Honeywell RTH2300 series - In case of difficulty

Advanced Installation Guide
69-2728ES—01 18
SETUPWIRINGASSISTANCETROUBLESHOOTING
System setup
Function 20: Clock Display
0 12-hour display
1 24-hour display
Press the s or t button to select clock display.
Press to
change
setting.
When finished,
press s and t
to advance to the
next function.
M33591
AND
OR
20
0
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