This device measures indoor temperature and humidity. It does not connect to local meteorology networks, but rather uses these indoor metrics to provide an estimated "comfort level" and rough weather trend icon (Sunny, Cloudy, or Rainy):
Digital sensors require about 30–60 minutes to calibrate to a room's ambient temperature after being powered on. Ensure the device is kept away from direct sunlight or heat vents. Calendar is a day off?
If your specific Model 2159t variant includes an external USB port or SD card slot on the side panel, it can function as a digital photo frame or music player.
: Short-press the ALARM button to cycle through turning Alarm 1 on, Alarm 2 on, both on, or both off. Look for the bell icons on screen. Color Screen Calendar Model 2159t Instructions
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
When the alarm sounds, press the SNOOZE/LIGHT button to silence it—this will also activate the 5-minute snooze delay, allowing the alarm to sound again after 5 minutes. The alarm function is only available when the alarm icon is displayed on the screen.
Repeat this flashing sequence to set the , Month , and Day . This device measures indoor temperature and humidity
: Press any button on the back panel to turn off the alarm until the next scheduled day. 🔆 Screen Brightness and Display Customization
Plastic battery pull-tab is still inserted, or the battery is dead.
While in Alarm Mode, press the UP button to toggle the daily alarm and snooze function (represented by a 'Zz' icon) on or off. Calendar is a day off
To prevent the screen from keeping users awake at night, the Model 2159t incorporates an automatic brightness adjustment feature.
, which are inserted into the compartment on the back of the unit. For a continuous "Always On" display, some variants include a DC 5V port for use with an external power adapter. Configuration Instructions
The hour digits will flash. Use or DOWN to set the correct hour. Ensure you check the AM/PM indicator if using the 12-hour format. Press SET to confirm.
Ultimate User Guide and Instructions for the Color Screen Calendar Model 2159t