Elmo HV-7000SX User Manual download pdf (Page 34)

Note: " " in the data column means that SPACE [20H] should be transmitted twice.

Function

Command

Parameter

Data

Comments

0 (VGA)

1 (SVGA)

2 (XGA)

3 (SXGA)

0 (OFF)

1 (90°)

2 (180°)

3 (270°)

Resolution

selection

Command to switch the resolution.

Image rotation

Command to rotate the image.

0 (OFF)

1 (ON)

0 (OFF)

1 (ON)

Default

Command to reset to the initialized mode.

Status request

Command to inquire the status of the equipment.

ROM version Command to refer to the ROM version.

Acknowledge

check

Command to select the command acknowledgement for each

operation command.

Add CR

command

Command to add CR [0Dh] to the end of the acknowledge data

Default is OFF.

0 (1.0)

1 (0.6)

Gamma

selection

Command to switch the gamma setting value of the image.

0 (OFF)

1 (ON)

Aparture

selection

Command to switch the sharpness (edge effect) of the image.

Data format specifications

This command is executed in the form of 1-command/1 packet. The next command is not accepted until the previous

processing is completed.

· The communication command always starts with STX (Start of Text), and ends with ETX (End of Text).

· If the communication format or command name is wrong, NAK (Negative Acknowledgement) will be sent from

the Presenter as a result of failing to receive correctly.

· When the communication format is correctly received, the Presenter sends ACK (Normal Acknowledgement).

Transmission Command (PC Visual Presenter)

Each operation command is executed in ASCII code, and transmitted in a set of 7 bytes as follows:

Command

(PC)

(

Visual Presenter

)

ACK

Data

Parameter

1 2 ... 29 30 31 32 33 34 35 36 37 38 39 40

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Elmo HV-7000SX User Manual Page 34

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