# echo "scan" | cec-client -s -d 1
opening a connection to the CEC adapter...
requesting CEC bus information ...
CEC bus information
===================
device #0: TV
address:       0.0.0.0
active source: no
vendor:        Sharp
osd string:    TV
CEC version:   unknown
power status:  on
language:      ???


device #1: Recorder 1
address:       3.0.0.0
active source: no
vendor:        Pulse Eight
osd string:    CECTester
CEC version:   1.4
power status:  on
language:      eng


currently active source: unknown (-1)
CoreELEC:~ #