Official comment
@Kim > The XDJ-RX is an archived product, so does not appear under the current products list. You can download the firmware here.
If you don't have any other memory point (either memory or hot cue) at the start of your track, and that active loop is the first one stored, with the track load settings set to "MEMORY," it will cue from that point. My recommendation would be to either change the track load to the decibel value, or to set a hot cue / memory point at the first beat you would normally use to cue.