Color Screen Calendar Model 2159t Instructions Page

It is important to note that the device requires a "settling period" of approximately 30 to 60 minutes after being powered on to provide accurate environmental readings. Because the backlit color screen generates a small amount of internal heat, the sensors are calibrated to account for this thermal offset, ensuring the displayed data reflects the room's actual climate. Power Management and Maintenance

Indoor temperature range of 0°C to 50°C (32°F to 122°F) and humidity range of 20% to 99%. Color Screen Calendar Model 2159t Instructions

: Hold the Mode button until the digits flash. Use the UP (+) and DOWN (-) buttons—which may also be labeled for temperature or alarms—to adjust the year, month, and day in sequence. It is important to note that the device

To make this calendar work for you, adding events is key. : Hold the Mode button until the digits flash