Field help (PPCCURCNV) 

Indicator used to decide whether or not an automatic conversion of the price list will take place in the document currency.
This indicator can take the following values:

No

If the entry currency of the document is different from that of the price list line, the latter is not taken into account,

Yes

If the entry currency of the document is different from that of the price list line, the amounts for this price list line are automatically converted into the document currency at the rate which is applicable on the document date.