Color Screen Calendar Model 2159t Instructions

Once an alarm is active, indicated by a bell icon on the screen, it can be silenced temporarily by pressing the button. This typically grants a five-minute reprieve before the alarm sounds again. To deactivate the alarm entirely for the day, any button other than Snooze can be pressed. Environmental Monitoring and Calibration

The Color Screen Calendar Model 2159t is durable, but treat it like a tablet. Color Screen Calendar Model 2159t Instructions

To set up your device for the first time, open the battery compartment on the back and insert 3 AAA alkaline batteries, or connect the provided USB cable for a continuous "always-on" display. 1. Setting the Time Enter Mode: Press and hold the Once an alarm is active, indicated by a

When using batteries, the screen will dim or turn off after a few seconds to save power; use a DC adapter for a permanent bright display. Setting the Time Enter Mode: Press and hold