American Standard CH530 - Manual (Page 47)

47 CDHF-SVU01C-EN
Operator
Interface
Settings with buttons only [screen has no cancel or enter key] do accept the
new selection immediately.
Mode Override for Enumerated Settings is shown below:
Note: Radio 1 and Radio 2 refer to
“touch sensitive buttons.” The labels
depend upon the setting being
controlled.
The analog setting subscreen is similar but offers an Auto/Manual radio
button and value setting. An Auto/Manual selection is necessary to set the
mode to override. Subsequently, when an arrow key is depressed that new
value is assumed.