Lumens Technology PS751 Firmware Upgrade Instruction - Manual (Page 6)

PS751 – Firmware (FW) Upgrade Instruction
3. Upgrade to the latest FW version
3.1 Save the FW file ” PVTXXX.BRN ” into a USB flash drive.
 Please put the “unzipped” file into USB flash drive.
 Put the FW files in the Root directory, not subdirectory.
 If two more firmware files coexist in the USB flash drive, the unit will always
detect the latest version.
 When remove the storage device from PC, please click the Safely Remove
Hardware icon in the taskbar. Wrong way to unplug the storage device
may cause the data error and crash the unit during FW upgrades procedure.
3.2 Plug in the power cord and connect the unit with a monitor/projector.
3.3 Insert the USB flash drive into the USB port.
3.4 Power on the unit and access the service menu
 Please use Keypad to call the “Service Menu”.
 Press “Enter”(do not release), then press” Zoom+”, hold both buttons in a
second, then the “Service menu” will be shown on screen as following picture.
Service Menu：Press
“
Enter
”
+
”
Zoom+
”
in sequence
1
.
2
.
USB Flash Drive