The device typically operates using three main buttons: , S (LAP/SET) , and D (START/DATE) . Understanding the functions of these buttons is key to mastering the clock. Standard Display Mode
Press M to save and return to the normal time display. 2. Alarm Functions How to Set the Alarm Time
🔔 The alarm will sound at the designated time every day unless you turn it off. While the alarm is sounding, you can typically stop it by pressing any button (most likely the D (START) button, as it acts as a general "confirm/stop" button). Nako Na-617a User Manual
Hold S and press M simultaneously. If all day-of-the-week icons appear at the top, the hourly chime is enabled. Maintenance Tips
If you encounter problems with your Nako Na-617a, consult this simple guide before seeking replacement. The device typically operates using three main buttons:
Press S (LAP/SET) to move to the minutes, then the hours. Use D (START/DATE) to adjust the values.
Press S (LAP/SET) to toggle between hours and minutes. Use D (START/DATE) to set the desired time. Confirm: Press M (MODE) to return to the main display. How to Turn the Alarm On/Off Hold S and press M simultaneously
Disclaimer: The operational instructions above are based on common manufacturer configurations for this model, but some variants may have slight differences.
Hold S and press M to toggle the hourly signal (usually indicated by all day-of-the-week icons appearing). 3. Using the Stopwatch
: Press the D button a second time to freeze the elapsed count temporarily. Press it again to resume.
Ensure the clock is in the normal time display mode (seconds should be flashing).
