Mitsubishi HC3800 Control Guide

2
3) Control sequence
(1) Send the command from the personal computer to the projector.
(2) The projector will send a return command after it receives an end code. If the command is not received correctly,
the projector will not send the return command.
(3) The personal computer checks the command and confirms if the sent command has been executed or not.
(4) This projector sends various codes other than the return code. When having a control sequence by RS-232C,
reject other codes from the personal computer.
• During signal switching, the command may not take effect even when the projector sends the return command.
After signal switching completes, wait for the mode indication to disappear before sending the next command.
• When sending commands successively, wait to receive the return command of the current command before
sending a next command.
• Keep intervals of at least 400 ms between receipt of a return command and sending of a next command.
• Any commands will not be executed for 10 seconds after the power is turned on.
[Example] When turning the power ON. (Figures and symbols enclosed in quotation marks are ASCII codes.):
4) Operation commands (Not executable in stand-by mode. When the commands for input select are sent while
the splash screen is being displayed, the splash screen is only canceled.)
The operation commands are used for the basic operation setting of this projector. They may not be executed while
the signals are changed. The operation commands have no data codes.
[Example] When setting the input signal to COMPUTER. (Figures and symbols enclosed in quotation marks are
ASCII codes.):
5) Keystone commands (Not executable in stand-by mode. Possible only to read during muting.)
The keystone commands are used for the keystone setting of this projector with the value. The value will vary
depending on the installation conditions, etc.)
How to set the value
Use the ASCII or HEX code as shown below to set the value.
Sending commands
from the PC, etc.
Status code
from the projector
Description
30 30 21 0D
‘0’ ‘0’ ‘!’ ‘ ’
Command for POWER ON
30 30 21 0D
‘0’ ‘0’ ‘!’ ‘ ’
Command receipt confirmation
(Command echo back)
Operation ASCII HEX Note
POWER ON ! 21h This command is invalid for 1 minute after the power is turned off.
POWER OFF " 22h This command is invalid for 1 minute after the power is turned on.
INPUT COMPUTER _r1 5Fh 72h 31h This command will not be executed in Stand-by mode.
INPUT COMPONENT _c1 5Fh 63h 31h This command will not be executed in Stand-by mode.
INPUT HDMI _d1 5Fh 64h 31h This command will not be executed in Stand-by mode.
INPUT VIDEO _v1 5Fh 76h 31h This command will not be executed in Stand-by mode.
INPUT S-VIDEO _v2 5Fh 76h 32h This command will not be executed in Stand-by mode.
Sending commands
from the PC, etc.
Status code
from the projector
Description
30 30 5F 72 31 0D
‘0’ ‘0’ ‘_’ ‘r’ ‘1’ ‘ ’
Command for setting the input signal to
COMPUTER
30 30 5F 72 31 0D
‘0’ ‘0’ ‘_’ ‘r’ ‘1’ ‘ ’
Command receipt confirmation
(Command echo back)
ITEM ASCII HEX VALUE
KEYSTONE (vertical) KS 4Bh 53h ±15
ASCII ‘+’ ‘-’ ‘0’ ‘1’ ‘2’ ‘3’ ‘4’ ‘5’ ‘6’ ‘7’ ‘8’ ‘9’
HEX 2Bh 2Dh 30h 31h 32h 33h 34h 35h 36h 37h 38h 39h

Mitsubishi HC3800 Specifications

General

Native aspect ratio	-
Projection distance	- m
Vertical scan range	50 - 85 Hz
Horizontal scan range	15 - 80 kHz
Projection technology	DLP
Supported aspect ratios	4:3, 16:9
Contrast ratio (typical)	4000:1
Screen size compatibility	50 - 300 \
Projector native resolution	1080p (1920x1080)
Keystone correction, vertical	-15 - 15 °
Focus	Manual
Focal length range	20.6 - 30.1 mm
Lamp power	230 W
Light source type	Lamp
Lamp power (economic mode)	190 W
Service life of light source	5000 h
Noise level	31 dB
Plug and Play	Yes
Dot clock scanning frequency	170 MHz
Supported video modes	1080i, 1080p, 480i, 480p, 576i, 576p, 720p
Analog signal format system	NTSC, NTSC 4.43, PAL, PAL 60, PAL M, PAL N, SECAM
Built-in speaker(s)	No
Audio (L/R) in	2
Serial interface type	RS-232
USB 2.0 ports quantity	0
S-Video inputs quantity	1
Power source	AC
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (standby)	0.5 W
Power consumption (typical)	340 W
Placement	Desktop
Product type	Standard throw projector
Product color	Black

Weight and Dimensions

Depth	270 mm
Width	345 mm
Height	129 mm
Weight	3500 g