-.sp
-Also, while
-.B "5=MOSI,6=MISO"
-will only select probes 5 and 6, and set their names to MISO and MOSI, the
-command line
-.B "5=MOSI,6=MISO,1\-8"
-will select probes 1\-8 (including 5 and 6, of course), but the names specified
-for probes 5 and 6 will be reset to the defaults by the
-.B "1\-8"
-probe selection.
+.TP
+.BR "\-g, \-\-channel\-group "<channel\ group>
+Specify the channel group to operate on.
+
+Some devices organize channels into groups, the settings of which can
+only be changed as a group. The list of channel groups, if any, is displayed
+with the \fB\-\-show\fP command.