3-16
Part Number: MER_IOM_8197455
Operation
Section 3
Load New Software Via USB
UI BOARD UPDATE
1. Firmware update files work for all models.
2. Verify the files and file names are correct on the UI USB.
- MHC software file folder name: vhcupdate
- MHC software file name: vhclfb
- Product menu file name: productsList.txt
3. Turn the MHC on and wait until the power-up sequence
is complete.
4. Remove the USB port cover and the WiFi dongle.
5. Plug the UI USB flash drive into the USB port on the
back of the unit.
6. Wait approximately 10 seconds.
7. The display will flash twice and return to the default
screen when the software update is complete.
8. Remove the flash drive.
9. Model MHC54, remove the cover of the unit, insert
UI USB into the secondary UI receptacle (on the right
side from the front) in the top of the UI. Then complete
steps 6-8.
10. Reinstall WiFi dongle, USB port cover and unit cover.
I/O BOARD UPDATE
The likelihood that the I/O software will need to be updated
is low.
1. Turn the MHC on and wait until the power-up sequence
is complete.
2. Remove the USB port cover and the WiFi dongle.
3. Plug the I/O USB flash drive into the USB port on the
back of the unit.
4. Locate and touch the display home page USB icon.
Menu update will pop up, slide to select firmware
update. Select file name.
5. The UI display will flash twice and return to the default
screen when the software update is complete.
6. Remove the I/O USB flash drive.
