Mitsubishi Electronics HD8000 MUTE, SPLIT, Freeze, +/Volume, Zoom/Focus, Lens Shift, Keystone

ITEM		Function				Data (Receive)
	Character			ASCII
Projector status	vST	76h	53h	54h	0 (Stand-by mode),
					1	(Within 1 minute after POWER-ON (warm-up mode)),
					2	(POWER-ON mode (including state of warning)),
					3	(Cooling mode),
					4	(Abnormal state (including shutdown due to an error)),
					5	(State of functioning (menu display, dialog display,
						MUTE, SPLIT, FREEZE)),
					6	(Awaiting password entry)
Error status	vER	76h	45h	52h	Reading out error data (3 digits, hexadecimal
					numbers, total 9 bits)
					(MSB) xb1, xb2... xb8, xb9, 0, 0, 0 (LSB)
					xb1: Fan error
					xb2: Lamp error (The lamp goes out or does not light.)
					xb3: Lamp warning 1 (The lamp life has expired.)
					xb4: Lamp warning 2 (The lamp life is expiring.)
					xb5: Temperature error
					xb6: The temperature warning is being indicated.
					xb7: Lamp cover open error
					xb8: Filter cover open error
					xb9: States of other component abnormality

The PC sends the command without attaching the data code to it. On the other hand, the projector attaches to the received command its current operating status as the data code and send it back to the PC.

[Example] When checking the currently selected input terminal (when the INPUT VIDEO is being selected). (Figures and symbols enclosed in quotation marks are ASCII codes.):

Sending commands	Status code	Description
from the PC, etc.	from the projector
‘30’ ‘30’ ‘76’ ‘49’ ‘0D’		Command for checking the input
00vl		terminal
	‘30’ ‘30’ ‘76’ ‘49’ ‘76’ ‘31’ ‘0D’	Check result (VIDEO)
	00vlv1

4.3Remote commands (Not executable in stand-by mode. When the remote commands are sent while the splash screen is being displayed, the splash screen is only canceled.)

Some remote control operations can be achieved by the remote command codes. The remote commands have no data codes.

Button’s name on remote		Function
	Character			ASCII
+/VOLUME	r06	72h	30h	36h
-/VOLUME	r07	72h	30h	37h
ZOOM/FOCUS	r0f	72h	30h	66h
LENS SHIFT	r47	72h	34h	37h
KEYSTONE	r43	72h	34h	33h
SPLIT	r04	72h	30h	34h
AV MUTE	ra6	72h	61h	36h
	r53	72h	35h	33h
	r2b	72h	32h	62h
	r4f	72h	34h	66h
	r59	72h	35h	39h
MENU	r54	72h	35h	34h
ENTER	r10	72h	31h	30h
AUTO POSITION	r09	72h	30h	39h
FREEZE	ra4	72h	61h	34h
ASPECT	re2	72h	65h	32h
CE	re7	72h	65h	37h

[Example] When displaying the MENU selection bar. (Figures and symbols enclosed in quotation marks are ASCII codes.):

Sending commands		Status code	Description
from the PC, etc.		from the projector
‘30’ ‘30’ ‘72’ ‘35’ ‘34’ ‘0D’			Command operating the same as the
00r54			MENU button
	‘30’ ‘30’ ‘72’ ‘35’ ‘34’ ‘0D’		Command receipt confirmation
	00r54		(Command echo back)

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