The Telehealth Cart software can be configured to capture still images from a variety of video devices. On many Telehealth V3 and V4 Carts, video signals from a video otoscope and/or a dental camera are brought in via a special video capture card installed in the computer. When this approach is used, the user interface for capturing images into a case works as described in the sections on Add Video Otoscope Images and Add Dental Camera Images. The following screen image is typical for this approach:
While the screen above typically is used in conjunction with the video otoscope and/or dental camera, other video devices can be connected and used.
Another strategy for capturing still images from video devices is to do so via a USB port. Some video devices, such as a digital video camera, can be connected directly to a USB port. This may be a device permanently installed on a Cart (such as the Pan-Tilt-Zoom camera), or the device may be connected to the USB port on the media expansion panel on the left side of the Cart. Other video devices generate a standard video signal (either s-video or composite video). These devices can be used with a video-to-USB converter and connected to a USB port. The following screen is typical for video devices connected to a USB port.
The only difference in the user interface is the addition of a Video Settings button. The Video Settings button brings up the following window:
In most situations, it is best to use the default settings.
NOTE: Any changes made to the video settings on this screen do not persist after the Video Source window is closed.
The Video Source pull-down menu allows a different USB-based video source to be selected. This would be handy when using the USB port on the media expansion panel.
The Video Size pull-down menu allows selection of a different resolution for display.
The Settings button opens the device manufacturer’s settings.