Lumens Technology DC192 Firmware Upgrade Instruction - Manual (Page 7)

DC192 – Firmware (FW) Upgrade Instruction
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.
3.5 Go [ISP] menu, select [Firmware Upgrade] and press [Enter].
Service Menu：Press “ Enter ” + ” Zoom+ ” in sequence
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