Elmo Visual Presenter HV-5100XG User Manual
Page 38
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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 this product as a result of failing to receive correctly.
• When the communication format is correctly received, this product 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:
■ Response data format (Visual Presenter → PC)
All response data is transmitted as ASCII code, and it coverds parameter of the table of
operation command.
• Status 0
• Status 2
S
T
X
E
T
X
Command
(PC)
(Visual Presenter)
→ ACK
Data
Parameter
S
T
X
P
osi
/
N
ega
C
olor
/ B&W
P
ointer
display
E
lectronic
enlargement
L
ocal
lock
o ut
E
T
X
RGB
output
selection
L
ighting
selection
P
ause
γ
adjustment
32H
Video
output
selection
S
T
X
Image
rotation
Aperture White
balance
Contrast
30H
(Normal)
31H
(Adjustment)
E
T
X