# System variable with O letter [GstarCAD 2020](Help%20System/GSTARCAD/2020/Index.md) → [System Variables](Help%20System/GSTARCAD/2020/System%20Variables/(System%20Variables).md) → [O](Help%20System/GSTARCAD/2020/System%20Variables/O/(O).md) - [OBJECTISOLATIONMODE](Help%20System/GSTARCAD/2020/System%20Variables/O/OBJECTISOLATIONMODE%20System%20Variable.md "OBJECTISOLATIONMODE") - [OBSCUREDCOLOR](Help%20System/GSTARCAD/2020/System%20Variables/O/OBSCUREDCOLOR%20System%20Variable.md "OBSCUREDCOLOR") - [OBSCUREDLTYPE](Help%20System/GSTARCAD/2020/System%20Variables/O/OBSCUREDLTYPE%20System%20Variable.md "OBSCUREDLTYPE") - [OSDISTANCE](Help%20System/GSTARCAD/2020/System%20Variables/O/OSDISTANCE%20System%20Variable.md "OBSCUREDLTYPE") - [OSDIVIDE](Help%20System/GSTARCAD/2020/System%20Variables/O/OSDIVIDE%20System%20Variable.md "OBSCUREDLTYPE") - [OFFSETDIST](Help%20System/GSTARCAD/2020/System%20Variables/O/OFFSETDIST%20System%20Variable.md "OFFSETDIST") - [OFFSETGAPTYPE](Help%20System/GSTARCAD/2020/System%20Variables/O/OFFSETGAPTYPE%20System%20Variable.md "OFFSETGAPTYPE") - [OLEFRAME](Help%20System/GSTARCAD/2020/System%20Variables/O/OLEFRAME%20System%20Variable.md "OLEFRAME") - [OLEHIDE](Help%20System/GSTARCAD/2020/System%20Variables/O/OLEHIDE%20System%20Variable.md "OLEHIDE") - [OLEQUALITY](Help%20System/GSTARCAD/2020/System%20Variables/O/OLEQUALITY%20System%20Variable.md "OLEQUALITY") - [OLESTARTUP](Help%20System/GSTARCAD/2020/System%20Variables/O/OLESTARTUP%20System%20Variable.md "OLESTARTUP") - [OPMSTATE](Help%20System/GSTARCAD/2020/System%20Variables/O/OPMSTATE%20System%20Variable.md "OPMSTATE") - [ORTHOMODE](Help%20System/GSTARCAD/2020/System%20Variables/O/ORTHOMODE%20System%20Variable.md "ORTHOMODE") - [OSMODE](Help%20System/GSTARCAD/2020/System%20Variables/O/OSMODE%20System%20Variable.md "OSMODE") - [OSNAPCOORD](Help%20System/GSTARCAD/2020/System%20Variables/O/OSNAPCOORD%20System%20Variable.md "OSNAPCOORD") - [OSNAPZ](Help%20System/GSTARCAD/2020/System%20Variables/O/OSNAPZ%20System%20Variable.md "OSNAPZ") - [OSOPTIONS](Help%20System/GSTARCAD/2020/System%20Variables/O/OSOPTIONS%20System%20Variable.md "OSOPTIONS") ---