Download map data archive for SAS.Planet using this link
Unzip map data files
Copy files from the "maps" folder to "SAS.Planet.Release.201212\Maps\sas.maps"
Launch "SAS.Planet.Release.201212\SASPlanet.exe"
Select OpenStreetMap as it shown on the screenshot below
Select "Settings / Map Settings" menu Set Cache type = Mobile Atlas Creator (MOBAC)
Select "Operations / Selection Manager / Rectangular Selection" menu Click at the top/left and bottom/right corners on the map to select area to store for offline usage
When selection is complete, "Selection Manager" window will appear
Tick required zoom levels and click "Start" to export map data When export procedure is finished, take the map data from the folder specified in the window below
The folder ("osmmapMapnik") and all it content should be copied to a folder accessible to the dispatcher application. Specify offline map data folder in the dispatcher settings