ViewSonic RS-232/LAN Control Protocol Projector Owner's Manual

Connect the ViewSonic Projector communication port to the
control device using a DSUB 9-Pin connector. Use a crossover (null
modem) cable if needed for communication. Only connect pins 2, 3,
and 5 for control communication.

2. Communication Settings:

Set the communication settings as follows:

Baud Rate: 19200 bps (default)

Data Length: 8 bit
Partly Check: None

Stop Bit: 1 bit
Flow Control: None

3. Command Message Reference:

Control unit should send command packets followed by checksum to
the projector. The projector will respond to each command sent by
the control unit.

4. Command Functions:

The control unit can perform specific actions on the projector
using commands like Write-Function and Read-Function. Refer to the
user manual for detailed command formats.

FAQ:

Q: What is the default Baud Rate for communication?

A: The default Baud Rate is 19200 bps.

Q: How many pins are needed for control communication?

A: Only pins 2, 3, and 5 need to be connected for control
communication.

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Projector RS-232 Protocol
ViewSonic

Projector RS-232/LAN Control Protocol

Projector RS-232 Protocol

Projector RS-232 Protocol
Projector RS232/LAN Control Protocol
Table of content
1 Introduction………………………………………………………………………………………………….. 3 2 Description …………………………………………………………………………………………………… 3
2.1 Hardware specification …………………………………………………………………………….. 3 2.2 Communication Setting ……………………………………………………………………………. 4 2.3 Command Message Reference…………………………………………………………………… 4 3 Protocol / Command ……………………………………………………………………………………… 5 3.1 Command Description ……………………………………………………………………………….6 3.2 RS232 Command list …………………………………………………………………………………7

Projector RS-232 Protocol

Projector RS-232 Protocol
1 Introduction
This document describes the hardware interface spec and software protocols of RS232 interface communication between ViewSonic Projectors and Control unit, such as PC and AMX controller, with RS232 protocol.
The protocol contains three sections command: · Write-Function · Read-Function · Execute-Function
2 Description
2.1 Hardware specification
Viewsonic Projector communication port on the rear side (1) Connector type: DSUB 9-Pin (2) Pin Assignment :
Male DSUB 9-Pin (outside view)

Female DSUB 9-Pin (outside view)

Note: 1. Use of crossover (null modem) cable required for use with control device if needed. 2. Only 3 pins connection needed for control communication.

For example, below is for Male DSUB 9-Pin

Pin # 2 3 5

Signal RXD TXD GND

Remark

Projector RS-232 Protocol

2.2 Communication Setting

RS-232 protocol

Value

Baud Rate

19200 bps (default)

Data Length

8 bit

Partly Check

None

Stop Bit

1 bit

Flow Control

None

Note: Baud rate can support : 4800/9600/19200/38400

2.3 Command Message Reference
Control unit sends to projector command packet followed by checksum. Every time Control unit sends control command to the projector, the projector shall respond.
The RS232 format for each command is listed below

Projector RS-232 Protocol

Projector RS-232 Protocol
3 Protocol / Command The communication flow is demonstrated below, which “Host” is the control unit:

3.1 Command description The Control unit can control the projector for specific actions. The Write-Function command allows you to control the projector behavior in a remote site through the RS232 port. The Write-Function packet format is followed below RS232 format.
Write-Function description:
Read-Function format:

Reply format:

Note: There are two formats for the response packet, one byte and two bytes, shown above.

Projector RS-232 Protocol

No. Function Type Action

Command

Projector RS-232 Protocol

Response

The response of Query Read command

Factory Mode

1 Reset

Write Reset

to Factory

Default

2 LAN Reset Write Reset

to Factory

Default

0x06 0x14 0x00 0x03 0x00 0x34 0x0C 0x03 0x14 0x00 0x00 0x00 0x14 Note 9. 0x08 0x5F
0x06 0x14 0x00 0x04 0x00 0x34 0x0C 0x03 0x14 0x00 0x00 0x00 0x14 0x5A 0x00 0xB2

