Honeywell RTH8500D Owner's Manual page 50

Vacation Hold
Changes temperature setting for a designated number of days.
1. Press the Up and Down arrow keys to set the desired tempera-
ture while away on vacation. Notice that "Hold Temperature
Until" time is shown on the screen. (This is the time the
Vacation Hold override expires after the number of days you
selected ends.)
2. Press the Hold key twice. Screen shows "Hold Temperature
Until" 1 day.
3. Press the Up and Down arrow keys to change the number of
Days you desire the thermostat to override the schedule.
SYSTEM
4. To cancel Vacation Hold override early, press the Cancel key.
When the number of days of Vacation Hold expires, the
screen shows "Following Schedule" to indicate that Vacation
Hold has ended.
69-1725-1
Set Temperature Overrides (Cont)
FAN
Inside
AUTO
Hold Temperature
HEAT
Until
SCHED
THU
Set To
DAYS
CLOCK SCREEN
50
CANCEL
M19961