7
mode
5. For updating the first microcontroller, please set the pin 1 & 2 of the bottom DIP as the positions
shown in the above table. Then, turn off the power, plug USB cable connected to your PC, and
then power up the module! In this setup, the power LED indicator will NOT blink, and this is
normal! Execute the attached or download EPFlash.exe, and the following window will pop up.
Click on “OpenFile” button to direct to the new firmware HEX file, and keep PORT at USB 0!
Meantime, keep “Program With Verification” selected, and then click on “START” button on the
bottom of the window! Wait for seconds until the update process is completed! After firmware
update is successfully accomplished, please unplug USB cable and power off the splitter!
6. For updating the second microcontroller if necessary, please execute the attached firmware
program as below first! After the “Firmware Writer” is executed, please set the pin 1& 2 of the
bottom DIP as Combination 4 in the above table to prepare to enter updating mode first. Wait
for 1 ~ 2 seconds, please set the DIP switch as Combination3. The “Firmware Writer” will load
automatically the latest firmware into the second micro-controller!