If all the weekday indicators light up or flash, the hourly chime is .

The Nako NA-613D is a wired alarm system that features a range of sensors and detectors to monitor and protect a premises. The system is designed to detect potential threats, such as intrusions, fires, and other emergencies, and alert occupants and authorities accordingly. The alarm system consists of a control panel, sensors, sirens, and other components that work together to provide a comprehensive security solution.

: Used to view the current alarm time or select digits during adjustment. D (Date/Start) : Used to view the date or adjust numerical values. Additional Setting Features View Current Alarm Time : While in normal mode, press and hold the 'S' button

The clock will reset to 12:00, and the alarm will be disabled by default.

If the software glitches, you can completely reset the clock by removing the small coin-cell battery (usually a CR2032 or LR44, depending on the exact model version) for 10 seconds and popping it back in. Note that this will erase the current time, requiring you to set the clock from scratch.

: Uses large "digital writing" that is easy to read from a distance, though it lacks a backlight for nighttime use.

The NAKO NA-613D is an incredibly popular, ultra-compact digital LCD clock frequently used as a car dashboard clock, study desk timer, or travel companion. However, its three-button configuration—labeled , S (Set) , and D (Date) —frequently confuses users. If your device keeps beeping every morning or alerting you at the top of every hour, this comprehensive troubleshooting guide will help you permanently silence it. Step-by-Step Guide to Disabling the Alarm

If your clock continues to beep even after removing the alarm bell icon, you must disable the hourly chime using this alternate button combination: Return the device to its normal time-keeping status. Press and hold down the button. While continuing to hold down S , tap the M button once.

How to Disable the Alarm on a NAKO NA-613D Electronic Clock The NAKO NA-613D is a popular, affordable electronic clock often used in cars, on desks, or as a portable kitchen timer. It offers features like date display, temperature, and a daily alarm. However, its minimalist design with only a few buttons can make setting or disabling the alarm confusing.

(Start / Date) – Used to view the date or advance digits.

: In many versions of this model, if the days of the week (MON, TUE, etc.) are all visible at once while holding S , the chime is on. If the day flags disappear, the chime is disabled. Quick Reference for Buttons Standard Function M (Mode)

Press the MODE button (usually the bottom-left button) until you see the alarm time displayed instead of the current time.

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sometimes has dual alarm settings or a daily alarm chime. Ensure you have disabled all alarm icons on the screen.