User`s manual

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4-2.Extended command
Note: This command set supports multi monitor control by daisy chained connection. This command
set will NOT be written in the user’s manual of MDT652S.
The command packet consists of four parts, Header, Message, Check code and Delimiter.
Sequence of a typical procedure to control a monitor is as follows,
[A controller and a monitor, two-way communication composition figure]
Header Message Check Code Delimiter
Monitor Controller
H
eader
Messa
g
e
Check Code Delimiter
H
eader
Message
Check Code
D
elimiter
Get Parameter
Get Parameter Reply
H
eader
Messa
g
e
Check Code Delimiter
Set Parameter
H
eader
Message
Check Code
D
elimiter
Set Parameter Reply
H
eader
Messa
g
e
Check Code Delimiter
H
eader
Message
Check Code
D
elimiter
Get Parameter Reply
Save Current Setting Comman
d
Get Parameter
H
eader
Messa
g
e
Check Code Delimiter
The controller sends a command to
get a value from the monitor that
you want to change.
The monitor replies with the
current value of the requested
item.
The controller sends commands to
set an adjusted value.
The monitor replies to the
controller for confirmation.
The controller sends a command to
get a value for confirmation.
The monitor replies with an
adjusted value.
The controller requests to store
the adjusted value to the monitor.