No, the power switch turns off all power. See my post about the warm up characteristics of the FA2 OCXO:
http://lists.febo.com/pipermail/time-nuts_lists.febo.com/2019-October/097803.html --------------- >First, does the internal OCXO run when the power is turned off? _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.