This is Perl module Device::VFD::GP1022. INSTALLATION Device::VFD::GP1022 installation is straightforward. If your CPAN shell is set up, you should just be able to do % cpan Device::VFD::GP1022 Download it, unpack it, then build it as per the usual: % perl Makefile.PL % make && make test Then install it: % make install DOCUMENTATION Device::VFD::GP1022 documentation is available as in POD. So you can do: % perldoc Device::VFD::GP1022 to read the documentation online with your favorite pager. Kazuhiro Osawa