Set Auto Gain And Auto Phase; Figure 16: Auto Gain And Phase Buttons - Oriel LIDA-SRS-KIT User Manual

6.3 SET AUTO GAIN AND AUTO PHASE

Slowly expose the covered detector and chopper head to room lighting taking care not to overload
the SR810. You will see an overload indicator (OVLD) next to the digital LED display. Press the
AUTOGAIN and AUTOPHASE buttons on the front panel of the SR810. The output LED display
indicator will show the RMS current detected by the unamplified detector. If the OVLD indicator is
on after AUTOGAIN was used, the signal input is too large, and you must decrease the optical
signal on the detector. Please refer to the SR810 User's Manual for warnings and further details.

Figure 16: Auto Gain and Phase Buttons

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