The player window is used to display video, audio, stills, PDF and text files. The player window will be present all the time in the user interface, so you at any time can see your content.
ioGates a proxy file so you can view your original source regardless of how big the file is. Each account can have its own proxy preview quality specs, and the proxy preview can have a watermark, burn-in timecode, or title safe. Use the arrows to go back and forward, spacebar to start and stop. JKL to change the speed forward and backward. 
Audio files
For any audio file upload, ioGates also create a proxy preview, and there are the same functions to control the audio as with the video.
Still pictures
ioGates support nearly all still picture codecs, also RAW. Click on the picture in the player window, and a high-resolution image will open.
Text files
ioGates can display text files and also the Markdown language.
PDF files
If the browser support PDF, then ioGates can display the PDF files.
Expand of workspace
You do this by click on the begining of the menu barn with these two bottoms.
