B737NG FLT & Landing ALT.
1. What happens if we climb above the Flight Altitude?
Example: FLT ALT is 30,000 FT
We have climbed to 40,000 FT without resetting the FLT ALT in the PX Panel.
2. What happens if we descent below the Landing Altitude?
Example: LAND ALT is set to 7000FT
We have descended to SL now. without resetting the LAND ALT in the PX Panel.