1 turning the tv on and off, 3 backlight (only protos), 2 language selection in the tv menu – Metz Astral MF PIP 72TF81 User Manual

Spectral-MF PIP 72 TF 80 - 100 HT, Astral-MF PIP 72 TF 81 - 100 HT, Taros-MF PIP 72 TF 82 - 100 HT, Carat-SF 72 TF 83 - 100 HT, Stratos-SF-PIP 72 TF 86 - 100 HT, Kreta-SF 72 TF 87 - 100 HT, Mondial-S PIP 84 TF 88 - 100 HT, Protos-MF PIP 72 TF 89 - 100 HT, 72 TF 80, 72 TF 81, 72 TF 82, 72 TF 83, 72 TF 86, 72 TF 88, 84 TF 88, 72 TF 89