Diagnosys Amplifier Firmware Requires Periodic Updates.
To update amplifier firmware, navigate to Windows Start Menu and search for LPC2000 Flash Utility.
The LPC2000 Flash Utility window will open; adjust the settings to match those below.
1 Place a check next to "Use DTR/RTS for Reset and Boot Loader Selection"
2 Place a check next to "Execute Code After Upload"
3 Change XTAL Freq. [kHz] to 12000
4 Browse for the latest firmware version file.
Look in Computer > C Drive > Multifocal > Amplifier Flash > ARM_32BIT_V6_8.hex
If you do not see the file present in the Amplifier Flash folder, download it from this article.
5 Change Use Baud Rate to 38400
6 Change Connected Port to COM4 (sometimes COM 5); use trial and error
7 Click Upload to Flash
A blue bar will load across the bottom of the window; when this bar stretches out all the way, the download is complete.
In case of "Cannot communicate with test board!" error message, close this LPC window.
Open Ganztest; from Computer > C Drive > Multifocal > GANZTEST.exe
Close Ganztest. Reopen LPC and try it again.