Lake Shore Cryotronics 121, User Manual

Page: 42 / 62

32 CHAPTER 4: Computer Interface Operation
DFLT Factory Defaults Command
Input
DFLT 99[term]
Remarks Sets all configuration values to factory defaults
and resets the instrument. The “99” is included to
prevent accidentally setting the unit to defaults.
IENBL Current Enable Command
Input
IENBL<state>[term]
Format n
<state>
0 = disabled, 1 = enabled
Remarks Allows for the current source output to be disabled
or enabled
IENBL? Current Enable Query
Input
IENBL?[term]
Format n (refer to command for description)
Returned <state>[term]
IPOL Polarity Command
Input
IPOL<state>[term]
Format n
<state>
0 = positive, 1 = negative
Remarks Allows for the polarity of the current to be
changed. This does not affect the polarity of the
user current setting.
IPOL? Polarity Query
Input
IPOL?[term]
Format n (refer to command for description)
Returned <state>[term]
Remarks Only valid for the fixed ranges, not the user current
setting.