88
6.2.4PermanentlogicallevelsHIandLO
Settheblockinputtological hi (hi=high)tosetitpermanentlytological'1'or'H'state.
Settheblockinputtological lo (lo=low)tosetitpermanentlytological'0'or'L'state.
6.2.5PanelKey
ItisthesymboloftheFunctionkeyonthepanel(F1—F4).Ifoneofthefunctionkeysispresseddown,
thestatusofthecorrespondingsymbolintheprogramshallturnfrom0to1.Anditshallgiveoffonehigh
trigger.
Notes:1.Onlyonefunctionkeyisallowedtobepresseddown atanyonetime,ifyoupressdowntwoor
moreatthesametime,xLogicdoesnotprocess.
2.Ifthearrowkeys(UP,DOWN,LEFTandRIGHT),EscandOKhadbeenappliedtotheprogram,
thentheywouldbeinvalidformenuoperation(e.g.manualprogramming,parametersmodificationand
viewalarmingmessageetc).