Press the ALM button once to view the alarm time, then press UP to toggle the alarm icon on or off.
Plug the USB power cable into a wall adapter for a continuous "always-on" display.
When the alarm sounds, press the Snooze/Light button at the top. This provides a 5-minute grace period before the alarm sounds again. Weather and Temperature Calibration
Ensure the unit is away from direct sunlight, drafts, or heat sources like radiators.
Replace the batteries or switch to the USB power cable.
Use a paperclip to press the RESET hole on the back of the unit to restore factory settings. If you'd like to dive deeper into specific features: Setting recurring weekly alarms Understanding the humidity comfort index Optimizing battery life for travel
Press and hold the button for three seconds until the year flashes. Use the UP or DOWN buttons to adjust the digits. Press SET again to confirm and move to the month. Repeat this process for the Date, Hour, and Minute. Press SET one last time to exit the setup mode.
If your model supports "Sound Control" mode, you can wake the screen with a clap or a light tap on the table.
Color Screen Calendar Model 2159t Instructions May 2026
Press the ALM button once to view the alarm time, then press UP to toggle the alarm icon on or off.
Plug the USB power cable into a wall adapter for a continuous "always-on" display.
When the alarm sounds, press the Snooze/Light button at the top. This provides a 5-minute grace period before the alarm sounds again. Weather and Temperature Calibration Color Screen Calendar Model 2159t Instructions
Ensure the unit is away from direct sunlight, drafts, or heat sources like radiators.
Replace the batteries or switch to the USB power cable. Press the ALM button once to view the
Use a paperclip to press the RESET hole on the back of the unit to restore factory settings. If you'd like to dive deeper into specific features: Setting recurring weekly alarms Understanding the humidity comfort index Optimizing battery life for travel
Press and hold the button for three seconds until the year flashes. Use the UP or DOWN buttons to adjust the digits. Press SET again to confirm and move to the month. Repeat this process for the Date, Hour, and Minute. Press SET one last time to exit the setup mode. This provides a 5-minute grace period before the
If your model supports "Sound Control" mode, you can wake the screen with a clap or a light tap on the table.