+.Tp Cm aed
+AED 512 color graphics terminal.
+.Tp Cx Cm bitgraph
+.Ws
+.Cx or
+.Ws
+.Cm bg
+.Cx
+BBN bitgraph graphics terminal.
+.Tp Cx Cm imagen
+.Ws
+.Cx or
+.Ws
+.Cm ip
+.Cx
+Imagen laser printer (default 240 dots-per-inch resolution).
+.Tp Cm crt
+Any crt terminal capable of running
+.Xr vi 1 .
+.Tp Cm dumb
+Dumb terminals without cursor addressing or line printers.
+.Tp Cm vt125
+DEC vt125 terminal.
+.Tp Cx Cm hp2648
+.Ws
+.Cx or
+.Ws
+.Cm hp
+.Ws
+.Cx or
+.Ws
+.Cm hp8
+.Cx
+Hewlett Packard 2648 graphics terminal.
+.Tp Cm ver