162.3 Front Panel Control Knobs1. POWER Press to turn on / off (standby) the TV set.2. VOL + Press to increase the volume.3. VOL - Press to decrease the volume.4. CH Ÿ Press to increase the channel number.5. CH ź Press to decrease the channel number.6. MENU Press to open or exit the OSD (on-screen display) menu.7. INPUT Press to select the input source.