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Section 4 Serial Controller

4.15

The system ID command @, followed by a CR and/or LF, is used to unlock the

Analyzer488 from an inappropriate command. When the @ command is received, the

serial port handshake line, Request To Send (RTS), is unasserted. It is asserted when

the Analyzer488 is capable of buffering commands. If XON/XOFF handshake is

selected, the software handshake state is not modified.

The @ character, referred to as the ID character, can be changed or disabled by

using the ID command. If it is anticipated that the ID character may be part of the

data within an OUTPUT or SEND command, it should be changed or disabled.

Issuing the @ command clears the serial input buffer (pending commands) and

the serial output buffer (pending data). It is equivalent to issuing the following

commands:

DISARM

ERROR OFF

ID;@

MASK OFF

TIME OUT 10

This command does not have a query option.

TYPE System Command

SYNTAX @

RESPONSE None

MODE Any

BUS STATES None

QUERY None

RESPONSE

EXAMPLES PRINT #1,"@"

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Measurement-computing Analyzer488 Manuale Utente Pagina 109