LC/MS Xevo TQD Analyser Tune Settings acronyms

<p>I am looking for an explanation for the TQD tune Analyser settings terms as: LM 1, LM 2, LM 2, LM 2 resolution; Ion Energy 1, and 2; MS mode Entrance and Exit; Gas On (and OFF) MS Mode Entrance (and Exit); Active reservoir, and MS 1 (and 2) Delay Table.  (R; delay).  All these terms are a part of the Tune parameters printout.</p>