Honeywell VISIONPRO 69-1815EFS-06 - Troubleshooting Common Issues; Display Issues; Unresponsive Controls

Operating Manual
69-1815EFS—06 26
Advanced functions
Program schedule periods
Function
0540
Press s/t to set the number of program periods:
Options: 2 Two program periods (Wake, Sleep)
4 Four program periods (Wake, Leave, Return, Sleep)
Clock format
Function
0640
Press s/t to set the clock display format:
Options: 12 12-hour clock (i.e., “3:30 pm”)
24 24-hour clock (i.e., “15:30”)
Screen lock
Function
0670
Press s/t to choose a screen lock setting (see page 14):
Options: 0 Screen is unlocked (fully functional)
1 All functions locked except temperature controls and CANCEL key
2 Screen is fully locked