Ambient Weather Support

Press and hold the WIND + and PRESSURE – buttons at the same time on the display console at the same time for about 5 seconds and the WiFi icon will flash along with M-B in the time field if you own the WS-2902A.

If nothing flashes after holding the buttons, you own a WS-2902 console.

You can also tell by looking at the outer box and the first page of the paper manual included in the box.