The Decade Engineering Xbob-4 is the most common overlay used with POSM, Shown here are the default settings for this device. POSM Supports 15 other overlays from different manufacturers and inspections systems. See POSM Default Settings For Every Overlay site for standard settings for all supported overlays and default settings.
If your Xbob-4 fails, it can be replaced by ordering on from the POSM Shop page.
The default settings of all overlays supported in POSM can be found on the Default Settings For Every Overlay site: https://overlay.posmsoftware.com/.