AEC AP Series Large Dehumidifying Dryer - Manual (Page 39)

Large Dehumidifying Dryers Controls 38
The appropriate keypad appears when a changeable value is pressed.
You are only allowed to change a number to a value that falls between the minimum and
maximum limit shown on the TENKEY keypad and that value must fit within the field size.
For instance, a changeable value appears as XXX.X with a maximum limit of 800.0 and a
minimum limit of -50.0.
Acceptable entries:
450.0
-40.0
0.0
Unacceptable entries:
900.0 (> maximum limit)
-75.0 (< minimum limit)
1234.5 (>maximum field size of 4 digits)