56
3 Remote Operation
3.4.8 Status Commands
(continued)
Chopper Condition
CHCR? [
i
]
Query the Chopper Condition Register bit [
i
].
»
CHCR? 0
Example:
1
Chopper Condition Positive Transition
CHPT? [
i,
] {
j
}
Set (query) the Chopper Condition Positive Transition register [bit i] {to
j}.
»
CHPT 8
Example:
Chopper Condition Negative Transition
CHNT? [
i,
] {
j
}
Set (query) the Chopper Condition Negative Transition register [bit i]
{to j}.
»
CHNT 2, 1
Example:
Chopper Event
CHEV? [
i
]
Query the Chopper Event Register [bit i].
Upon executing a
CHEV?
query, the returned bit(s) of the CHEV register
are cleared.
»
CHEV?
Example:
5
»
CHEV?
0
Chopper Event Enable
CHEN(?) [
i,
] {
j
}
Set (query) the Chopper Event Status Enable Register [bit i] {to j}.
»
CHEN 3, 1
Example:
SR542 Precision Optical Chopper