On Screen Display
The On-Screen Display [ ɒnskɹi ː n dɪspleɪ ] (English " display ", abbreviated OSD ) is a menu that is (eg a TV, computer screen or video goggles ) appears over the current image. It is primarily used to display additional information and can moreover be used to control a device ( for example, to make adjustments or to navigate the teletext; via buttons on the remote control or the monitor, you can move within the menu ). The OSD is multilingual in modern equipment.
Also, certain, controlled by computer graphic applications text window can be referred to as OSD.
By using a portion of the high-resolution screen ( as opposed to a coarse - gridded display), the OSD are clearly recognizable icons ( in color ) are available. As a result, the user experience and increases the training time can be shortened.
Similarly, the use of an OSD technology saves the incorporation of other control indicators. Thereby, the manufacturing cost can be reduced.
The OSD always obscures part of the actual image. This can be bothersome, especially if minor changes for almost the entire image is covered. Often more than 40 % of the total image area to be covered solely for the display of the volume change.
Areas of application
- Navigating in teletext
- Display of telemetry during FPV flight