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EXFO PM-1600 High-Speed Power Meter User Manual

Page 123

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Remote Control (SCPI) Commands

High-Speed Power Meter

113

General Commands

*LOK

Description This command is used to set the Remote Lockout programming

state, i.e., to lock and unlock the PM-1600 keypad. Once the

PM-1600 keypad is locked, no external input can interfere with

the GPIB communication. The only way to unlock the keypad is

to use the *LOK command again or turn off the unit.

Syntax

*LOK

Parameters The parameter can be “1” to set the Remote

programming state to Remote Lockout or “0” to set the Remote

programming state to Remote.

*OPC

Description This command will cause the PM-1600 to generate the

“Operation complete” message in the Standard Event Status

Register (ESR) when all pending selected PM-1600 operations

have been completed.

Syntax

*OPC

Example

*OPC;*IDN?

*OPC?

Description This query puts an ASCII 1 in the output queue when the

content of the input queue has been processed. This query is

useful to prevent another command from being processed until

the current command is complete.

Syntax

*OPC?

Response

“1”

Remote Control (SCPI) Commands

High-Speed Power Meter

113

General Commands

*LOK

Description This command is used to set the Remote Lockout programming

state, i.e., to lock and unlock the PM-1600 keypad. Once the

PM-1600 keypad is locked, no external input can interfere with

the GPIB communication. The only way to unlock the keypad is

to use the *LOK command again or turn off the unit.

Syntax

*LOK

Parameters The parameter can be “1” to set the Remote

programming state to Remote Lockout or “0” to set the Remote

programming state to Remote.

*OPC

Description This command will cause the PM-1600 to generate the

“Operation complete” message in the Standard Event Status

Register (ESR) when all pending selected PM-1600 operations

have been completed.

Syntax

*OPC

Example

*OPC;*IDN?

*OPC?

Description This query puts an ASCII 1 in the output queue when the

content of the input queue has been processed. This query is

useful to prevent another command from being processed until

the current command is complete.

Syntax

*OPC?

Response

“1”