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App-17
IM AQ6370C-17EN
AQ6317-Compatible GP-IB Commands
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App
Index
HIGH1, HIGH2, HIGH3 of Measurement Sensitivity
For the AQ6370C, AQ6370D, AQ6373 or AQ6373B
Even when the measurement sensitivity of the instrument is set to HIGH1 or HIGH2 or
HIGH3, the chopper cannot operate unless the CHOP MODE setting of the SENS/MODE
key is set to SWITCH. However, with AQ6317 series instruments, if the measurement
sensitivity is set to HIGH1, HIGH2, or HIGH3, a chopper that removes monochrometer
stray light is activated. The instrument includes the following AQ6317-compatible mode
commands that allow you to edit the settings of the chopper operation.
AQ6317 command to use to set the chopper operation
Control command
CHOP*
*: 0 = Chopper OFF, 2 = SWITCH mode
Query command
CHOP?
A return value: Same as the above
For the AQ6375 or AQ6375B
When the measurement sensitivity is set to HIGH1, HIGH2, or HIGH3, a chopper that
removes monochrometer stray light is activated.