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1
Executing
Commands
From the front panel, you can type and execute IEEE 488.2 Common
Commands and SCPI Commands for the instrument presently selected by the
Select an instrument menu. (However, you cannot execute a command when the
display is requesting that you input information.) This is particularly useful for
accessing functions not available in an instrument’s menu. For example, the
System Instrument contains a Pacer that can be programmed to output a square
wave signal on the mainframe’s Pacer Out port. From the System Instrument
menu, you can program the Pacer to output 10 square wave cycles with a period
of 1 second each by typing the following commands and pressing Return after
each command (see Chapter 3 for more information on the Pacer).
SOUR:PULS:COUN 10
SOUR:PULS:PER 1
INIT:IMM
TRIG:SOUR IMM
As another example, after selecting the Switchbox, suppose you must set up and
execute a scan list with automatic advance (automatic advance is not available
from the menu). You can do this by typing the following command string and
pressing Return (notice that by linking the commands together with a semicolon
and colon you need press Return only once).
TRIG:SOUR IMM;:SCAN (@100:105);:INIT
Editing The display editing keys (shown on the following page) allow you to edit
user-entered data or commands. When editing, the display is in insert mode.
That is, typed characters will be inserted into the string at the present cursor
position.
Using the Front Panel 2-9