| Error Code / Symptom | Likely Cause | Exclusive Fix | | :--- | :--- | :--- | | on boot | High SWR (Standing Wave Ratio) | Your antenna is shorted or mismatched. Disconnect immediately. Check the PL-259 connector for solder bridges. | | Display flickers on transmit | Voltage sag | The inline fuse holder is resistive. Replace it with a waterproof marine fuse holder. | | No audio from internal speaker | Menu #42 set incorrectly | Enter Menu #42 and set to "SPK Int." If set to "Spk Ext," the internal speaker mutes. | | Microphone gain too loud/distorted | Overdriven preamp | Turn MIC Gain down to "15" (default is 30). Found in Menu #07. | | Fan runs constantly | Firmware quirk | This is normal for units manufactured after 2022. See firmware update below. |
: In normal mode, hold 'S' and press 'D' simultaneously; an alarm symbol will appear when active. Using the Stopwatch (Sport Watch Function) :
To enable or disable the "beep" every hour, press S and M simultaneously. 3. Using the Sport Stopwatch
The device operates across four distinct menu modes. Pressing the button moves you sequentially through them: nako na613d user manual exclusive
Press M three times until the seconds start flashing.
, allowing it to be stuck directly onto a car's dashboard or windshield. The clock unit can also be removed from its stand to reveal a small kickstand for tabletop use. It is powered by a standard 1.5V button cell battery, ensuring it remains operational even when the vehicle is turned off. Variants and Technical Notes Supports both 12-hour (AM/PM) and 24-hour time formats. The NA-613D is often identical in function to the Kenko KK-613D
Exclusive NAKO NA613D User Manual: Mastering Your Digital Car Clock | Error Code / Symptom | Likely Cause
From the normal standby screen, . The seconds counter will begin flashing.
features a loud, built-in buzzer alarm. Configure your wake-up time using these steps:
A: No. While it's commonly used as a car dashboard clock, it's versatile. You can use it on a desk, in a kitchen, a workshop, or anywhere you need a compact clock with an alarm. | | Display flickers on transmit | Voltage
For a visual reference of the buttons and display layout, you can view this Nako NA-613D technical sheet or a specific mounting bracket for this clock? Nako NA-613D инструкция часов
Cycles through time, stopwatch, alarm, and time-setting modes. S (Set/Lap):
Press three times. The seconds digits will start flashing. Press D to reset the seconds count back to zero.
The stopwatch function is great for various timing needs.
Use to adjust the active day value, then press S to cycle to the Month value. Use D to advance the month.