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ViewSonic CD4233 Hardware Interface Spec And Software Protocols Download Page 4

 

Commercial Display RS-232 Protocol 

 

 

Revision 1.x 

________________________________________________________________ 

May 28, 2007

 

4 / 16

 

Commercial Display RS-232 Protocol

 

Reply (Hex Format) 

Name  

Length 

ID 

Command 

Type 

CR  

Hex  

0x34 

0x30 
0x32 

0x2B 

0x0D 

 

Example2: Set Brightness as 176 for TV-02 and this command is NOT valid 
Send (Hex Format)  

Name  

Length 

ID 

Command 

Type 

Command 

Value1  

Value2  

Value3  

CR  

Hex  

0x38 

0x30 

0x32 

0x73 

0x24 

0x31 

0x37 

0x36 

0x0D 

Reply (Hex Format) 

Name  

Length 

ID 

Command 

Type 

CR  

Hex  

0x34 

0x30 
0x32 

0x2D 

0x0D 

 

Example3: Set Tint as

 

32 for TV-03 and this command is valid 

Send (Hex Format)  

Name  

Length 

ID 

Command 

Type 

Command 

Value1  

Value2  

Value3  

CR  

Hex  

0x38 

0x30 
0x33 

0x73 

0x27 

0x30 

0x33 

0x32 

0x0D 

Reply (Hex Format) 

Name  

Length 

ID 

Command 

Type 

CR  

Hex  

0x34 

0x30 

0x33 

0x2B 

0x0D 

 

Example4: Set Tint as 75 for TV-03 and this command is NOT valid 

Send (Hex Format)  

Name  

Length 

ID 

Command 

Type 

Command 

Value1  

Value2  

Value3  

CR  

Hex  

0x38 

0x30 

0x33 

0x73 

0x27 

0x30 

0x37 

0x35 

0x0D 

Reply (Hex Format) 

Name  

Length 

ID 

Command 

Type 

CR  

Hex  

0x34 

0x30 

0x33 

0x2B 

0x0D 

 

Example5: Set Brightness as 76 for all TV and this command is valid 
Send (Hex Format)  

Name  

Length 

ID 

Command 

Type 

Command 

Value1  

Value2  

Value3  

CR  

Hex  

0x38 

0x39 

0x39 

0x73 

0x24 

0x30 

0x37 

0x36 

0x0D 

No Reply. 

 

 

CD5233

/

CD4233

 set-function table 

 

Set Function   Length 

ID 

Command 

Command  

Value Range  

Comments 

 

 

Type 

Code (ASCII)   Code (Hex) 

(Three ASCII bytes) 

Power  

8 

 

s 

! 

21 

000: STBY 

Controlled  power 

Summary of Contents for CD4233

Page 1: ...3 Get Function Listing 7 4 Protocol 2 without ID 10 4 1 Set function listing 10 4 2 Get Function Listing 12 4 3 Remote Control Pass through mode 15 Version control Date Reversion Changes and additions by 05 03 2010 V1 0 First release combine two protocol sets in one document Tony Kao Applicable model CD5233 CD4233 1 Introduction This document describes the hardware interface spec and software prot...

Page 2: ...onic LCD communication port in the rear side 1 Connector type DSUB 9 Pin Male 2 Pin Assignment Male DSUB 9Pin outside view Pin Signal Remark 1 NC 2 RXD Input to LCD Monitor 3 TXD Output from LCD Monitor 4 NC 5 GND 6 NC 7 NC 8 NC 9 NC frame GND Use of crossover null modem cable required for use with PC 2 2 Communication Setting Baud Rate Select 9600bps fixed Data bits 8bits fixed Parity None fixed ...

Page 3: ...mat consists of 11 bytes Set Function description Length Total Byte of Message excluding CR TV ID Identification for each of TV If we want to set all TV settings TV ID can use 99 to achieve and it will not have Reply command on this function Command Type Identify command type s 0x73h Set Command Command Function command code One byte ASCII code Value 1 3 Three bytes ASCII that defines the value CR...

Page 4: ...mmand Type Command Value1 Value2 Value3 CR Hex 0x38 0x30 0x33 0x73 0x27 0x30 0x33 0x32 0x0D Reply Hex Format Name Length ID Command Type CR Hex 0x34 0x30 0x33 0x2B 0x0D Example4 Set Tint as 75 for TV 03 and this command is NOT valid Send Hex Format Name Length ID Command Type Command Value1 Value2 Value3 CR Hex 0x38 0x30 0x33 0x73 0x27 0x30 0x37 0x35 0x0D Reply Hex Format Name Length ID Command Ty...

Page 5: ...0 Sets Treble value Balance 8 s 0 30 000 100 Sets Balance position Picture Size 8 s 1 31 000 FULL 001 NORMAL 002 CUSTOM 003 DYNAMIC 004 REAL OSD Language 8 s 2 32 000 English 001 French 002 Spanish 003 Germany 004 Italian 005 Simplified Chinese 006 Russian 007 Polish 008 Turkish OSD timeout 8 s 3 33 005 120 Sec Set OSD timeout Volume 8 s 5 35 000 100 Mute 8 s 6 36 000 OFF 001 ON mute Off Timer 8 s...

