tldr/pages/linux/cec-client.md

cec-client

Manage serial bus CEC connections. See also: cec-ctl. More information: https://manned.org/man/cec-client.

• List all CEC adapters:

cec-client {{[-l|--list-devices]}}

• Start an interactive CEC session:

sudo cec-client

• Set the On-Screen Display name:

sudo cec-client {{[-o|--osd-name]}} {{name}}

• Send a single command:

echo {{on 0}} | sudo cec-client {{[-s|--single-command]}}

• Set a device to standby in interactive mode:

standby {{0}}

• Turn a device on in interactive mode:

on {{0}}