Control Keys for NavigationYou can operate each menu using the Cursors, Enter and Back buttons on the remote control or the main unit.In the case of models that there is no cursor button on the main unit, the following buttons will work as the cursor buttons during HDMI Diagnostics mode.RC buttonsMain unit buttonsAVR-S730HAVR-S930HAVR-X1400HAVR-X2400HUp TUNE + ZONE2 SOURCEDown TUNE - ZONE2 ON/OFFLeft TUNER PRESET CH - TUNER PRESET CH -Right TUNER PRESET CH + TUNER PRESET CH +ENTER DIMMER DIMMERBACK STATUS STATUSTo exit HDMI DIAGNOSTICS ModeTo exit the HDMI Diagnostics mode, please select "7 Exit" or turn off the AV Receiver.NOTE0 The HDMI DIAGNOSTICS feature does not support ZONE2 related Video and Audio issues.Introduction How to operate Cable Test Limit mode Log & EDID Troubleshooting7