[UPDATE] D400 New Firmware V1.04 Released
[UPDATE] D400 NEW FIRMWARE V1.04 RELEASED
This upgrade enables D400 whose firmware version is below V1.04 to use PC software ChargeMaster3.03.
1. Download and extract the upgrade application;
2. Connect the charger to computer via USB cable;
3. Warning message 'DC IN TOO LOW' will be shown on the screen if not powered the charger;
4. Open the upgrade application;
5. Click 'Upgrade', 2 seconds later, message 'Some data was send!' will be shown on the application;
6. Congratulations, when message 'Upgrade complete' appears.
7. Please load factory settings in both channels after the upgrade process is done.
Do not interrupt the upgrade process, or may cause permanent damage to the charger.
Check video for reference: