Sharp PN-T322B Service Manual - Page 49

Canceling Write-protect Of Edid By The Serial Command

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CHAPTER 6. FIRMWARE UPDATA PROCEDURES/EDID WRITING PROCEDURES ■ CANCELING WRITE-PROTECT OF EDID BY THE SERIAL COMMAND CAUTION n When you use the serial command in Windows Vista and Windows 7, because the Hyper terminal is not equipped with in this model, use other software corresponding to serial communication. n Connection method: Connect the serial port of PC with the RS-232C input pin of the monitor by using the straight cable. 1 ) Execute [START] - [Program] - [Accessory] - [Communication] [Hyper terminal]. The window below is displayed. Enter an optional name and press [OK]. 5 ) Select [Settings] tab and press [ASCII Setup...]. 2 ) The window below is displayed. Select the number of COM connected to the monitor and press [OK.] 6 ) Check "Send line ends with line feeds" and "Echo typed characters locally" and press [OK]. 3 ) The communication setting screen is displayed. Set as shown below. 4 ) Set the local echo. Select "Property" in the file menu. 7 ) Press [Enter] key once and check to confirm that "OK" is returned. If "OK" is returned, the connection is proper. 8 ) Send the EDWP command. Enter "EDPW1230" and press [Enter] key. If "OK" is returned, the EDID write-protect is canceled. PN-T321/T322B FIRMWARE UPDATA PROCEDURES/EDID WRITING PROCEDURES 6 - 5

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CHAPTER 6.
FIRMWARE UPDATA PROCEDURES/EDID WRITING PROCEDURES
PN-T321/T322B
FIRMWARE UPDATA PROCEDURES/EDID WRITING PROCEDURES
6 – 5
■
CANCELING WRITE-PROTECT OF EDID BY THE SERIAL COMMAND
CAUTION
n
When you use the serial command in Windows Vista and Windows 7, because the Hyper terminal is not equipped with in this model, use other
software corresponding to serial communication.
n
Connection method: Connect the serial port of PC with the RS-232C input pin of the monitor by using the straight cable.
1 )
Execute [START] - [Program] - [Accessory] - [Communication] -
[Hyper terminal].
The window below is displayed. Enter an optional name and press
[OK].
2 )
The window below is displayed. Select the number of COM con-
nected to the monitor and press [OK.]
3 )
The communication setting screen is displayed.
Set as shown below.
4 )
Set the local echo.
Select “Property” in the file menu.
5 )
Select [Settings] tab and press [ASCII Setup...].
6 )
Check “Send line ends with line feeds” and “Echo typed characters
locally” and press [OK].
7 )
Press [Enter] key once and check to confirm that “OK” is returned.
If “OK” is returned, the connection is proper.
8 )
Send the EDWP command.
Enter “EDPW1230” and press [Enter] key.
If “OK” is returned, the EDID write-protect is canceled.