Canon LV S3 - SVGA LCD Projector Manuel utilisateur

0.5” SVGA LV-S3

SERIAL FUNCTIONAL SPECIFICATION

Page 1/21

-CONTENT-

1. Overview

2. Interface Specification

3. Connection

4. Notes for Communication

5. Functional Execute Command Table

6. Status Read Command Table

7. Functional Execution Command Table

7.1 Format

7.2 When the command pipelining is needed

7.3 Transfer Example

7.4 Operation Requirements

7.5 Power ON Command

7.6 Power OFF Command (Quick POWER OFF)

7.7 Power OFF Command

7.8 Computer Command

7.9 Video Command

7.10 Volume + Command

7.11 Volume – Command

7.12 Audio Mute ON Command

7.13 Audio Mute OFF Command

7.14 Video Mute ON Command

7.15 Video Mute OFF Command

7.16 Screen Normal Size Command

7.17 Screen Wide Size Command

7.18 Image Standard Command

7.19 Image High contrast Command

7.20 Image Cinema Command

7.21 Image Custom Command

7.22 Menu ON Command

7.23 Menu OFF Command

7.24 Display Clear Command

7.25 Brightness + Command

7.26 Brightness – Command

7.27 Image (Toggle) Command

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7.28 Power Management Ready Command

7.29 Power Management OFF Command

7.30 Power Management Shut Down Command

7.31 D.Zoom + Command

7.32 D.Zoom - Command

7.33 Video Auto Command

7.34 Video Video Command

7.35 Video S-Video Command

7.36 Pointer Right Command

7.37 Pointer Left Command

7.38 Pointer Up Command

7.39 Pointer Down Command

7.40 Enter Command

7.41 Freeze ON Command

7.42 Freeze OFF Command

7.43 Computer Analog RGB Command

7.44 Computer Scart Command

7.45 Computer Component Command

7.46 Page Up Command

7.47 Page Down Command

7.48 Auto PC Adj. Command

7.49 Presentation Timer Command

7.50 Keystone Up Command

7.51 Keystone Down Command

8. State Read Command

8.1 Format

8.2 Transfer Example

8.3 Status Read Command

8.4 Input Mode Read Command

8.5 Lamp Time Read Command

8.6 Setting Read Command

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1. Overview

1.1 This Specification defines projector control commands for LV-S3 (0.5”SVGAmodel).

1.2 The projector control commands are for controlling projector through RS232C from a computer.

2. Interface Specification

Specification

Shynchro system Asynchronous

Transmission Speed 9600 / 19200

Data Length 8 bit

Parity None

Stop Bit 1

Flow Control None

1. Transfer rate: initial setting value is 19200

2. Transfer rate can be changed by service mode

3. Connection

The serial cable that is specified in the specification as below must be used for a connection to

a computer and a projector.

PC Projector

COM No. 1 Control Port

RXD

TXD

DTR

DSR

RTS

CTS

RING

（D-Sub 9 Pin）（Mini-DIN 8 Pin）

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4. Notes for Communication

4.1 The projector command is defined one command/one line that starts “C” and ends carriage

return (0x0D).

4.2 The projector starts decoding after the carriage return.

4.3 There are two types of command, functional execution commands and state read commands.

Example of Functional Execution Command: “C05” [CR]

Example of State Read Command: “CR0” [CR]

4.4 It clears information of accepting buffer as following terms.

4.4.1 When a projector receives LF（0xoA）or EOF（0x1A）

4.4.2 When it takes more than one second to receive on e command.

(Until the projector receives the carriage return after the projector receives the first

data.)

4.5 When control command pipelining, after the response, wait interval of time as below.

1.COMMAND such as ”VOLUME +/-“Æ100ms

2.Other COMMANDÆ500ms

4.6 Wait at least 500 ms after the response, when status read command pipelining.

4.7 Do not issue any command before the Response.

When there is no response after 5 seconds, issue next command.

4.8 It takes about 7 seconds for internal initialization after plugging in AC. During this time, it

cannot process command. Do not issue any commands.

4.9 7 seconds after StandBy or Power ON, even when a projector receives a command, a computer

receives acceptable response, but it does not execute for internal initialization and lamp

lighting process. However, Status Read Commands are executed after 500ms when they

receive acceptable response.

4.10 About performance during processing count down or cooling down.

When a projector receives After Stand By or Power ON, Even when a projector receives a

command, a computer receives response to accept the command, but it does not execute

for internal initialization and lamp lighting process. However, Status Read Commands

are executed.

4.11 About performance when changing INPUT.

After receiving INPUT switching command, when receiving commands between 5

seconds from starting the switching to completing the switching, a computer receives

acceptable command, but it is not executed.

However, status read commands are executed after a computer receives response to

accept the command, after 500ms.

Response for Status Read Command after accepting has different characters. See ”Status Read

Command Table”.

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4.12 Characters for commands must be Capital (A - Z).

5. Functional Execution Command Table

Command Item Command Item

C00 Power ON C2A Power Management Ready

C01 Power OFF Quick Power OFF）C2B Power Management OFF

C02 Power OFF C2E Power Management Shut down

C05 Computer C30 D.Zoom +

C07 Video C31 D.Zoom -

C09 Volume + C32 Video Auto

C0A Volume - C33 Video Video

C0B Audio Mute ON C34 Video S-Video

C0C Audio Mute OFF C3A Pointer Right

C0D Video Mute ON C3B Pointer Left

C0E Video Mute OFF C3C Pointer Up

C0F Screen Normal size（4:3）C3D Pointer Down

C10 Screen Wide size（16:9）C3F Enter

C11 Image Standard C43 Freeze ON

C12 Image High contrast C44 Freeze OFF

C13 Image Cinema C50 Computer Analog RGB

C14 Image Custom C51 Computer Scart

C1C Menu ON C54 Computer Component

C1D Menu OFF C59 Page Up

C1E Display Clear C5A Page Down

C20 Brightness + C89 Auto PC Adj.

