MenuForum NavigationForumActivityLoginRegisterForum breadcrumbs - You are here:Support ForumsGeoAstra RTK GNSS Receivers: GeoAstra A2 RTK/PPP GNSS Android DeviceHow to open A2 Pen function?Please Login or Register to create posts and topics.How to open A2 Pen function?GeoAstra Official@jack34 Posts#1 · April 29, 2026, 1:54 pmQuote from GeoAstra Official on April 29, 2026, 1:54 pm Post Reply: How to open A2 Pen function? Cancel