LED PatternsLEDs indicate the operational status of the unit, as follows:LED pattern StatusSlow blue flashing • Starting up• Idle stateBlue on • In a video conference call (including when dialing,receiving a video conference call, and being disconnected)Orange on • Self diagnosis is being performed.Orange flashing • Mismatch of field frequency*1 between the unit and display.(After 30 seconds the flashing will stop and the unit willrestart in safe mode.)Red on • An error has occurred.• Maintenance is being performed.Red flashing • A serious error has occurred.Off • Power is off.• In screen standby mode*1 Devices such as the display or video camera operate with a particular field frequency, depending on their video format. For detailson the field frequency, contact your dealer.Screen StandbyWhen there is no video conference call transmission, and the unit or remote control is not operated for morethan 10 minutes (default), or when the remote control’s [Video Out On/Off] button is pressed, the unit entersscreen standby mode. Video out to the display is suspended and the status LED turns off.Screen standby mode ends when the unit or remote control is operated, or when a video conference call isreceived.Notice• If screen standby mode ends and no image is visible, check to see if the display or video camera’spower saving settings are enabled. Check each device’s manual for more information about its powersaving settings.Note• You can change the length of time until the unit enters screen standby mode (Page 88).• The unit will not enter screen standby mode while displaying a computer’s screen or a sub videocamera’s image, even if the unit or remote control is not operated for a period of time.• When the unit or remote control is operated and screen standby mode ends, the Home screen will bedisplayed.• If a button is pressed on the unit or remote control to end screen standby mode, that button’s operationis not performed in that case.• If screen standby mode begins while editing information in the contact list or other screen, any unsavedchanges will be lost.20 Operating Manual Document Version 2011-02Preparation