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IEEE-488 Reference

3-33

NOTE

See *OPC, *TRG and *WAI for more information.

Program fragment PRINT #1, "output 27; :syst:pres" ' Select defaults

PRINT #1, "output 27; :init:cont off; :abort" ' Place 6517A in idle

PRINT #1, "output 27; :arm:coun 1" ' Program for 5 measurements

and stop (idle)

PRINT #1, "output 27; :arm:lay2: coun 1"

PRINT #1, "output 27; :trig: coun 5; sour tim"

PRINT #1, "output 27; :init; *opc?" ' Start measurements and send

*opc?

PRINT #1, "enter 27" ' Get response when 6517A goes

into idle

LINE INPUT #2, a$ ' Read contents of Output Queue

PRINT a$ ' Display the ASCII "1"

3.11.7 *OPT? — option identiﬁcation query Determine which option s installed.

Description The response message provides the model number of the option installed in the option slot of

the Model 6517A. If there is no option installed, then a zero (0) will be returned.

3.11.8 *RCL — recall Return to a setup stored in memory.

Parameters <NRf> = 0 to 9 Specify memory location

This command is used to return the Model 6517A to a setup conﬁguration stored at a memory

location. The *SAV command is used to store a setup conﬁguration at a memory location (see

paragraph 3.11.10).

The Model 6517A is shipped from the factory with :SYSTem:PRESet defaults loaded into the

available setup memories. If a recall error occurs, the setup memories default to the :SYS-

Tem:PRESet values.

3.11.9 *RST — reset the Model 6517A

Description When the *RST command is sent, the Model 6517A performs the following operations:

1. Returns the Model 6517A to the *RST default conditions (see SCPI tables).

2. Cancels all pending commands.

3. Cancels response to any previously received *OPC and *OPC? commands.

3.11.10 *SAV — save the current setup in memory

Parameters <NRf> = 0 to 9 Specify memory location

The *SAV command is used to save the current instrument setup conﬁguration in memory for

later recall. Any control affected by *RST can be saved by the *SAV command. The *RCL com-

mand is used to restore the instrument to a saved setup conﬁguration.

Keithley 6517A User Manual

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