User manual

Service 15
Make sure the unzipped file name
is “GXY_MELODY.bin” or “GXY_
MELODY_64.bin”.
3 Turn off the projector, then connect the USB
flash drive to the projector.
4 Turn on the projector, then the upgrade
starts automatically. The LED on the
projector blinks during upgrade.
5 Wait about 15 seconds. The upgrade
completes and the projector turns off
automatically.
6 Disconnect the USB from the projector,
then turn on the projector.