Hitachi HOME-1 Initial Set Signals, The following signals are used for the initial settings

Initial Set Signals

The following signals are used for the initial settings.

The signal timing of some computer models may be different. In such case, refer to adjust the V.POSIT and H.POSIT of the menu.

Back porch b			Front porch d
DATAHSYNC
		Display interval c
	Sync a
Computer /		Horizontal signal timing (µs)
Signal
		a	b		c	d
TEXT		2.0	3.0	20.3		1.0
VGA (60Hz)		3.8	1.9	25.4		0.6
Mac 13"mode		2.1	3.2	21.2		2.1
VGA (72Hz)		1.3	3.8	20.3		1.0
VGA (75Hz)		2.0	3.8	20.3		0.5
VGA (85Hz)		1.6	2.2	17.8		1.6
SVGA (56Hz)		2.0	3.6	22.2		0.7
SVGA (60Hz)		3.2	2.2	20.0		1.0
SVGA (72Hz)		2.4	1.3	16.0		1.1
SVGA (75Hz)		1.6	3.2	16.2		0.3
SVGA (85Hz)		1.1	2.7	14.2		0.6
Mac 16"mode		1.1	3.9	14.5		0.6
848 x 480 (60Hz)		2.8	3.3	26.9		0.5
XGA (60Hz)		2.1	2.5	15.8		0.4
XGA (70Hz)		1.8	1.9	13.7		0.3
XGA (75Hz)		1.2	2.2	13.0		0.2
1280⋅960 (60Hz)		1.0	2.9	11.9		0.9
1280⋅1024 (60Hz)		1.0	2.3	11.9		0.4

Back porch b					Front porch d
DATAVSYNC
			Display interval c
	Sync a
Computer /			Vertical signal timimg (lines)
Signal
			a	b		c	d
TEXT		3		42	400		1
VGA (60Hz)		2		33	480		10
Mac 13"mode		3		39	480		3
VGA (72Hz)		3		28	480		9
VGA (75Hz)		3		16	480		1
VGA (85Hz)		3		25	480		1
SVGA (56Hz)		2		22	600		1
SVGA (60Hz)		4		23	600		1
SVGA (72Hz)		6		23	600		37
SVGA (75Hz)		3		21	600		1
SVGA (85Hz)		3		27	600		1
Mac 16"mode		3		39	624		1
848 x 480 (60Hz)		3		13	480		1
XGA (60Hz)		6		29	768		3
XGA (70Hz)		6		29	768		3
XGA (75Hz)		3		28	768		1
1280⋅960 (60Hz)		3		36	960		1
1280⋅1024 (60Hz)		3		38	1024		1

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