Stamped 0436 on back, not sure if model but only number.has gray push pins to set around dial but also has a small on/off button in lower right conner wi 4 sets of on/off positions turn toward a white dot. Okay. How and in what order do I set. Thanks.

Check this Sticky Note at the beginning of the Electrical Forum:

https://www.askmehelpdesk.com/electr...on-155408.html

You will find websites that you can find your timer, and instructions.