Elmo EV-2000AF Instruction Manual download pdf (Page 23)

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) [02H], and ends with ETX (End of Text)

[03H].

· If the communication format or command name is wrong, NAK (Negative Acknowledgement) [15H] 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)

[06H].

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

[02H] [03H]

[06H]

Response data format (Visual Presenter PC)

· Status request format (Parameter 0)

Nega

/Posi

Color

/B&W

30H

Electronic

image

enlargement

Local

Lock out

(Visual Presenter)

30H

Lighting

selection

30H

[02H]

56H 46H 42H

VFB

(Visual Presenter)

[02H] [03H]

· ROM version

1 2 ... 18 19 20 21 22 23 24 25 26 27 28

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Elmo EV-2000AF Instruction Manual Page 23

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