MULTIMEDIA PROJECTOR LV-8320 BASIC SERIAL COMMAND SPECIFICATIONS Revision 1 © 2011 CANON INC.
LV-8320 Basic Serial Command Specifications Table of Contents 1．Overview .............................................................................. 1 2．Serial Interface Specifications .............................................. 2 2.1.Transfer Specifications .............................................................................................. 2 2.2.Connection .................................................................................................................
LV-8320 Basic Serial Command Specifications 6.39. 6.40. 6.41. 6.42. 6.43. 6.44. 6.45. 6.46. 6.47. 6.48. 6.49. 6.50. 6.51. 6.52. 6.53. 6.54. 6.55. 6.56. 6.57. 6.58. Power Management Shut down Command....................................................... 14 D.ZOOM + Command ........................................................................................ 15 D.ZOOM – Command......................................................................................... 15 S-Video Command ....................
LV-8320 Basic Serial Command Specifications 1．Overview 1.1. These specifications define projector control commands for LV-8320. 1.2. The projector control commands are used to remotely control a projector through RS-232C from a computer.
LV-8320 Basic Serial Command Specifications 2．Serial Interface Specifications 2.1. Transfer Specifications Item Specifications Synchronous system Asynchronous Transmission Speed 9600 / 19200 Data Length 8 bit Parity N/A Stop Bit 1 Flow Control N/A 1) Transmission speed: initial setting value is 19200. 2) Transmission speed can be changed in service mode. 2.2. Connection Dedicated serial cable must be used for connection to a computer and a projector.
LV-8320 Basic Serial Command Specifications 3．Notes for Communication 1. The projector control command is defined as one command/one line that starts with “C” and ends with carriage return (0x0D). 2. There are two types of Commands: Functional Execution Commands and Status Read Commands. Example of Functional Execution Command: “C05” [CR] Example of Status Read Command: “CR0” [CR] 3. When it takes more than one second to receive one command, it does not operate.
LV-8320 Basic Serial Command Specifications 4．Functional Execution Command Table Command C00 C01 Item POWER ON POWER OFF (Quick Power OFF) Command C20 Item BRIGHTNESS + C21 BRIGHTNESS - C02 POWER OFF C22 ――― C03 ――― C23 ――― C04 HDMI C24 ――― C05 Computer 1 C25 ――― C06 Computer 2 C26 ――― C07 Video C27 IMAGE (Toggle) C08 ――― C28 Direct on Enable C09 VOLUME + C29 Direct on Disable C0A VOLUME - C2A Power Management Ready C0B AUDIO MUTE ON C2B Power Management OFF C0
LV-8320 Basic Serial Command Specifications Command Item Command Item C40 ――― C80 ――― C41 ――― C81 ――― C42 ――― C82 ――― C43 FREEZE ON C83 ――― C44 FREEZE OFF C84 ――― C45 ――― C85 ――― C46 ――― C86 ――― C47 ――― C87 ――― C48 ――― C88 ――― C49 ――― C89 Auto PC ADJ.
LV-8320 Basic Serial Command Specifications 5．Status Read Command Table Command CR0 Item Memo Status Read CR1 Input Mode Read CR2 ――― CR3 (Corresponding) Lamp Time Read CR4 Setting Read CR5 ――― CR6 Temp Read CR7 Lamp Mode Read ――― means no function.
LV-8320 Basic Serial Command Specifications 6．Functional Execution Command 6.1. Format 6.1.1 PC issues a command in format as below. “C” COMMAND [CR] Command: two characters (See Basic Functional Execution Command Table) A projector changes received data to decode and returns a result after being ready to receive next command. [ACK]［CR］：(0x06、0x0D)When received Functional Execution Commands. 6.1.2 “？”［CR］：When the received data cannot be decoded. 6.2.
LV-8320 Basic Serial Command Specifications 6.4. Operation Requirements When the projector’s status is any of below, Functional Execution Commands are limited.
LV-8320 Basic Serial Command Specifications 6.5. POWER ON Command Command “C00” [CR] Detail Power ON When already Power is ON, nothing is done. When sending this command during processing Countdown, Countdown is terminated. Response Acceptable [ACK] [CR] Unacceptable “？”[CR] 6.6. POWER OFF Command (Quick Power OFF) Command “C01” [CR] Detail Power OFF (Standby) When Power is OFF with POWER button of the projector and remote control, “Power OFF?” is displayed.
LV-8320 Basic Serial Command Specifications 6.10. Computer 2 Command Command “C06” [CR] Detail Select Computer2 Input Note 1) Although projector returns “OK”, Auto input is not executed with this command while Auto input is set to On1 or On2. Note 2) When “Monitor out” is selected in Terminal menu, projector returns “OK” and displays “Monitor out” on the screen. Response Acceptable [ACK] [CR] Unacceptable “？”[CR] 6.11.
LV-8320 Basic Serial Command Specifications 6.15. AUDIO MUTE OFF Command Command “C0C” [CR] Detail Sound Mute OFF. This command works the same way as “MUTE” button of the remote control for Mute OFF, but does not work for Mute ON. Response Acceptable [ACK] [CR] Unacceptable “？”[CR] 6.16. VIDEO MUTE ON Command Command “C0D”[CR] Detail Video Mute ON. This command works the same way as “BLANK” button of the remote control for BLANK ON, but does not work for BLANK OFF.
