If they remain on the screen long enough, the screen would refresh with the text wiping out and in for every 30 minutes. This screen instructs the user to press the channel up and down buttons on their remote control in the event they encounter this screen for a prolonged period of time. In May 2012, this was changed to read "EMERGENCY ALERT SYSTEM CHANNEL - If you see this screen please channel up and channel down to restore". In late (most likely September) 2011, Comcast in Washington State has changed their Emergency Alert System Channel screen to a dark blue screen with blue text that reads "EMERGENCY ALERT SYSTEM CHANNEL - After the alert please channel up or channel down to return to your programming". The screen can also be seen in this video Washington State Comcast Emergency Alert System Channel (2011-2022) This screen is generated by the Cable Envoy CEMS-1000 EAS Character Generator.Ī better photo of the screen. There is another version where the letters are in all caps and the grammatical errors have been fixed. Normal service will be resumed as soon as possible - Thankyou" with a couple grammatical errors (notably the misspelling of the word "occurred" and "thank you" being shortened to one word). In the event of a technical difficulty involving a forced tune-in to their EAS Details Channel, MediaOne (later AT&T Broadband and Comcast) in Eastern Massachusetts (among others) used a blue screen with the white text "A blackout of video service has occoured on this channel.
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