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Data format specifications – Elmo HV-8000SX User Manual

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Data format specifications

(OFF)
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Function

Command

Parameter

Data

Gamma switch

GM

(1.0)
(0.9)
(0.8)
(0.7)
(0.6)
(0.5)
(0.4)
(0.3)

Command to switch the gamma set value of
the image.

Image rotation

RO

Command to rotate the image.

Status request

QS

Command to inquire the status of the
equipment.

ROM version

QR

Command to refer to the ROM version.

Response data
Selection1

SA

Command to select the presence of the
response to each operation command.
Default is ON.

Response data
Selection 2

SC

Command to add CR [0Dh] to the end of the
response data. Default is OFF.

Aperture
selection

White balance
selection

Contrast
selection

AP

AW

CT

(OFF)
(ON)

(OFF)
(ON)

(OFF)
(ON)

(OFF)
(ON)

(OFF)
(AUTO)
(ONE-PUSH)

Command to switch the modulation
(edge emphasis) of the image.

Command to switch the mode of the white
balance.

Command to switch the contrast settings.

Default

DF

Command to reset to the initialized mode.

Comments

Note:

"

" in the data column means that SPACE [20H] should be transmitted

twice.

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) .