Open the menu by clicking the wrench/gear icon in the top toolbar.
Create a dedicated folder on your main drive (e.g., C:\Charts\ or /home/user/Charts/ ). cm93 v2 charts download install
In OpenCPN, this is accomplished through the Chart Groups feature, accessible through the Options → Charts → Chart Groups tab. You can define which directories belong to which group and quickly toggle between groups using the toolbar. Many cruisers recommend creating a C:\CHARTS directory on your navigation computer and organizing all your charts there for easy access. Open the menu by clicking the wrench/gear icon