Set The Calendar - Honeywell RTH8500D Owner's Manual

This thermostat is designed to automatically keep current time and
day in memory for up to ten years, under normal use, once the
calendar is set. When the thermostat is first powered, the display is
ready to set the calendar.
1. Use the arrow keys to set the year, month and day.
2. Press the Done key.
SET
CURRENT
DATE
SET
MONTH
USE
ARROWS
TO SET
YEAR
The calendar can be set any time. See Step 11, Configure
Installer Setup, for instructions.
69-1725-1
Step 10. Set the Calendar
MON
TUE
DONE
24
W WED THU FRI
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