Rear Mount VFD Driver Installation (optional)
The EP-55XX rear mount VFD port is a USB interface. The rear mount VFD uses a Serial interface, so in
order to enable it you must install the included USB-to-Serial interface driver.
1. First, plug in the VFD Module.
2. Enter the USB To COM Driver folder and then run utility program
PL2303_Prolific_driverInstaller_v130.
3. Click Next on the Welcome screen.
4. Wait as the driver is installed.
5. Click Finish.
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