Nako Na-617a User Manual [hot] Jun 2026
When setting hours, cycling through will change between 12-hour (indicated by 'A' or 'P') and 24-hour formats.
| | Possible Cause | Solution | | :--- | :--- | :--- | | No display / dim display | Dead or low battery | Replace the LR1130 battery as described above. | | Alarm doesn’t sound | Alarm is not enabled | Ensure the bell icon is displayed. If not, press S(LAP) + D(START) simultaneously to enable it. | | Time is wrong | Clock was reset or changed by accident | Follow the "Setting the Current Time and Date" section above. | | Display is frozen / unresponsive | Electronic glitch | Remove the battery for 10 seconds, then reinsert it. This will reset the device to factory settings. |
This user manual will cover:
The Nako Na-617a asks: “Is the device humming sadly?”
Perfect for tracking commutes, quick laps, or tasks, the stopwatch offers precision down to fractions of a second. Nako Na-617a User Manual
The is powered by a single LR1130 button cell battery (1.5V).
Enter the .
To enable or disable the alarm, in the standard display mode, press and D (START/DATE) simultaneously. A bell icon will appear on the display when the alarm is activated. 5. Using the Stopwatch Feature Enter Stopwatch Mode: Press the M (MODE) button once .
: It typically includes a stand and double-sided adhesive tape for easy attachment to smooth surfaces like a car dashboard or desk. When setting hours, cycling through will change between
