Milestone Smart Client 3.6 - Manual (Page 30)

Milestone XProtect Smart Client 3.6; User’s Manual
Note: While using a reduced image quality helps limit bandwidth use, it will—due
to the need for re-encoding images—use additional resources on the surveillance
system server.
• Frame Rate: Lets you select a frame rate for the carousel. Select between
Unlimited (default), Medium, or Low. The setting will apply for all cameras included
in the carousel. The effect of your selection can be illustrated by the following
table:
Effect Unlimited Medium Low
JPEG Send all frames Send every 4th
frame
Send every 20th
frame
MPEG (I-frame) Send all frames Send all frames Send all frames
MPEG (P-frame) Send all frames Do not send any
frames
Do not send any
frames
Example: If you set the Frame Rate option to Low in your Smart Client, and your
surveillance system administrator has configured a camera to feed JPEG images at
a frame rate of 20 frames per second, you will experience an average of 1 frame
per second when viewing video from the camera in the carousel. If your
administrator had configured a camera with a feed as low as 4 frames per second,
you would, with Frame Rate set to Low in your Smart Client, experience an average
of 0,2 frames per second when viewing video from the camera in the carousel.
• Maintain Image Aspect Ratio: If check box is selected, the cameras’ original
image aspect ratio will be maintained; this will provide you with non-distorted
images, but may lead to black bars appearing above/below images.
If check box is cleared, images will be stretched to fit the carousel; this may lead to
slightly distorted images, but you will avoid any black bars appearing around the
images. The setting will apply for all cameras included in the carousel.
Tip: If you later want to edit settings in the Carousel Setup window, select the required
carousel position in the view, then click the Properties section's Carousel Setup button.
Tip: You are able to use several carousels in a single view.
Adding Hotspots
With a hotspot, users will be able to select a camera in the view, and view enlarged and/or higher
quality images from the selected camera in the view’s hotspot.
For the hotspot you would usually select a one of the view’s larger positions, for example the large
position in a 1+7 view:
The fact that you can view enlarged images in the hotspot is not in itself what makes the hotspot
useful; you can enlarge any image in a view by double-clicking the image. What makes the hotspot
useful is that with a hot spot you can use a low image quality and/or frame rate for cameras in the
view’s regular positions and a high image quality and/or frame rate for the hot spot.
Then, only when users select a camera for viewing in the hotspot will it be displayed in high quality
and/or high frame rate. This can really help you save bandwidth on the remote connection.
To add a hotspot to a view, do the following on the Setup tab:
1. Drag the System Overview section’s Hotspot link to the required position in the view.
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