XV-Z91E (serv.man34). Software correction of picture position in 576P signal, horizontal keystone function picture roll in game console connection - Sharp Projector Technical Bulletin (repair manual). Page 2

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Sharp Electronics (UK) Ltd., Technical Services Group

1-(1) PC : 

Windows PC with RS-232C port
If your PC lacks RS-232C port, please use USB to 232C
adapter available in the market.

1-(2) Support OS : 

Windows 98, Windows ME, Windows 2000, Windows XP
•  You cannot use Windows 95, Windows NT PC

1-(3) Cable : 

RS-232C cross cable

1-(4) Update program: Version 4.4 (The following six files are necessary)

#1 FlashUpgrader.exe (Update program)
#2 pwSDK.inf (inf file for update)
#3 configdata.hex (date file)
#4 flasher.hex (date file)
#5 gui.hex (date file)
#6 romcode.hex (date file)

2-(1) Turn the projector on and enter into the factory adjustment menu (serviceman menu).

Enter into the factory adjustment menu by pressing keys in the following order,

UP – UP – DOWN – DOWN – RIGHT – LEFT – ENTER

2-(2) Please take the notes of values of items in the following Chart 2-1.

**NOTE**
If you update the software, the following setting parameters are also erased.
1) Factory setting parameters
2) User setting parameters.
Please take notes of these parameter values before upgrade the software.