Opticon H19А - Manual (Page 179)

19
. In Baud rate, select 57600.
. Tap to save your setting.
GPS positioning is limited by weather
and usage location (e.g. tall buildings,
tunnels, underpasses, tress, bridges…
etc). Most GPS do not work indoors,
nor can GPS signals penetrate
buildings, car sun shades and heat
reflective film with metallic content.