Honeywell TH8110U1003 - VisionPro Thermostat Operating Manual page 24

Operating Manual
Advanced functions About your new thermostat
Year setting (first two digits)
Function
Press
0120
Options: 20 = Year 20xx
21 = Year 21xx
Year setting (second two digits)
Function
Press
0130
Options: 01 - 99
Month setting
Function
Press
0140
Options: 1 - 12
Date setting
Function
Press
0150
Options: 1 - 31
69-1894EFS-01
to change the first two digits of the year:
s/t
to change the last two digits of the year:
s/t
(i.e., 2001 - 2099)
to change the current month:
s/t
(i.e., January - December)
to change the current date:
s/t
22