Dexter Laundry T-750 C4 Installation And Parts & Service Manual page 48

When manual programming mode is entered, the "START", "HIGH", "MEDIUM" and "LOW" buttons perform
alternate functions.
Button Name
Start
Hot
Warm
Cold
48
Part # 8533-120-001 9/21
Alternate Function in Programming Mode
Becomes the action to accept the displayed option or the "Enter" key
Becomes the action to move UP through displayed options (Press & hold
for accelerated scrolling)
Becomes the action to move DOWN through displayed options (Press &
hold for accelerated scrolling)
Becomes the action to move back a step (1 press) or EXIT from
programming mode (press for 3 seconds)