More interesting reading on the topic: http://www.accurateshooter.com/technical-articles/electronic-vs-dial-locks-on-gunsafes/
Look toward the middle of the page for this:
LaGard electronic locks all come from the assembly line set to 1-2-3-4-5-6. Most safe companies (Granite-Winchester is one) leave it at that, and either the retailer or the end user must reset it. My local Walmart store had those same Winchester safes on display, and one day I was in the sporting goods section near the safe display, and another customer asked the Walmart employee if she could open the safe so he could look inside. She said “no, sorry, I don’t have the combination handy”. I walked over, never said a word… just punched in 1-2-3-4-5-6, turned the handle opening the door, and walked away… again not saying a word. They both just looked at me… dumbfounded that I could open it like that.