NHDT-W57D ERC Code Calculation Guide (Android & iOS App)
Hi!
This video shows how to calculate the ERC code for the NHDT-W57D audio/navigation unit using our Android and iOS apps.
【How to display the ERC serial number】
1. Turn on the audio/navigation unit.
2. Press and hold the main button.
3. While holding the button, switch the parking lights on and off a few times.
4. A service screen will appear with a 16-digit serial number.
Enter that serial number into our app to calculate the corresponding ERC code:
Android:
https://play.google.com/store/apps/de...
iOS:
https://apps.apple.com/us/app/erc-unl...
After entering the ERC code into your unit, normal functions such as radio, FM, AUX, Bluetooth, SD, and rear-view camera will resume.