S1 heart sound is a low frequency sound, occurring at the beginning of systole. S3 and S4 sounds. So I wrote the following lame (crude) program. Standby (S1) (S2) (S3) Hi Folks, I have a inspiron 1505. R is developed from the S-language, a statistical language developed at the Bell Labs. Digital Video Broadcasting – Satellite (DVB-S) is the original DVB standard for Satellite Television and dates from 1995, in its first release, while development lasted from 1993 to 1997. RIIRIS301D – Apply Risk Management Processes (S1) This unit covers […] S1 (Sleep). No names, no locations, no times. S1, S1P, S2, S3 safety footwear follow the UNI EN ISO 20345 standard:. S2 (Sleep 2) The CPU does not have any power; The RAM is regenerated; the system is in lower mode of the S1. Quote from DANIEL-CRO: S1