there’s no direct way to do it exactly like that (sound lock style)- in theory you can plock the SRC for ‘each’ CV out for trigs on the CV track, so you could make the default SRC be an empty FX track e.g. and manually assign some trigs (to each cv destination) to be active (directed to CV track) on a trig by trig basis - sounds like a bit of a hassle as a workaround but might be alright for you (let us know if/how it works) - i don’t have enough destinations to bother trying
i think i previously asked hq if they could provide a ‘dummy’ ie zero source for this very purpose !
even then electing to use FX as a ‘empty’ source might not fly for all cv tasks, may be okay for gate (ie 0v = off) purposes though
e.g
each destination defaults to FX with no trigs
all trigs are active on CV track
so, as each destination can be manually edited, do the following for CV track trigs (if u have patience) …
CVA SRC : CV FX FX FX CV FX FX FX CV FX FX FX CV FX FX FX
CVB SRC : FX FX CV FX FX FX FX FX FX FX FX FX FX FX CV FX
CVC SRC : CV CV CV CV CV CV CV CV CV CV CV CV CV CV CV CV
CVD SRC : FX FX FX FX FX FX CV FX FX CV FX FX FX FX FX FX
clumsy at best, if it works and still uses two tracks (one as 0v only !)
might be easier to use ‘value lin’ on all cv outs and just plock the voltages
set a range 0 to 5v then plock levels to 0 for gate offs and 127 for gate ons for each destination, then only one track is required !