C21 Brightness - C8A Presentation Timer

C27 Image （Toggle）C8E Keystone Up

C8F Keystone Down

6. Status Read Command Table

Command Function

CR0 Status Read

CR1 Input Mode Read

CR3 Lamp Time Read

CR4 Setting Read

CR6 Temp Read

Page 6/21

7. Functional Execution Command Table

7.1 Format

1. PC issues a command as below form at

“C” [CR]

COMMAND

Command: 2 characters (See Functional Execution Command Table)

2. A projector decodes received data and sends a return result after being ready to receive

next command.

[ACK] [CR]:（0x06,0x0D）When received functional execution commands.

“?” [CR]: When cannot read received data

7.2 When the command pipelining is needed

When some functions need command pipelining , the performance is the same as the remote

control’s performance.

1. System: issue any commands every 100ms after receiving response

2. When receiving the same command continuously with 120ms, the function is executed

for 120ms from that moment.

3. When receiving the same command continuously, with 120ms, the function is executed

for 120ms form the moment.

4. The next command is not issued after 120ms, and the execution is stopped.

5. If the projector receives other incoming commands within 120ms, the execution is

stopped.

7.3 Transfer Example

Change to Video mode with Basic Command

Command

PC ÆProjector “C” ”0” ”7” CR

Projector ÆPC ACK CR

Processing

(A few ms--1s)

Page 7/21

7.4 Operation Requirements

When the projector’s status in this below, functional execution commands are limited.

Status Read Commands are available even in this table status.

Projector Status Available Functional Execution Commands

StandBy Mode C00: Power ON

Processing Countdown C00: Power ON

(Terminate Countdown)

Processing Cooling Down N/A

Processing Cooling Down due to abnormal

temperature. N/A

Abnormal Temperature Status N/A

Processing Mode Change N/A

Processing Power Save/Cooling Down N/A

Processing Power Save C00: Power ON

C01: Power OFF

Note) When the status is above, even if the projector receives other command in the above

status, the projector returns [ACK] [CR].

7.5 Power ON Command

Command “C00” [CR]

Detail

Power ON

When already Power ON, no need to do.

When sending this command during processing Count Down, Count Down is

terminated.

Acceptable [ACK] [CR]

Response Unacceptable “?” [CR]

7.6 Power OFF Command（Quick Power OFF）

Command “C01” [CR]

Detail

Power OFF (Stand By)

When Power OFF with ON-OFF button of the projector or the remote control,

“Power OFF” will be displayed. However, as soon as this command is sent,

Quick Power OFF is executed.

Acceptable [ACK] [CR]

Response Unacceptable “?” [CR]

7.7 Power OFF Command

Command “C02” [CR]

Detail

Power OFF (Stand By)

When Power OFF with ON-OFF button of the projector or the remote control,

“Power OFF” will be displayed. However, as soon as this command is sent,

Power OFF is executed.

Acceptable [ACK] [CR]

Response Unacceptable “?” [CR]

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7.8 Computer Command

Command “C05” [CR]

Detail Select Computer input

Acceptable [ACK] [CR]

Response Unacceptable “?” [CR]

7.9 Video Command

Command “C07” [CR]

Detail Select Video input.

Acceptable [ACK] [CR]

Response Unacceptable “?” [CR]

7.10 Volume+ Command

Command “C09” [CR]

Detail Volume Up

This Command works same as “VOLUME +” of the projector and the remote

control.

Acceptable [ACK] [CR]

Response Unacceptable “?” [CR]

7.11 Volume- Command

Command “C0A” [CR]

Detail Volume Down

This Command works same as “VOLUME +” of the projector and the remote

control。

Acceptable [ACK] [CR]

Response Unacceptable “?” [CR]

7.12 Audio Mute ON Command

Command “C0B” [CR]

Detail Sound Mute ON

This command works same as “MUTE” of the projector and the remote control,

but this command does not work for MUTE OFF.

Acceptable [ACK] [CR]

Response Unacceptable “?” [CR]

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7.13 Audio Mute OFF Command

Command “C0C” [CR]

Detail Sound Mute OFF

This command works the same as “MUTE” of the Remote Control button for

MUTE OFF, but does not work for “MUTE ON”

Acceptable [ACK] [CR]

Response Unacceptable “?” [CR]

7.14 Video Mute ON Command

Command “C0D” [CR]

Detail VIDEO MTUE ON

This command works same as “NO SHOW” of the remote control, but does not

work for “NO SHOW

Acceptable [ACK] [CR]

Response Unacceptable “?” [CR]

7.15 Video Mute OFF Command

Command “C0E” [CR]

Detail VIDEO MUTE OFF

This command works the same as “NO SHOW” of remote control button for

VIDEO MUT OFF, but does not work for No Show ON”.

Acceptable [ACK] [CR]

Response Unacceptable “?” [CR]

7.16 Screen Normal size Command

Command “C0F” [CR]

Detail Set video screen size to Regular (4:3)

Acceptable [ACK] [CR]

Response Unacceptable “?” [CR]

7.17 Screen Wide size Command

Command “C10” [CR]

Detail Set video screen size to Wide (16:9).

Acceptable [ACK] [CR]

Response Unacceptable “?” [CR]

7.18 Image Standard Command

Command “C11” [CR]

Detail Set Image to Standard Mode.

Acceptable [ACK] [CR]

Response Unacceptable “?” [CR]

Page 10/21

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