Sekonic SR-430 Especificaciones descargar pdf (Pagina 43)

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-7 DC4 Command (STX, ETX Setting Command)

[Explanation]

This command is for determining the ETX code following data output from the device and the recog-

nizing method of received data.

When the DC4 command is executed, the set value remains until the device is reset or the power is

turned off.

[Format]

DC4 S1 S2 S3 CR

(14H) (0DH)

The values of S1 determine the statuses of the ETX code, etc.

S1 = 0 : Initializes the device. (This value erases S1 = 7 data stored in the memory.)

Does not add the ETX (CR) code. (S2 and S3 are not necessary.)

S1 = 1 : Adds CR as the ETX (CR) code. (S2 and S3 are not necessary.)

S1 = 2 : Adds the code specified by S2 as the ETX code. (S3 is not necessary.)

S1 = 3 : Adds the STX code. This value adds the code specified by S2 as the STX code.

CR is added as ETX. (S3 is not necessary.)

S1 = 4: Adds the STX and ETX codes. This value adds the code specified by S2 as the ETX code

and the code specified by S3 as the STX code.

S1 = 5 : The device neglects the codes specified by S2 or S3 as data at the time of reception (S3

can be omitted.)

Codes which are used in commands are not neglected.

Codes up to 6 bytes can repeatedly be specified (2-byte codes only in the 307 compatible

mode) .

All settable character codes are shown on the next page. All other codes cause command

errors.

S1 = 6 : Not used.

S1 = 7: Stores the set STX and ETX codes. The set values remain even after the power is turned

on or the CAN command is executed. (S2 and S3 are not necessary.)

Note :

Only S1=0, 1, 2 and 5 are effective in the SR-307 mode.

9.Control Commands

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Sekonic SR-430 Especificaciones Pagina 43