Tsukuba's cable TV service. Also provides an internet service, ACCSNET. Most houses and flats in Tsukuba are linked up to ACCS.
ACCS and the TV channel guide and G-code[]
If you buy a hard disc (HDD) recorder to record TV programmes, and you have an ACCS connection, here is a useful hint: the TV region for an ACCS cable connection is Tokyo, not Mito or Hitachi. If you set the TV region to Tokyo, the TV channel guides and the G-code (the numbers after the name of the TV show in the TV listings) will work properly for recording your TV programmes.
See this ACCS FAQ (in Japanese) for details.
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