3 Connect RS232 cable to EKB500Back panel of EKB500RS232 cable
4 Connect RS232 cable to PCBack panel of PCRS232 cable
5 Upgrade step 1 Connect EKB500 and PC with RS232 cable Turn on EKB500 Press SHIFT+MENU to enter keyboard settingChoose “Keyboard Setting” -> ”Firmware update”, then input 123 and press ENTER key to confirm.You will see that LCD on EKB500 showsEnter ISP modeNow…
6 Upgrade step 2Please check which com port of your PC is connected to EKB500.Unzip upgrade file in your PC, you can find six BAT files in the folder.Execute the BAT file that matches the number of com port. EX: If RS232 cable is connected to com port 3, please execute “burn_com3.bat” Please refer pictures in next two pages to determine whether upgrade process is executing or not.When upgrade process completes, EKB500 will reboot automatically Warring: Please don’t disconnect RS232 cable or turn off EKB500when upgrading process is executing, or EKB500 willbreak.
7 Process is executingIf you can see this screen, it means that upgrade process is executing. Please wait, and don’t do anything until process completes.
8 Connection failsIf upgrade process hold in synchronizing, it means that the connection fails.Please check that:LCD on EKB500 shows “Enter ISP mode Now…”IF the process you execute matches to the number of com port that is connected to EKB500.