Note: (The content of the notes may vary depending on the model)
1. Operating temperature value format: Response : 0x05 0x14 0x00 0x0A 0x00 0x00 0x00 0x29 0x01 0x00 0x00 0x00 0x00 0x00 0x00 0x48(checksum) Value : Byte7~Byte10 0xaa 0xbb 0xcc 0xdd -> HEX2DEC(ddccbbaa)/10 -> real temperature degree Ex. “0x29 0x01 0x00 0x00” -> 0x00000129 =297 -> 29.7 C . Note: the order of first byte 0x05 is 0.
2. For the LAN control, the code format is similar except that to replace the “0x” to “”, via a LAN Port 4661. Exception: For Pro9 series, the RS232 control code need to refer to Users Manual and the LAN Port is 23.
3. Error response status(Only for service debug) : Response : 0x05 0x14 0x00 0x16 0x00 0x00 0x00 ErrorStatus(20 Items) checksum 1. Item 1 ~17: 1 byte. 2. Item 18 : First burn In error minutes 4 Bytes. 3. Item 19: Light source mode Status1 Byte. 4. Item 20: Light source mode error status2 Bytes. Total : 32 Bytes
4. Light Source Usage Time status response value format: Response : 0x05 0x14 0x00 0x06 0x00 0x00 0x00 0xB8 0x0B 0x00 0x00 0xDD (checksum) Value : Byte7~Byte10 0xaa 0xbb 0xcc 0xdd -> HEX2DEC(ddccbbaa) -> real temperature degree Ex. “0xB8 0x0B 0x00 0x00” -> 0x00000BB8 =3000(DEC) -> 3000 hrs .
Note: The first byte “0x05” is order 0, Byte0. 5. When the projector response the code “0x00 0x14 0x00 0x00 0x00 0x14” at the first byte “0x00”, it indicates that function is disable (grey out).
For example, when there are no source inputs to projector, the function “Aspect Ratio” is greyed out and can’t be controled by user via OSD menu or RC.
6. HDMI Range: Enhanced / Full = 0 255 steps Normal / Limited = 16 -235 steps
7. Status explanation: Power On: System is finished all HW/FW settings and ready to work. Warm Up: System is at initial stage to set and check HW/FW environment. Please do not perform other commands. Cool Down: System is at final stage to close HW/FW environment. Please do not perform other commands. Power Off: System is turned off, please set LAN control settings/Standby LAN Control to “ON” for reboot the projector by LAN.
*This command is only applied to particular models, please refer to User Guide.
8. The “Mute” function is only active when there is an input source applied. The “Auto Adjust” function is only active when there is an input source of non-digital type applied, such as VGA/Computer1/D-sub.
9. Reset to Factory Default: User has to reboot the projector to clear the parameters

Projector RS-232 Protocol

3.2 RS232 Command list

No.

Function

Power

Type
Write Write

Action
ON OFF

Power

Read

Status (Note 7)

Splash Screen

7 Quick Power Off

8 Quick Power Off

9 Quick Power Off

10 High Altitude Mode

11 High Altitude Mode

12 High Altitude Mode

13 High Altitude Mode

Lamp mode / Light source mode

18 Light source Mode

19 Projector Position

20 Projector Position

21 Projector Position

22 Projector Position

23 Projector Position

Contrast

Brightness

Aspect ratio

Write Write Read Write Write Read Write Write Write Read
Write
Write
Write
Write
Read Write Write Write Write Read Write Write
Read
Write Write
Read
Write Write Write Write Write

Black Blue Status OFF ON Status OFF ON AUTO Status
Normal
Full Normal
Eco
SuperEco
Status Front Table Rear Table Rear Ceiling Front Ceiling
Status Decrease Increase
Get Value
Decrease Increase
Get Value
Auto 4:03 16:09 16:10 21:09

Aspect ratio

36 Color temperature

38 Color temperature

40 Color temperature

Blank

45 Keystone-Vertical

46 Keystone-Vertical

47 Keystone-Vertical

48 Keystone-Horizontal 49 Keystone-Horizontal

50 Keystone-Horizontal

Color mode

Sharpness

Freeze

Read Write
Write
Write
Write Write Read Write Write
Read Write Write
Read Write Write Write Write Read Write Write
Read Write

Get Value Warm/ 5500K Neutral/ 7500K Cool/
8000K/8500K ON OFF
Status Decrease Increase
Get value
Decrease Increase
Get value
Brightest Movie
User1 / User Golf Status
Decrease Increase
Get value
ON

Command
06 14 00 04 00 34 11 00 00 5D 06 14 00 04 00 34 11 01 00 5E
07 14 00 05 00 34 00 00 11 00 5E
06 14 00 04 00 34 11 0A 00 67 06 14 00 04 00 34 11 0A 01 68 07 14 00 05 00 34 00 00 11 0A 68 06 14 00 04 00 34 11 0B 00 68 06 14 00 04 00 34 11 0B 01 69 07 14 00 05 00 34 00 00 11 0B 69 06 14 00 04 00 34 11 0C 00 69 06 14 00 04 00 34 11 0C 01 6A 06 14 00 04 00 34 11 0C 02 6B 07 14 00 05 00 34 00 00 11 0C 6A

