PG-M10SE (serv.man22). Countermeasure when power indicator lights up orange (no power) - Sharp Projector Technical Bulletin (repair manual). Page 8

LV058

Sharp Electronics (UK) Ltd., Technical Services Group

A/D Converter Initialising Procedure

Note: Initialising of the data of A/D converter is needed after rewriting the
firmware, otherwise the background contrast may drastically change due to the
bright contrast adjustment.

Equipment needed:
- DOS/V compatible PC with Windows95 after ORS2 or Windows98 or

Windows98SE

- RS-232C cable (9FU911302320)

1) Preparation before rewriting the software

a. Connect one end of the RS-232C cable to the projector and connect other

end to the serial port of the PC.

b. Turn on the power of the projector.

2) U3 Default Ver2.3 (Application program for the A/D converter initialising) start-

up
a.  Start up (Double-Click) the “U3Default_English”.