Clock Display - Honeywell RTHL221 series Quick Installation Manual

Advanced Installation Guide
System setup
Function 20: Clock Display
0 12-hour display
1 24-hour display
Press the s or t button to select clock display.
OR
69-2578EF—01
Press to
change
setting.
20
0
M32724
When finished,
press s and t
to advance to the
AND
next function.
M32719
18