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After you've successfully set up the clock in the settings, all you need to do is press button D. This will exit the settings and take you back to the clock display.

1. Long press Button D for three seconds to enter the settings.
2. Once you're in settings, press Button B to begin adjusting the time.
3. You can now modify the year, month, day, hour, minute, and second. Use Button A to decrease a number and Button C to increase a number.
4. Press Button B to move to the next item.
5. After setting the seconds, press Button B once more to exit the settings.
Please note, once you connect your clock to your computer for adjustments, the time displayed on your clock will automatically synchronize with your computer's network time."

Yes, the required power supply is a 5V / 1A power adapter.

Your device doesn't need to be constantly hooked up to a computer for daily use, just a power supply. Use the USB-A to USB-C cable to connect your clock to a computer or a power source to get it started.
However, if you're looking to change the preset styles, swap out the preset images with your own, or connect the clock to the Internet, you'll need to connect it to a computer. After these changes, you can disconnect it from the computer, but remember, it needs to remain connected to a power source to keep running.

To get the NTP to work with the Nixie Tube Clock, follow these steps:

1. First, connect the clock to a computer using the USB-A to USB-C cable.

2. Install and open our software. Please ensure you connect the clock to the computer before launching the software, as it may not recognize the clock otherwise. Once connected, the connection icon on the software interface should turn green.

3. Click on "Network SET". Here, you will need to input your Wi-Fi network's name and password in the "WIFI SSID" and "WIFI PSW" fields respectively.

4. Click "Save Settings" to store your network details.

5. To check if your device is connected, click on "Device INFO". If the network status shows "Connected", your clock should automatically synchronize with your local date and time. You can also manually set the time by long-pressing button D for three seconds. If you're experiencing issues with internet connectivity, it could be due to several reasons: 1. The clock might be connecting to a different Wi-Fi network than the computer. 2. The clock might be too far from the Wi-Fi signal generator. If the signal is weak, the clock might struggle to connect. 3. Switching between languages during Wi-Fi setup can cause the system to re-recognize the network. If this happens, you'll need to set up the network again. Remember to click "Network SET", input your Wi-Fi details, click "Save Settings", and then check "Device INFO" to ensure your clock is connected. Once connected, it should automatically sync with your local time and date.