Response
03 14 00 00 00 14 03 14 00 00 00 14 Power off: 05 14 00 03 00 00 00 00 17 Power on : 05 14 00 03 00 00 00 01 18 Warm up : 05 14 00 03 00 00 00 02 19 Coll down: 05 14 00 03 00 00 00 03 1A 03 14 00 00 00 14 03 14 00 00 00 14 05 14 00 03 00 00 00 02 19 03 14 00 00 00 14 03 14 00 00 00 14 05 14 00 03 00 00 00 00 17 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 05 14 00 03 00 00 00 00 17

The response of Query Read command
05 14 00 03 00 00 00 01 18 05 14 00 03 00 00 00 00 17
05 14 00 03 00 00 00 00 17 05 14 00 03 00 00 00 01 18
05 14 00 03 00 00 00 00 17 05 14 00 03 00 00 00 01 18
05 14 00 03 00 00 00 00 17 05 14 00 03 00 00 00 01 18 05 14 00 03 00 00 00 02 19

06 14 00 04 00 34 11 10 00 6D

03 14 00 00 00 14

05 14 00 03 00 00 00 00 17

06 14 00 04 00 34 11 10 0B 78

03 14 00 00 00 14

05 14 00 03 00 00 00 0B 22

06 14 00 04 00 34 11 10 01 6E

03 14 00 00 00 14

05 14 00 03 00 00 00 01 18

06 14 00 04 00 34 11 10 03 70
07 14 00 05 00 34 00 00 11 10 6E 06 14 00 04 00 34 12 00 00 5E 06 14 00 04 00 34 12 00 01 5F 06 14 00 04 00 34 12 00 02 60 06 14 00 04 00 34 12 00 03 61
07 14 00 05 00 34 00 00 12 00 5F 06 14 00 04 00 34 12 02 00 60 06 14 00 04 00 34 12 02 01 61
07 14 00 05 00 34 00 00 12 02 61
06 14 00 04 00 34 12 03 00 61 06 14 00 04 00 34 12 03 01 62
07 14 00 05 00 34 00 00 12 03 62
06 14 00 04 00 34 12 04 00 62 06 14 00 04 00 34 12 04 02 64 06 14 00 04 00 34 12 04 03 65 06 14 00 04 00 34 12 04 04 66 06 14 00 04 00 34 12 04 0B 6D

03 14 00 00 00 14
05 14 00 03 00 00 00 00 17 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14
05 14 00 03 00 00 00 00 17 03 14 00 00 00 14 03 14 00 00 00 14
05 14 00 04 00 00 00 00 00 18
03 14 00 00 00 14 03 14 00 00 00 14
05 14 00 04 00 00 00 32 00 4A
03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14

05 14 00 03 00 00 00 03 1A 05 14 00 03 00 00 00 00 17 05 14 00 03 00 00 00 00 17 05 14 00 03 00 00 00 01 18 05 14 00 03 00 00 00 02 19 05 14 00 03 00 00 00 03 1A
Refer to value mapping table 3.2.2 (2 byte)
Refer to value mapping table 3.2.2 (2 byte)
05 14 00 03 00 00 00 00 17 05 14 00 03 00 00 00 02 19 05 14 00 03 00 00 00 03 1A 05 14 00 03 00 00 00 04 1B 05 14 00 03 00 00 00 0B 22

07 14 00 05 00 34 00 00 12 04 63 06 14 00 04 00 34 12 08 00 66

05 14 00 03 00 00 00 00 17 03 14 00 00 00 14

05 14 00 03 00 00 00 00 17

06 14 00 04 00 34 12 08 02 68

03 14 00 00 00 14

05 14 00 03 00 00 00 02 19

06 14 00 04 00 34 12 08 03 69

03 14 00 00 00 14

05 14 00 03 00 00 00 03 1A

06 14 00 04 00 34 12 09 01 68 06 14 00 04 00 34 12 09 00 67 07 14 00 05 00 34 00 00 12 09 68 06 14 00 04 00 34 12 0A 00 68 06 14 00 04 00 34 12 0A 01 69
07 14 00 05 00 34 00 00 12 0A 69
06 14 00 04 00 34 11 31 00 8E 06 14 00 04 00 34 11 31 01 8F
07 14 00 05 00 34 00 00 11 31 8F
06 14 00 04 00 34 12 0B 00 69 06 14 00 04 00 34 12 0B 01 6A 06 14 00 04 00 34 12 0B 18 81 06 14 00 04 00 34 12 0B 1D 86 07 14 00 05 00 34 00 00 12 0B 6A 06 14 00 04 00 34 12 0E 00 6C 06 14 00 04 00 34 12 0E 01 6D
07 14 00 05 00 34 00 00 12 0E 6D
06 14 00 04 00 34 13 00 01 60

