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Models 2500 and 2502 User’s Manual Remote Operations 13-11

These brackets indicate that :IMMediate is implied (optional) and does not have to be

used. Thus, the above command can be sent in one of two ways:

:INITiate

:INITiate:IMMediate

Notice that the optional command is used without the brackets. When using optional com-

mand words in your program, do not include the brackets.

Parameter types — The following are some of the more common parameter types:

<b> Boolean — Used to enable or disable an instrument operation. 0 or OFF

disables the operation, and 1 or ON enables the operation. Example:

:CALCulate1:STATe ON Enable Calc 1 math

<name> Name parameter

— Select a parameter name from a listed group.

Example:

<name> = NEVer

= NEXt

:TRACe:FEED:CONTrol NEXt

<NRf> Numeric representation format — This parameter is a number that can

be expressed as an integer (e.g., 8), a real number (e.g., 23.6), or an ex-

ponent (2.3E6). Example:

:SYSTem:KEY 11 Press EXIT key from over the bus

<n> Numeric value — A numeric value parameter can consist of an NRf

number or one of the following name parameters: DEFault, MINimum,

MAXimum. When the DEFault parameter is used, the instrument is pro-

grammed to the *RST default value. When the MINimum parameter is

used, the instrument is programmed to the lowest allowable value. When

the MAXimum parameter is used, the instrument is programmed to the

largest allowable value. Examples:

:ARM:TIMer 0.1 Sets timer to 100 msec.

:ARM:TIMer DEFault Sets timer to 0.1 sec.

:ARM:TIMer MINimum Sets timer to 1 msec.

:ARM:TIMer MAXimum Sets timer to 99999.99 sec.

<numlist> Numlist — Specify one or more numbers for a list. Example:

:STATus:QUEue:ENABle (-110:-222) Enable errors -110

through -222

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Keithley 2500 User Manual

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