VINTAGE ZENITH SPACE Commander 400 1959 TV Television Remote Control - $23.50. Super cool old remote. Look at all pictures for details. Good Luck US Buyers Only 302991650227. Welcome, this listing is for a ZENITH SPACE COMMANDER 400 TV Remote. ZENITH SPACE COMMANDER 300 Television Remote Comes with the original bag pouch.. Zenith Space-Command 400 Series Manuals Manuals and User Guides for Zenith Space-Command 400 Series. We have 1 Zenith Space-Command 400 Series manual available for free PDF download: Service Manual. View online or download 1 Manuals for Zenith Space-Command 400 Series. Besides, it’s possible to examine each page of the guide singly by using the scroll bar. This way you’ll save time on finding the necessary info.. Space Coommand turns TV on and off, changes channel, adjusts volume, shuts off sound while picture stays on. Remote Control for the Zenith Grenshaw Model D3015 television. Model page created by Franz Scharner .. That is also a Space Commander 400. Yet there is another Space Commander 400 in the same form factor as the 300 and 600 shown above. Zenith used the exact same name for different products, one of the cardinal sins in product marketing. So now what?.