I believe this is a common condition with the asi air. The solution is to load the “a” version of the firmware into the pmc8. That version tracks continuously without being continuously pinged. The other version stops when it thinks it is disconnected. Asi air does not keep that version alive but the “a” version works well.
Wes, Southport NC
EXos2-GT PMC-8, iExos 100
ES ED 127, 10" LX200GPS+wedge, Astro-Tech 8" Newt, ETX-90, 60mm no-name guide scope ~ 260mm FL
Polemaster, Orion ST-80 and SAG, ZWO 290MM, D5300 astro modified
Nina, Bootcamped Mac Mini control computer, RDP to iMAC
110 amp hour lead acid deep discharge battery for field power
Electrical Engineer, Retired