User manual
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12.SLEEP
13.STOPWATCH
ZeRound
3
 tracks the hours slept and the quality of your sleep (light sleep, deep sleep, 
awake times). 
I TO USE THE STOPWATCH
 •  Open the Stopwatch app
 •   Start counting by pressing the Play icon
 •   To stop counting, press the Pause icon
 •  Click on the Reset icon to set the counter to 0
You can track individual lap performance by pressing the laps icon while measuring is on.
You can see the full lap-by-lap report by pressing the lap counter at the top of the screen.
I START/EXIT SLEEP MODE MANUALLY 
 •    Press the sleep app icon of the ZeRound
3
 main menu
 •    Press on the Start icon to enable sleep monitoring
 •  Press on the End icon to stop sleep monitoring
I SLEEP GOALS FROM YOUR WATCH
 •  The sleep goal is 8 hours by default
 •    Long press the screen to set up your daily sleep goals to your most suitable length
I ENABLE PRESET SLEEP MODE 
 • Open the MyKronoz App
 • Go to the Settings menu 
 • Click on Advanced Settings
 • Select or Click on Sleep to enter your desired bed and wake up times. 
By default, ZeRound
3
 will track your sleep from 11pm until 7am. 
You can also view your last saved data directly from the device
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