THORLABS ITC510 - Photo Diode Polarity (PDPOL); Reading the State of the Temperature Protection (TP)

3.6 ITC5xx specific commands
ITC500 / page 72
3.6.3 Photo diode polarity (PDPOL)
Programming:
Syntax: ":PDPOL CG"
":PDPOL AG"
Assumption: The laser diode output and the bias voltage is switched off.
Description: Selects the photo diode polarity. Sets the laser diode current, the
photo diode current and the optical power to default values.
Reading:
Syntax: ":PDPOL?"
Response: [:PDPOL AG]
[:PDPOL CG]
Description: Queries the polarity of the photo diode.
3.6.4 Reading the state of the temperature protection (TP)
Syntax: ":TP?"
Response: [:TP OFF]
[:TP ON]
Description: Queries the state of the temperature protection.