Depending on the make and model, the viewer will have a number of different features. They will generally have a software component to go along with the hardware, and the hardware will feature a number of different inputs and outputs. The number of sources can vary. Some may only allow for four sources, while others may allow for up to 16 or more sources. Some of the devices are controllable through the control panel on the hardware, and others allow for use of software controls as well. This is helpful in the event that access to the front panel is restricted for some reason.
How multi-viewers work
The multi-viewer is able to route several video images to a single display. The devices are helpful during live use, but they are also great for use in the studio and while editing. Being able to see a variety of images at the same time can make putting together videos faster and easier, just as it can make switching back and forth between shots during live performances easier.
A multi-viewer is a tool that you will find in many broadcast rooms today, as well as on film sets and in editing bays. The devices are capable of showing a number of images at the same time, and in different resolutions, all on a single display. This is useful for broadcasts, as it allows the user to see various camera angles, and then make the choice to cut back and forth between different ones.
A number of different companies today are making multi-viewers. The following are some of the most well known manufacturers: