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Instruções de Operação Canon, Modelo LV-7575

Fabricante : Canon
Arquivo Tamanho: 239.38 kb
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Língua de Ensino: en

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Projetores - LV-7575 (599.01 kb)en

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Command..................................................................................20 6.59 PRESENTATION TIMER Command...................................................................20 6.60 KEYSTONE t Command.................................................................................20 6.61 KEYSTONE I Command.................................................................................20 6.62 KEYSTONE ^ Command.................................................................................20 6.63 KEYSTONE ^ Command.................................................................................21 7 Status Read Command..............................................................................................22 7.1 Format.................................................................................................................22 7.2 Transfer Example................................................................................................22 7.3 Status Read Command......................................................................................22 7.4 Input Mode Read Command..............................................................................25 7.5 Lamp Time Read Command..............................................................................25 7.6 Setting Read Command.....................................................................................25 7.7 Temp Read Command........................................................................................25 3/26 LV-7575 Basic Serial Command Functional Specifications 7.8 Lamp Mode Read Command.............................................................................26 4/26 LV-7575 Basic Serial Command Functional Specifications 1. Overview • These specifications define projector control commands for LV-7575. • The projector control commands are used to control a projector through RS-232C from a computer. 2. Serial Interface Specification 2.1. Transfer Specification Item Specification Synchronous system Asynchronous Transmission Speed 9600/19200 Data Length 8 bits Parity None Stop Bit 1 Flow Control None ® Transmission speed: initial setting value is 19200. ® Transmission speed can be changed in service mode. 2.2. Connection Dedicated serial cable that comes with the projector must be used for the connection between computer and projector. PC COM 1 Projector Control Port (D-Sub 9 Pin) (Mini 8 Pin) 5/26 LV-7575 Basic Serial Command Functional Specifications 3. Notes for Communication • The projector command is defined as one command per line that starts with “C” and ends with carriage return (0x0D). • When carriage return (0x0D) is received, decoding starts. • There are two types of commands; Functional Execution Commands which function in a way comparable to remote and console keys and Status Read Commands which get basic statuses of projector. Example of Functional Execution Command: “C05” [CR] Example of Status Read Command: “CR0” [CR] • In the cases below, it clears information of receive buffer. 1) When LF (0x0A) and EOF (0x1A) are received 2) When it takes more than a second to receive one command (until the projector receives carriage return since it has received the first data) • or the pipelining of Functional Execution Command, allow the following interval time after receiving return value. 1) Commands “VOLUME +/-“, “ZOOM UP/DOWN”, “FOCUS UP/DOWN” and “LENS-SHIFT UP/DOWN/RIGHT” --> 100ms 2) Other commands -- > 500ms • For the pipelining of Status Read Command, allow more than 500 ms of interval time after reception of return value. • Do not send any subsequent command before reception of return value; however this is not the case when no response is returned after more than 5 seconds. • It takes about 7 seconds for internal initialization after plugging in AC power. During this time, it cannot process commands. Do not issue any command. • During 7 seconds after powering on in Standby mode, when the command for internal initialization or lamp lighting is received, ACK value is returned but the function is not executed. However, for Status Read Command, the function is executed in 500 ms after receiving ACK value for POWER ON command. • During countdown and cooling operations: During countdown operation after execution of power-on, as well as during cooling operation after execution of power-off, ACK value is returned but the function is not executed when command is received. • On switching INPUT: During 5 seconds after switching action has started in response to reception of INPUT switching command, ACK value is returned but the function is not executed when command is received. However, for Status Read Command, the function is executed in 500 ms after receiving ACK value for INPUT switching command. • The number of characters indicating successful reception of command varies according to the command. Please see [7. Status Read Comman...

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