.7 KB
1/35
5
30 KB
1/30
6
36 KB
1/25
7
45 KB
1/20
8
60 KB
1/15
9
90 KB
1/10
10
180 KB
1/5
