Step 1: Press Customize on the home screen.

Step 2: Press the Adjust Cycle Time button.

Step 3: Press on the left hand center spot of the screen. (Red Dot below). There's no button there, it took quite a while to find that...

Step 4: Press the lower left hand spot on the screen. (Red Dot below.) Again, there's no actual button there.

Step 5: Press the lower left hand spot on the screen. (Red Dot below.) Again, there's no actual button there.

Step 6: Now you're in the Factory Setup Screen.

Step 7:
Now, from here you can enable/disable anything individually, like the vacuum pump (circled in red) and you can even reset the time (circled in green.)
If y'all use the logs (can be received by having a small USB drive plugged into the side of the unit) the computer doesn't normally adjust for Daylight Savings.
Although, I've never pressed the "Test" button, so I'm not sure exactly what that does test.
When you're done, press the "Done" button (seems legit) and it'll take you back to the main screen.