NEC SC40 User Manual download pdf (Page 42)

English-36

Using the LCD with RS-232C - continued

e following control sequence is used for a single MultiSync SC display.

When using the following control commands, all of the daisy-chained monitors

can be controlled at the same time from the primary monitor. However, reply and

status commands will only pertain to the primary monitor, and not to the secondary

monitors.

1) Interface

PROTOCOL RS-232C

BAUD RATE

9600

[bps]

DATA LENGTH

8 [bits]

PARITY BIT NONE

STOP BIT

1 [bit]

FLOW CONTROL NONE

2) Control command diagram

e command is structured by the address code, function code, data code and end

code. e length of the command is dierent for each function.

Address Code Function Code Data Code End Code

HEX 30h 30h Function Data 0Dh

ASCII

'0' '0' Function Data

[Address code] 30h 30h (In ASCII code, '0' '0') xed.

[Function code] A code of each xed control move.

[Data code] A code of each xed control data (number) and

not always indicated.

[End code] 0Dh (In ASCII code,

' ' ) xed.

To control multiple MultiSync SC monitors

that are daisy-chained together please use the

extended control command. Instructions for the

extended control command can be found on the

CD included with the display. e le is called

“External_control_M4X.pdf”.

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NEC SC40 User Manual Page 42