BenQ PE8700 service manual ACK = Y1Y

Example:
1.	Command = Y89893 (Enter)
	ACK = Y1Y	(Illegal format, wrong length)
2.	Command = Y98 (Enter)
	ACK = Y2Y	(Illegal function)

3.Command = Y52 (Enter) 1st ACK = Y0Y

2nd ACK = Y0_52Y

For Z-group, this one is for ‘auto-alignment’ procedure in our factory. This one allows engineers to read or write the unit settings without OSD operation, it will save time to set the value. Following is the table of Z-group.

Code	Function
Z001	Brightness adjustment
Z002	Contrast adjustment
Z003	Color adjustment
Z004	Sharpness adjustment
Z005	Tint adjustment
Z006	Color temperature adjustment
Z007	Filters adjustment
Z008	Independent color control - Red adjustment
Z009	Independent color control - Green adjustment
Z010	Independent color control - Blue adjustment
Z011	Independent color control - Yellow adjustment
Z012	DMD white peaking adjustment
耟	耟
Z020	Frequency adjustment
Z021	Phase adjustment
Z022	H - Position adjustment
Z023	V - Position adjustment
耟	耟

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