Specifies the program name if using the DVB interface.
The -progname or -pid option specifies the program or teletext PID if using the DVB interface.
If neither of these two options is used, alevt outputs informations about the currently accessible
streams and uses the first of these PIDs as default. This output contains the PIDs and names that can be
used as an input for the -progname or -pid option in the context of the currently chosen TV channel.
Select the teletext stream by the PID hex value:
Select the teletext stream by the PID decimal value: