Sony FW-75EZ20L Guía De Referencia página 10

Control functions
RS-232C
You can control the LCD Monitor from an external service via RS-232C. The RS-232C connection is
briefly explained in this page.
Interface
Establish the RS-232C connection to the LCD Monitor by using a 3.5 mm stereo mini plug.
3.5 mm Stereo mini plug
TIP
RING
SLEEVE
Connection settings
When establishing the RS-232C connection, make connection settings as below.
Baud rate
Data
Parity
Start bit
Stop bit
Flow control
Data format
We introduce the data format for the RS-232C communication below.
(a) Requests from the controller to the LCD Monitor
No. Item
1 Header
2 Category
3 Function
4 Length
5 Data 1
: :
: :
X+4 Data X
X+5 Check Sum
10
EN
TXD
RXD GND
TIP: LCD Monitor t Controller
1 2 3 4 5
RING: Controller t LCD Monitor
6 7 8 9
9600 bps
8 bit
None
1 bit
1 bit
None
Value
0x8C
0x00
0xXX
0xXX
0xXX
0xXX
0xXX
0xXX
0xXX
: Control
(fixed)
(=Data X+1 byte)