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+-------------------------------------------------------------------------------
+GPIB / Keithley 2015
+-------------------------------------------------------------------------------
+
+This is an example capture of a *idn query to a Keithley 2015 DMM using
+an AR488 (Arduino bitbang GPIB adapter).
+
+
+Logic analyzer setup
+--------------------
+
+The logic analyzer used was a generic FX2 board (at 500kHz):
+
+  Probe       GPIB
+  ----------------
+  0           DIO1
+  1           DIO2
+  2           DIO3
+  3           DIO4
+  4           DIO5
+  5           DIO6
+  6           DIO7
+  7           DIO8
+  8           EOI
+  9           DAV
+  10          NRFD
+  11          NDAC
+  12          IFC
+  13          SRQ
+  14          ATN
+  15          REN
+
+
+Data
+----
+
+Send *idn? and receive instrument ident string.