Toshiba TLP710H Podręcznik szkolenia technicznego - Strona 19
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4-12. RS-232C Control Method
4-12.
RS-232C Control Method
Signals are connected to the RS-232C connector in a
straight format as shown in Table 4-12-1 RS-232C
connection signals. This is because a crossing connec-
tion is provided inside the unit. Communication condi-
tions are set to meet the conditions given in Table 4-12-2.
Table 4-12-3 shows the command list of RS-232C.
When transmitting the command, be always sure to keep
100 ms interval between each command. Moreover, the
process time is required for a while when turning the
power ON/OFF and/or selecting the input mode. So in
such cases, also be always sure to keep enough intervals
between the commands.
Item
Communication system
Communication type
Item
Command
Normal
camera
Table 4-12-2 RS-232C communication conditions
Table 4-12-2 RS-232C communication conditions
Transmission speed 9600 baud, No parity, Data length 8 bit, Stop bit: 1 bit
STX (1 byte) + CMD (3 byte) + ETX (1 byte) = 1 block
STX is 02h, ETX is 03h, CMD is command string (Uppercase character).
Table 4-12-3 RS-232C command list
Table 4-12-3 RS-232C command list
Content
PON
Power ON
POF
Power OFF
IN0
Camera input
IN1
RGB 1 input
IN2
RGB 2 input
IN3
Video 1 input
IN4
Video 2 input
VUP
Volume UP
VDW
Volume DOWN
DON
Display ON
DOF
Display OFF
MON
Video audio mute ON
MOF
Video audio mute OFF
AON
Audio mute ON
AOF
Audio mute OFF
FON
Freeze ON
FOF
Freeze OFF
RS0
Resize reset
RS1
Resize 1
RS2
Resize 2
RS3
Resize 3
RS4
Resize 4
PO0
Position reset
PO1
Position shift UP
PO2
Position shift DOWN
PO3
Position shift LEFT
PO4
Position shift RIGHT
CFU
Focus UP
CFD
Focus DOWN
CZU
Zoom UP
CZD
Zoom DOWN
Table 4-12-1 RS-232C connection signals
Table 4-12-1 RS-232C connection signals
Pin No.
Signal name
2
RXD
3
TXD
4
DTR
5
S. G
6
DSR
7
RTS
8
CTS
Conditions
Item
Command
Video 1
Video 2
Panel
Mode
Language
Camera
Common adj. item
4-8
Signal content
Reception data
Transmission data
Data terminal ready
Signal ground
Data set ready
Transmission request
Transmission enable
Content
VCN
Contrast adj.
VBR
Brightness adj.
VCL
Color adj.
VTN
Tint adj.
VSH
Sharpness adj.
VLR
Red level adj.
VLG
Green level adj.
VLB
Blue level adj.
PVP
V position adj.
PHP
H position adj.
PPH
Clock phase adj.
PCK
Clock frequency adj.
MR1
Rear projection
MR0
Front projection
MC1
Ceiling projection
MC0
Floor projection
MO0
OSD mute OFF
MO1
OSD mute ON
LEN
English display
LJP
Japanese display
LFR
French display
LGR
German display
LSP
Spanish display
LIT
Italian display
CIR
Iris adj.
ALF
Adj. value DOWN
ARG
Adj. value UP
DSV
Adj. value store
I/O
I
O
O
I
I
O
I