Page 6: ...te Control 8 s B 42 000 Disable Disable RCU has no effect on HDTV 001 Enable Enabled RCU controls the HDTV This is the power up default on the HDTV 002 Pass through Pass through RCU has no effect on HDTV and all RCU command codes are transmitted to FC via the RS232 port See page 26 for more details Key Pad 8 s C 43 000 Disable Disable Key Pad have no effect on HDTV 001 Enable Enabled Key Pad contr...

Page 7: ...n format Send Command Type g Name Length ID Command Type Command Value1 Value2 Value3 CR Byte Count 1 Byte 2 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte Bytes order 1 2 3 4 5 6 7 8 9 Reply Command Type r or If the Command is valid Command Type r Name Length ID Command Type Command Value1 Value2 Value3 CR Byte Count 1 Byte 2 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte Bytes order 1 2 3 4 5 6 ...

Page 8: ... Type Command Value1 Value2 Value3 CR Hex 0x38 0x30 0x37 0x67 0X65 0x30 0x30 0x30 0x0D Reply Hex Format Name Length ID Command Type Command Value1 Value2 Value3 CR Hex 0x38 0x30 0x37 0x72 0x65 0x30 0x33 0x32 0x0D Example4 Get Tint from TV 07 but the Brightness command ID is error and it is NOT in the command table Send Hex Format Name Length ID Command Type Command Value1 Value2 Value3 CR Hex 0x38...

Page 9: ...pness value Get Color 8 g d 64 000 100 Gets Color value Get Tint 8 g e 65 000 100 Gets Tint value Get Volume 8 g f 66 000 100 Gets Volume value Get Mute 8 g g 67 000 OFF unmuted Gets Mute ON OFF status 001 ON muted Get RCU 8 g h 68 000 Disable Gets RCU mode status 001 Enable 002 Pass through Get Key Pad 8 g i 69 000 Disable Gets Buttons ON OFF status 001 Enable Get Input select 8 g j 6A 000 VGA Ge...

Page 10: ...Value2 Value3 CR Byte Count 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte 1 Byte Bytes order 1 2 3 4 5 6 All Set Function from PC to Monitor ASCII Name Length Command Value1 Value2 Value3 CR Byte Count 5 1 Byte 1 Byte 1 Byte 1 Byte 00D Bytes order 1 2 3 4 5 6 Example Set Mute ON command ASCII Name Length Command Value1 Value2 Value3 CR Byte Count 5 6 0 0 0 00D Bytes order 1 2 3 4 5 6 Example Set Mute OFF com...

Page 11: ...100 Tint 5 27 000 100 Bass 5 2E 000 100 Sets Bass value Treble 5 2F 000 100 Sets Treble value Balance 5 0 30 000 100 Sets Balance position Picture Size 5 1 31 000 FULL 001 NORMAL 002 CUSTOM 003 DYNAMIC 004 REAL OSD Language 55 2 32 000 English 001 French 002 Spanish 003 Germany 004 Italian 005 Simplified Chinese 006 Russian 007 Polish 008 Turkish OSD timeout 5 3 33 005 120 Sec Set OSD timeout Volu...

Page 12: ...le Disable Key Pad have no effect on HDTV 001 Enable Enabled Key Pad control the HDTV This is the power up default on the HDTV Factory reset 5 7E 0 Rests HDTV to factory setting 4 2 Get Function Listing The PC can interrogate the LCD Monitor for specific information The Get Function packet format consists of 5 bytes which is similar to the Set Function packet structure Note that the Value byte is ...

Page 13: ...nitor PC send Get Volume value packet to Monitor In ASCII Name Length Command Value1 Value2 Value3 CR Byte Count 5 f 0 0 0 00D Bytes order 1 2 3 4 5 6 LCD Monitor will send 02Dh CR to PC if command is not recognized Otherwise the LCD Monitor will respond with the volume value as outlined below LCD Monitor response packet to Get volume value in this example the volume value is 50 Name Length Value1...

Page 14: ...lor d 64 000 100 Gets Color value Get Tint e 65 000 100 Gets Tint value Get Volume f 66 000 100 Gets Volume value Get Mute g 67 000 OFF unmuted Gets Mute ON OFF status 001 ON muted Get RCU h 68 000 Disable Gets RCU mode status 001 Enable 002 Pass through Get Key Pad i 69 000 Disable Gets Buttons ON OFF status 001 Enable Get Input select j 6A 000 VGA Gets Input select status 001 HDMI 002 DVI D 003 ...

Page 15: ... PC over the RS232 port Remote Control pass through packet format from LCD monitor to PC ASCII Name Length RCU Code1 RCU Code2 CR Byte Count 3 MSB LSB 00D Bytes order 1 2 3 4 Example Remote Control pass through when Menu key is pressed 1A Name Length RCU Code1 RCU Code2 CR Byte Count 3 1 A 00D Bytes order 1 2 3 4 Example Remote Control pass through when key 1 is pressed 01 Name Length RCU Code1 RC...

Page 16: ...____________________________________________________________ May 28 2007 16 16 Commercial Display RS 232 Protocol PIP INPUT 20 PIP CHANGE 21 PICTURE MODE 22 AUDIO INPUT 23 SCREEN SAVER MOTION 24 SCREEN SAVER BRIGHTNESS 25 DISPLAY 26 AUTO SETUP 27 EXIT 28 ...

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