Lake Shore Cryotronics 121, User Manual

Page: 40 / 62

30 CHAPTER 4: Computer Interface Operation
4.3.1 Interface Commands
This section lists the interface commands in alphabetical order.
Command Function Page

IDN? Identification Query page 31

RST Reset Instrument Command page 31
BRIGT Display Contrast Command page 31
BRIGT? Display Contrast Query page 31
COMP? Compliance Limit Query page 31
DFLT Factory Defaults Command page 32
IENBL Current Enable Command page 32
IENBL? Current Enable Query page 32
IPOL Polarity Command page 32
IPOL? Polarity Query page 32
LOCK Front Panel Keypad Lock Command page 33
LOCK? Front Panel Keypad Lock Query page 33
RANGE Output Range Command page 33
RANGE? Output Range Query page 34
SETI User Current Setting Command page 34
SETI? User Current Setting Query page 34
SETSAVE Power Up State page 34
TABLE 4-2 Command summary

Begins common interface command
? Required to identify queries
s[n]
String of alphanumeric characters with length “n.” Send these
strings using surrounding quotes. Quotes enable characters
such as commas and spaces to be used without the instrument
interpreting them as delimiters.
nn… String of number characters that may include a decimal point.
[term] Terminator characters
<…> Indicated a parameter field, many are command specific.
<state> Parameter field with only On/Off or Enable/Disable states.
<value>
Floating point values have varying resolution depending on the
type of command or query issued.
TABLE 4-3 Interface commands key