03 14 00 00 00 14 03 14 00 00 00 14 05 14 00 03 00 00 00 00 17 03 14 00 00 00 14 03 14 00 00 00 14
05 14 00 03 00 00 00 00 17
03 14 00 00 00 14 03 14 00 00 00 14
05 14 00 03 00 00 00 00 17
03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 05 14 00 03 00 00 00 00 17 03 14 00 00 00 14 03 14 00 00 00 14
05 14 00 04 00 00 00 00 00 18
03 14 00 00 00 14

05 14 00 03 00 00 00 01 18 05 14 00 03 00 00 00 00 17
Refer to value mapping table 3.2.1 (1byte)
Refer to value mapping table 3.2.1 (1byte)
05 14 00 03 00 00 00 00 17 05 14 00 03 00 00 00 01 18 05 14 00 03 00 00 00 18 2F 05 14 00 03 00 00 00 1D 34
Refer to value mapping table 3.2.2 (2 byte)
05 14 00 03 00 00 00 01 18

Freeze

Source input

71 Quick Auto Search

72 Quick Auto Search

73 Quick Auto Search

Mute

Volume

Language

100

Language

101

Language

102

Language

104

Language

105

Language

106

Light Source Usage Time

107

Error status

108

Screen Color

109

Screen Color

110

Screen Color

111

Screen Color

112

Screen Color

113

Remote Key

114

Remote Key

115

Remote Key

116

Remote Key

117

Remote Key

118

Remote Key

119

Remote Key

120

Remote Key

121

FW Version

122

Reset to Factory Default

Write
Read
Write Write Write Write Write
Write Write Read Write Write Read Write Write Read Write Write Write
Read
Write Write Write Write Write Write Write Write Write Write Write Write Write Write Write Write Write Write Write Write Write Write Write Read
Read
Read
Write Write Write Write Read Write Write Write Write Write Write Write Write
Read
Write

OFF
Status
D-Sub / Comp. 1 HDMI 1 HDMI 2 HDbaseT
USB Reader / USB1
LAN / WiFi Display USB Display Status ON OFF Status ON OFF Status Increse Decrese Write Value
Get Value
English Français Deutsch Italiano Español Swidish
Dutch Turkish Czech Portugese
Thai Polish Finnish Indonesia
Vie Hungarian
Norse Danish Status

06 14 00 04 00 34 13 00 00 5F
07 14 00 05 00 34 00 00 13 00 60
06 14 00 04 00 34 13 01 00 60 06 14 00 04 00 34 13 01 03 63 06 14 00 04 00 34 13 01 07 67 06 14 00 04 00 34 13 01 0C 6C 06 14 00 04 00 34 13 01 1A 7A
06 14 00 04 00 34 13 01 1B 7B 06 14 00 04 00 34 13 01 1C 7C 07 14 00 05 00 34 00 00 13 01 61 06 14 00 04 00 34 13 02 01 62 06 14 00 04 00 34 13 02 00 61 07 14 00 05 00 34 00 00 13 02 62 06 14 00 04 00 34 14 00 01 61 06 14 00 04 00 34 14 00 00 60 07 14 00 05 00 34 00 00 14 00 61 06 14 00 04 00 34 14 01 00 61 06 14 00 04 00 34 14 02 00 62 06 14 00 04 00 34 13 2A 11 9A
07 14 00 05 00 34 00 00 14 03 64
06 14 00 04 00 34 15 00 00 61 06 14 00 04 00 34 15 00 01 62 06 14 00 04 00 34 15 00 02 63 06 14 00 04 00 34 15 00 03 64 06 14 00 04 00 34 15 00 04 65 06 14 00 04 00 34 15 00 05 66 06 14 00 04 00 34 15 00 06 67 06 14 00 04 00 34 15 00 07 68 06 14 00 04 00 34 15 00 08 69 06 14 00 04 00 34 15 00 09 6A 06 14 00 04 00 34 15 00 0a 6B 06 14 00 04 00 34 15 00 0b 6C 06 14 00 04 00 34 15 00 0c 6D 06 14 00 04 00 34 15 00 0d 6E 06 14 00 04 00 34 15 00 0e 6F 06 14 00 04 00 34 15 00 0f 70 06 14 00 04 00 34 15 00 10 71 06 14 00 04 00 34 15 00 11 72 06 14 00 04 00 34 15 00 13 74 06 14 00 04 00 34 15 00 15 76 06 14 00 04 00 34 15 00 17 78 06 14 00 04 00 34 15 00 18 79 06 14 00 04 00 34 15 00 19 7A 07 14 00 05 00 34 00 00 15 00 62

