When using PN7405 series probes (manufactured by ETS-Lindgren), are there any precautions regarding the PN7405 antenna factor included as standard with EPS?

When using PN7405 series probes (manufactured by ETS-Lindgren), are there any precautions regarding the PN7405 antenna factor included as standard with EPS?

The antenna factor created by our company is a corrected value that subtracts 41dB for the preamplifier (00-00019A) in addition to the probe.
Therefore, if another preamplifier is used or no preamplifier is used, select through or edit and create a new factor.