Firmware upgrade procedure for DL350

*NOTE*
1. By updating the firmware, all setup data will be initialized.
   Please make sure to back up the setup data to external storage device before the updating the firmware.
2. By updating the firmware, other related drivers and software may require update as well. 
   Please refer to the software manual for version requirement details before updating the firmware.
3. Please use up to 32GB SD card or USB memory to update the firmware.

Updating the firmware using a SD memory card or USB memory stick.

1. Turn the DL350 off and remove all USB memory Sticks, SD memory cards and cables. 
2. Copy "DL350.YMC" file into the top directory of the SD memory card or the USB memory stick.
   (Don't save other YMC files in the same directory.)
3. Insert the SD memory card or the USB memory stick to the DL350.
4. Connect the DL350 to AC adopter then turn it on while pressing the "START/STOP" button.
   Keep pressing the "START/STOP" button until "Maintenance menu" is appeared.
5. Press the "TRIGGER" button 3 times to select "Install the Applicaion" then press the "START/STOP" button.
6. Firmware installation is started automatically. Wait for a few minutes. Do NOT power the DL350 off until the completed message is appeared.
7. Reboot the DL350 after the completed message has been appeared.
8. Confirm the firmware version number on the "Menu" -> "UTILITY" -> "OVERVIEW" screen.
