Model 2750 Multimeter/Switch System User’s Manual Common Commands 12-5
NOTE The following commands take a long time to process and may benefit from
using *OPC or *OPC?:
• *RST and SYST:PRES
• *RCL and *SAV
• ROUT:MULT:CLOS and ROUT:MULT:OPEN – Only if the <clist> is long.
• CALC2:IMM and CALC2:IMM?– Only when performing the standard
deviation calculation on a large buffer. A 10,000 point buffer takes around
5.75 seconds.
D *OPT? — option query Query installed switching modules
Use this query command to determine which switching modules are installed in the
Model 2750. For example, if a Model 7703 is installed in slot 1, and the other slots are
empty, the response message will look like this:
7703, NONE, NONE, NONE, NONE
Note that the model number of an installed pseudocard is returned in the same manner. See
Section 2 for details on pseudocards.
E *SAV <NRf> — save Save present setup in memory
*RCL <NRf> — recall Return to setup stored in memory
Parameters 0 = Memory location 0
1 = Memory location 1
2 = Memory location 2
Use the *SAV command to save the present instrument setup configuration in memory for
later recall. Any control affected by *RST can be saved by the *SAV command. The *RCL
command is used to restore the instrument to the saved setup configuration. Three setup
configurations can be saved and recalled. A saved setup is approximately 4k bytes in size.
Model 2750 ships from the factory with SYSTem:PRESet defaults loaded into the avail-
able setup memory. If a recall error occurs, the setup memory defaults to the
SYSTem:PRESet values.
NOTE For RS-232 operation, *OPC or *OPC? should be used with *SAV and *RCL,
which are slow responding commands. Details on *OPC and *OPC? are pro-
vided in Section 12.
Programming example:
*SAV 2 ' Save present setup in memory location 2.
*RST ' Return 2750 to RST defaults.
*RCL 2 ' Return (recall) 2750 to setup stored in memo location 2.
F *RST — reset Return Model 2750 to RST defaults
When the *RST command is sent, Model 2750 performs the following operations:
1. Returns Model 2750 to the RST default conditions (see “Default” column of SCPI
tables).
2750-900-01.book Page 5 Wednesday, August 3, 2011 7:56 AM
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