Specify starting postion by airport ID.
.TP
.BI "--altitude=" "value"
-Specify starting altitude (in feet unless --units-meters specified).
+Specify starting altitude (in feet unless \-\-units-meters specified).
.TP
.BI "--atc610x"
Enable atc610x interface.
Specify heading or yaw angle (degrees).
.TP
.BR "--help" ", " "-h"
-Show a brief help message. Use --verbose,-v for a full listing of options.
+Show a brief help message. Use \-\-verbose,\-v for a full listing of options.
.TP
.BI "--httpd=" "port"
Start an HTTP server on the specified port.
Open an IO connection using the PVE (Provision Entertainment) protocol.
.TP
.B "--random-wind"
-Randomize initial wind parameters. See also: --wind.
+Randomize initial wind parameters. See also: \-\-wind.
.TP
.BI "--ray=" "medium" "," "direction" "," "hz" "," "options" "," "..."
Open an IO connection to a "RayWoodworth" motion chair.
.TP
.BI "--uBody=" "value"
Specify velocity along the body X axis (feet per second unless
---units-meters specified).
+\-\-units-meters specified).
.TP
.B "--units-feet"
Use feet instead of meters. Affects other options as well as the
.TP
.BI "--vBody=" "value"
Specify velocity along the body Y axis (feet per second unless
---units-meters specified).
+\-\-units-meters specified).
.TP
.BI "--vc=" "knots"
Specify initial airspeed (knots).
.TP
.BI "--wBody=" "value"
Specify velocity along the body Z axis (feet per second unless
---units-meters specified).
+\-\-units-meters specified).
.TP
.BI "--wind=" "DIR@SPEED"
Specify wind coming from DIR (degrees) at SPEED (knots). Values may be