Grove - PIR Motion Sensor (SKU: SEN32357P) solder

Hello: I need to solder R2 and R6 but I don’t understand “If R2 and R6 are soldered, please make sure R13 and R14 are empty”. What this means?

how do I empty R13 and R14?
Have you an example?
many thanks

Sorry for delayed reply.

This information is available in the product FAQ link.