UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Rise and fall of Timex Dundee

SiriusHardware · 12th Nov 2019, 7:19 pm

Points of trivia:

The ZX81 / Timex 1000 wasn't a colour (or should I say color?) machine so 'NTSC' may not be the right terminology in this context. Certainly it would have had a modulator specifically aimed at the USA TV system - VHF perhaps?

The USA version also had 2K of RAM as standard rather than the 1K the base model sold with in its home territory. It had two switchable TV output channel frequencies. Presumably they didn't have a 'default' TV channel for low power RF TV devices, the way UHF channel 35 seemed to have been adopted here.

12th Nov 2019, 7:19 pm	#5
SiriusHardware Dekatron Join Date: Aug 2011 Location: Newcastle, Tyne and Wear, UK. Posts: 11,556	Re: Rise and fall of Timex Dundee - BBC iplayer Points of trivia: The ZX81 / Timex 1000 wasn't a colour (or should I say color?) machine so 'NTSC' may not be the right terminology in this context. Certainly it would have had a modulator specifically aimed at the USA TV system - VHF perhaps? The USA version also had 2K of RAM as standard rather than the 1K the base model sold with in its home territory. It had two switchable TV output channel frequencies. Presumably they didn't have a 'default' TV channel for low power RF TV devices, the way UHF channel 35 seemed to have been adopted here.