This is a lacrosse technology clock, weatherstation

SOURCE: i have a lacrosse technology wall clock how do i

You don't set the time. You set the Time Zone and it sets itself.

What model is YOUR clock?

This site lists several models of La Crosse wall clocks with downloadable instructions.

http://www.klockit.com/depts/AtomicClocks/dept-52.html
The link below is generic but there are specifc downloads for clocks with other features.

http://www.klockit.com/PDFs/lacrossemanuals/AnalogWallClocks.pdf

SOURCE: I lost my manual for the Lacrosse Technology

You can get one at http://office.manualsonline.com/manuals/mfg/la_crosse_technology/ws7075u.html

SOURCE: Our atomic weatherstation/clock has never

I had the same problem with my atomic clock. Had to move it to a clear area, one without obstrucions. It set itself almost instantly