- 106 -Functions VIERA Link “HDAVI Control™” Summary of VIERA LinkNote● These functions may not work properly depending on the connectedequipment.● Image or sound may not be delivered for the first few seconds when theinput mode is switched.● “HDAVI Control 5” is the newest standard for HDAVI Control compatibleequipment. This standard is compatible with conventional HDAVIequipment.● To confirm the HDAVI Control version of this TVSupport Information Using Help menuChild LockUsing Child LockYou can lock specific channels / AV input terminals to restrict access to them.When the locked channel / input is selected, a message appears. Enter thePIN number to watch.1. Display the menu with MENU2. Select Setup Child Lock with / and press OK to access3. Enter the PIN number (4 digits) with the numeric buttons● Enter the PIN number twice at first setting.● Make a note of the PIN number in case you forget it.4. Select Child Lock List with / and press OK to access5. Select the channel / input with / and press OK to lock● appears when the channel / input is locked.● To cancel1) Select the locked channel / input with /2) Press OK● To sort channel names in alphabetical order(red)● To lock all(green)● To cancel all locks