Length, Command Type, Value1~3 | ViewSonic VS11915, CD4620 guide

5.Protocol 1 : with ID

5.1Command Description

Length:	Total Byte of Message excluding “CR”
TV ID	Identification for each of TV
	Identify command type,
	“s” (0x73h) : Set Command
	“g” (0x67h) : Get Command
Command Type	“r” (0x72h) : Reply Command
	“p” (0x70h) : RCU Pass-through
	“+” (0x2Bh) : Valid command Reply
	“-“ (0x2Dh) : Invalid command Reply
Command:	Function command code: One byte ASCII code
Value[1~3]:	Three bytes ASCII that defines the value
CR	0x0D

5.2Set-Function Listing

The PC can control the LCD Monitor for specific actions. The Set-Function command allows you to control the LCD monitor behavior in a remote sit through the RS232 port. The Set-Function packet format 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	0x0D

Set-Function format

Send: (Command Type=”s”)

Name

Byte

Count

Bytes order

Length	ID	Command Type	Command	Value1	Value2	Value3	CR
1 Byte	2 Byte	1 Byte	1 Byte	1 Byte	1 Byte	1 Byte	1 Byte

1	2~3	4	5	6	7	8	9

Reply: (Command Type=”+” or “-”)

Name

Byte

Count

Bytes order

Length	ID	Command Type	CR
1 Byte	2 Byte	1 Byte	1 Byte

1	2~3	4	5

Example1: Set Brightness as 76 for TV-02 and this command is valid Send (Hex Format)

	Name		Length	ID	Command Type	Command		Value1	Value2	Value3	CR
	Hex		0x38	0x30	0x73	0x24		0x30	0x37	0x36	0x0D
				0x32
	Reply (Hex Format)
	Name		Length	ID	Command Type	CR
	Hex		0x34	0x30	0x2B	0x0D
	Hex		0x34	0x30	0x2B	0x0D
				0x32

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

ViewSonic CD4620

46

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ViewSonic VS11915, CD4620 Value1~3, Set-Function description Length, Set-Function format Send Command Type=s

Contents

ViewSonic Contents Page For U.S.A For Canada Compliance InformationCE Conformity for European Countries Following information is only for EU-member states Important Safety Instructions Declaration of RoHS Compliance Product Registration For Your Records Copyright InformationProduct disposal at end of product life Recommended Use Safety PrecautionsErgonomics Package Contents ViewSonic CD4620 Page Wireless Remote Control Handling the remote control Operating Range for the Remote Control Setup Procedure Adjust the screen Adjust the soundAdjust the image Recommended Adjustment Upright position Lay the screen face down How to Mount and Attach Options to the LCD MonitorVentilation Requirements for enclosure mounting Clamper and Screw is not supply To avoid monitor from falling Connections Wiring DiagramBefore making connections Connect the LCD Monitor to a Personal Computer Connecting a Personal Computer Connect the LCD Monitor to a Computer with a Digital Output Connecting with Digital Interface Equipment Connect the LCD Monitor to a DVD Player Connecting a DVD Player with component out Connect the LCD Monitor to a Stereo Amplifier Connecting to a Stereo Amplifier Pressing the Main Power Switch Power on and OFF ModesPressing the power button Using the remote control Using Power Management Power IndicatorSelecting a video source To view a video source Picture Size Audio Source Switching Picture ModeControl Lock Mode Information OSD OSD On-Screen-Display Controls Remote Control Control PanelScreen Picture Position Screen Audio Audio ResetBalance Treble PIP Picture in Picture PIP ResetPIP Size PIP Audio Power Save ConfigurationConfiguration Reset Factory Reset OSD Turn OFF OFF TimerInformation OSD OSD H Position Gamma Selection Advanced OptionIR Control Advanced Option Reset Power on DelayTiling Date and Time Image Sticking of LCD Panel For long life use of Public DisplayRecommendations Secondary Remote control numbering function Connection Controlling the LCD monitor via RS-232C Remote Control How to remove the stands How to install standsStand is not supply. Stand sold as an option accessory Features Troubleshooting Analog Input Digital Input Specifications25.0 -165.0 MHz = FAX Customer Support Viewsonic LCD Display Limited Warranty Exclusion of damages Viewsonic Display Products Mexico Limited Warranty Merida Protocol 1 with ID Introduction DescriptionProtocol 2 without ID Version control Date Reversion Changes and additions Communication Setting Hardware specificationCommand Message Reference Protocol 1, with ID Command Command TypeSet-Function format Send Command Type=s Reply Command Type=+ or No Reply CD4620/CD4220 set-function table Reply Hex Format Pass through RCU Enabled RCU Reply Command Type=r or Get-Function format Send Command Type=gGet-Function description ReplyHex Format PC Get-function command to CD4620/CD4220 LCD Monitor Length Command Value1 Value2 Value3 00D Length Command Value1 Value2 Value3CD4620/CD4220 set command table Set-Function description Pass through RCU has no Length Value1 Value2 Value3 Value4 00D Byte Count 00D Bytes order Ascii Key Code HEX Remote Control Pass-through mode