In cenotes we make a distinction between cave and cavern. Limits of a Cenote Cavern Dive : you are at a maximum distance of 67meters / 140feet from any exit (open water) you can always see the light from entrances. there are no restriction area : there is alway room for 2 people side by side.
1 In the non-canon music video for Derezzed, there is an arcade machine called Derezzed in place of the TRON arcade machine. 2  The Derezzed machine is labelled as being made by ENCOM, just as the TRON machine is labelled as such in TRON: Legacy.
Sears released several versions of the 2600 as the Sears Video Arcade series from 1977 to 1983. These include the Rev. A Heavy Sixer model in 1977, the Rev. B 4 switch model in 1980, and the US version of the Atari 2800 branded as the Sears Video Arcade II in 1983.