Lumens DC170 - Page 2

DC170/ PC170 - Firmware(FW) Upgrade Instruction
3. Insert SD card into the SD card slot.
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
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