OSCAL

Some PICMICROŠ chips have an internal oscillator which can be enabled and thus eliminate external clock components.

You should make sure that this value is not erased or reprogrammed with another value or the oscillator calibration value will not be correct when the chip is operating in the internal oscillator mode. It may be wise to record the value if in doubt.

This button will become active if the selected chip has this option available.

After pressing it, you will be able to edit the OSCAL calibration value in the data list.

See Cal Program Options