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Need operating instructions for First Alert timer ET220.

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  1. Set time: Rotate dial (PM indicated by PM light) Stop at current time. Press Time set button.
  2. Rotate dial to desired ON time; press & hold On/off button, rotate dial to OFF time, release On/off button

Posted on Mar 01, 2009

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Found my instructions, but a portion are chewed up by the cat. In addition to Greg's instructions, you can also do the followig:

You can set as many on/off intervals as you want throughout the 24-hr period, such as from 6am-8am and 6pm-11pm.

To reset, hold on/off button and manual override button for at least 1 second.

To confirm the times you have set, the red light should go on each time you turn the dial clockwise to the times the light should be set to go on.

Posted on Dec 23, 2009

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SOURCE: i have the first alert

Question does not describe the timer.
Web search for et220 does not show image of timer for clear identification.
My files do not show et220
Question posted under 24-hour analog timer.

1) Open following link for possible instructions:

2) Add a comment with clear description of timer for possible identification and instruction manual.

3) Post a photo of the timer on Flickr. Add a comment with link to photo for possible identification and instruction manual.

4) Maybe possible to e-mail the company for instructions:

Posted on Sep 08, 2011

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Posted on Jan 02, 2017

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