03 14 00 00 00 14
05 14 00 03 00 00 00 00 17
03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14
03 14 00 00 00 14 03 14 00 00 00 14 05 14 00 03 00 00 00 00 17 03 14 00 00 00 14 03 14 00 00 00 14 05 14 00 03 00 00 00 01 18 03 14 00 00 00 14 03 14 00 00 00 14 05 14 00 03 00 00 00 00 17 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14
05 14 00 03 00 00 00 01 18
03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 05 14 00 03 00 00 00 00 17

05 14 00 03 00 00 00 00 17 Refer to value mapping table
3.2.1 (1byte) 05 14 00 03 00 00 00 00 17 05 14 00 03 00 00 00 03 1A 05 14 00 03 00 00 00 07 1E 05 14 00 03 00 00 00 0C 23 05 14 00 03 00 00 00 1A 31
05 14 00 03 00 00 00 1B 32 05 14 00 03 00 00 00 1C 33
05 14 00 03 00 00 00 01 18 05 14 00 03 00 00 00 00 17
05 14 00 03 00 00 00 01 18 05 14 00 03 00 00 00 00 17
Note 8.
Refer to value mapping table 3.2.1 (1byte)
05 14 00 03 00 00 00 00 17 05 14 00 03 00 00 00 01 18 05 14 00 03 00 00 00 02 19 05 14 00 03 00 00 00 03 1A 05 14 00 03 00 00 00 04 1B 05 14 00 03 00 00 00 05 1C 05 14 00 03 00 00 00 06 1D 05 14 00 03 00 00 00 07 1E 05 14 00 03 00 00 00 08 1F 05 14 00 03 00 00 00 09 20 05 14 00 03 00 00 00 0A 21 05 14 00 03 00 00 00 0B 22 05 14 00 03 00 00 00 0C 23 05 14 00 03 00 00 00 0D 24 05 14 00 03 00 00 00 0E 25 05 14 00 03 00 00 00 0F 26 05 14 00 03 00 00 00 10 27 05 14 00 03 00 00 00 11 28 05 14 00 03 00 00 00 13 2A 05 14 00 03 00 00 00 15 2C 05 14 00 03 00 00 00 17 2E 05 14 00 03 00 00 00 18 2F 05 14 00 03 00 00 00 19 30

Get Usage Time 07 14 00 05 00 34 00 00 15 0A 6C 05 14 00 06 00 00 00 B8 0B 00 00 DD

See note 4

Status
Greenboard Blueboard
Red Yellow Status Menu
Top Bottom
Left Right Source Enter Auto
Get value
Reset to Factory Default

07 14 00 05 00 34 00 00 0C 0D 66
06 14 00 04 00 34 11 32 02 91 06 14 00 04 00 34 11 32 04 93 06 14 00 04 00 34 11 32 05 94 06 14 00 04 00 34 11 32 06 95 07 14 00 05 00 34 00 00 11 32 90 06 14 00 04 00 34 02 04 0F 61 06 14 00 04 00 34 02 04 0B 5D 06 14 00 04 00 34 02 04 0C 5E 06 14 00 04 00 34 02 04 0D 5F 06 14 00 04 00 34 02 04 0E 60 06 14 00 04 00 34 02 04 04 56 06 14 00 04 00 34 02 04 15 67 06 14 00 04 00 34 02 04 08 5A
07 14 00 05 00 34 00 00 11 1A 78

05 14 00 16 00 00 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11
01 02 03 04 01 01 02 FF 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14
05 14 00 03 00 00 00 00 17 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14 03 14 00 00 00 14
05 14 00 06 00 00 00 01 00 02 06 23

See note 3 05 14 00 03 00 00 00 02 19 05 14 00 03 00 00 00 04 1B 05 14 00 03 00 00 00 05 1C 05 14 00 03 00 00 00 06 1D
Red word: ASCII code of FW version, 102

06 14 00 03 00 34 0C 08 5F

03 14 00 00 00 14

Note 9.

Documents / Resources

ViewSonic RS-232/LAN Control Protocol Projector [pdf] Owner's Manual
LSC Series, RS-232 LAN Control Protocol Projector, RS-232 LAN, Control Protocol Projector, Protocol Projector, Projector

References

User Manual

RS-232/LAN Control Protocol Projector

Specifications:

Product Usage Instructions:

1. Hardware Setup:

2. Communication Settings:

3. Command Message Reference:

4. Command Functions:

FAQ:

Q: What is the default Baud Rate for communication?

Q: How many pins are needed for control communication?

Documents / Resources

References

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