LV-8320 Basic Serial Command Specifications 6.21. Image Real Command Command “C12” [CR] Detail Set image to High contrast mode. Response Acceptable [ACK] [CR] Unacceptable “？”[CR] 6.22. Image Cinema Command Command “C13” [CR] Detail Set image to Cinema mode. Response Acceptable [ACK] [CR] Unacceptable “？”[CR] 6.23. Image1 Command Command “C14” [CR] Detail Set image to User1 mode. Response Acceptable [ACK] [CR] Unacceptable “？”[CR] 6.24.
LV-8320 Basic Serial Command Specifications 6.28. Image Dynamic Command Command “C19” [CR] Detail Set image to Presentation mode. Response Acceptable [ACK] [CR] Unacceptable “？”[CR] 6.29. MENU ON Command Command “C1C” [CR] Detail Display On-Screen Display Menu. Response Acceptable [ACK] [CR] Unacceptable “？”[CR] 6.30. MENU OFF Command Command “C1D” [CR] Detail Hide On-Screen Display Menu. Response Acceptable [ACK] [CR] Unacceptable “？”[CR] 6.31.
LV-8320 Basic Serial Command Specifications 6.34. IMAGE (Toggle) Command Command “C27”[CR] Detail Switch Image Setting status. This command works the same way as “IMAGE” button of the remote control. Response Acceptable [ACK] [CR] Unacceptable “？”[CR] 6.35. Direct on Setting Command Command “C28” [CR] Detail Enable Direct power on function. This status is stored in EEPROM and retained regardless of Power OFF/ON. Response Acceptable [ACK] [CR] Unacceptable “？”[CR] 6.36.
LV-8320 Basic Serial Command Specifications 6.40. D.ZOOM + Command Command “C30” [CR] Detail Enter Digital Zoom mode and expand image size. This command works the same way as “D.ZOOM +” button of the remote control. Response Acceptable [ACK] [CR] Unacceptable “？”[CR] 6.41. D.ZOOM – Command Command “C31” [CR] Detail Enter Digital Zoom mode and reduce image size. This command works the same as “D.ZOOM -” button of the remote control. Response Acceptable [ACK] [CR] Unacceptable “？”[CR] 6.42.
LV-8320 Basic Serial Command Specifications 6.46. POINTER UP Command Command “C3C” [CR] Detail Move up the Pointer of On-Screen Display Menu. This command works the same way as the pointer “▲” of the projector. Response Acceptable [ACK] [CR] Unacceptable “？”[CR] 6.47. POINTER DOWN Command Command “C3D” [CR] Detail Move down the Pointer of On-Screen Display Menu. This command works the same way as the pointer “▼” of the projector. Response Acceptable [ACK] [CR] Unacceptable “？”[CR] 6.48.
LV-8320 Basic Serial Command Specifications 6.52. Computer 1 Scart Command Command “C51” [CR] Detail Select Scart input in Computer 1 Although projector returns “OK”, Auto input is not executed with this command while Auto input is set to On1 or On2. Response Acceptable [ACK] [CR] Unacceptable “？”[CR] 6.53. Computer 1 Component Command Command “C54” [CR] Detail Select Component input in Computer 1.
LV-8320 Basic Serial Command Specifications 6.58. KEYSTONE ↓Command Command “C8F” [CR] Detail Correct keystone distortion by reducing down part of image.
LV-8320 Basic Serial Command Specifications 7．Status Read Command 7.1. Format 7.1.1. PC issues commands in format as below; “CR” Command [CR] Command：1 character(See Basic Status Read Command Table) 7.1.2. When a projector receives the appropriate command, it returns a character line as the required data. Required Data [CR] Required Data：A character line(See Basic Status Read Command Table) 7.1.3. When the received data cannot be decoded, the projector returns “?” [CR]. 7.2.
LV-8320 Basic Serial Command Specifications [Details of Response] “00” [CR] Status : Power ON Normal image is on the screen. “80” [CR] Status: Standby When the status is Standby, Status Read Commands are always acceptable, but Functional Execution Commands are not acceptable except POWER ON Command. “40” [CR] Status: Countdown in process When “Display” in Setting Menu is ON and POWER ON is executed, it starts Countdown.
LV-8320 Basic Serial Command Specifications information of temperature anomaly is canceled and normal operation is executed. “24” [CR] Status: Processing Power Save / Cooling Down Power management function in Setting menu works and the status goes to Power Save / Cooling Down. During this time, Functional Execution Commands are invalid (not executed). This status moves to Power Save at set hours after the operation of Cooling Down.
LV-8320 Basic Serial Command Specifications 7.5. Input Mode Read Command Command “CR1” [CR] Detail Get the selected Input No. Acceptable Response %1 Unacceptable “%1” [CR] ”1” = Computer 1 is selected ”2” = Computer 2 is selected “3” = HDMI is selected “4” = Video is selected “5” = S-video is selected “?” [CR] 7.6. Lamp Time Read Command Command “CR3” [CR] Detail Get the total lamp running hours (Not actual lamp used hour, but Eco mode corresponding value).
LV-8320 Basic Serial Command Specifications 7.8. Temp Read Command Command “CR6” [CR] Detail Get the temperature data inside the projector. With some temperature sensors installed in the projector, it is possible to get all the temperature at once. Acceptable Response %1 %2 %3 Unacceptable “%1_%2_%3” [CR] %1＝Temperature of sensor 1 %2＝Temperature of sensor 2 %3＝Temperature of sensor 3 Temperature data is shown as “00.0”.
