\item 127 - start signal used for anti coincidence (0x7F)
\item 128 - veto signal (after setting width 0xA0C0(23 -- 20)) used for anti coincidence (0x80)
\item 129 - anti coincidence signal (0x81)
- \item 255 - 130 not used
+ \item 130 - lvl1 trigger (0x82)
+ \item 131 - lvl1 busy (0x83)
+ \item 132 - beginning of lvl1 busy (0x84)
+ \item 133 - beam inhibit signal (0x85)
+ \item 134 - lvl2 trbnet busy (0x86)
+ \item 135 - lvl2 local busy (0x87)
+ \item 255 - 135 not used (0x88)
\end{description}
\item[Bit 15 -- 8] Selects the output signal for LVDS OUT(5) (the same values as for LVDS OUT(4)) - this output is also used for histograms (25th histogram - counting from 0)
\item[Bit 31 -- 28] Data version set into the data stream from the CTS (see a CTS data structure chapter)