225. OPERATION INSTRUCTIONS5.1 Front panel controls1. MENU: Press to show the on-screen menu.2. INPUT: Press to show the input source mode. In the MENU/INPUT screen, these buttons serve as OKbutton.3. VOL -/+: Press to adjust the volume .In the MENU screen, these buttons serve as left/right buttons.4. CH -/+ : Press to scan through channels. To scan quickly through channels, press and hold downeither +/- . In the MENU screen, these buttons serve as up/down buttons.5. POWER: Press to turn on and off the TV.6. AV2 AUDIO IN: Connect to hear stereo sound from an external device.7. HDMI3 IN: Connect a signal from an external device to HDMI.8. AV2 VIDEO IN: Connects the video signal from a video device.9. AV2 VIDEO IN: Connects the video signal from a video device.