From inside (document excerpt):
Honeywell Programmable Thermostats. Free Owner’s Manual in PDF for models T8000C, T8001C, T8011R and T8024C from series Honeywell 8000.
Features:
– Program up to four time periods with temperature settings to complement your lifestyle
– Set different schedules for weekdays and weekend
– Programs permanently held in nonvolatile memory in event of power failure
– Indefinite temperature hold
– Preprogrammed for your convenience
Contents
Features
Key Locations and Descriptions
Planning Program Schedule
Program Schedule
Programming Thermostat
Setting Current Time and Day
Setting Weekday Program
Setting Weekend Program
Setting Temporary Temperature Hold
Setting Indefinite Temperature Hold
Operating Thermostat
Setting SYSTEM and FAN Switches
Minimum Off-Timing
Troubleshooting
Warranty
Source: honeywell.com