The term PAL is often used informally to refer to a 625-line/50 Hz -LRB- NUMBER@1 -RRB- , television system , and to differentiate from a 525-line/60 Hz -LRB- NUMBER@2 -RRB- ORGANIZATION@1 system .

The term PAL is often used informally to refer to a 625-line/50 Hz -LRB- NUMBER@1 , principally MISC@1 -RRB- television system , and to tell it apart from a 525-line/60 Hz -LRB- NUMBER@2 , principally MISC@2 -RRB- ORGANIZATION@1 system .
