Honeywell RTH6400 - Manual (Page 15)

RTH6400 Programmable Thermostat
 69-22ES—0
M28411
Heat
Setting
Inside
AM
69
75
6:30
Run Schedule
Auto
Fan System
Heat
Hold
Program schedule override (permanent)
Press HOLD to permanently adjust
the temperature. This will override
the temperature settings for all time
periods.
The “Hold” feature turns off the
program schedule and allows you
to adjust the thermostat manually,
as needed.
Whatever temperature you set will
be maintained 24 hours a day until
you manually change it, or press
RUN SCHEDULE to cancel “Hold” and
resume the programmed schedule.
Press to cancel “Hold” setting and
resume program schedule.
Note: Make sure the thermostat is set
to the system you want to control (heat
or cool).
Press to permanently adjust temperature.