Hi John,
The "NO" button is the bottom right button in the drop-down door.
The buttons can be made to talk as you push the up and down buttons.
Perhaps it would help you to listen again to the instructional CD.
I hope this helps you!

73.
Lowell  W8QIY
----- Original Message ----- 
From: "John J. Jacques" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, October 25, 2013 10:33 PM
Subject: Re: to - talking thermostats


> Hi all, I'm not sure I have the same thermostat, but I keep getting the
> message about having your system checked, even after taking out the
> batteries!  Whare is this NO button?  The only button that speaks on mine
> is the one at the bottom left, wich announces the tempature.  When I
> first got it, it would speak the settings as I arrowed up and down, but
> it doesn't do that anymore!  Non of the buttons under the flip down cover
> speak!
> 
> 73:
> John
> 
> 
> John Jacques
> Amateur Radio Station: KD8PC
> "Where Cat Is,  Is Civilization!"
>