43When the face matching function is activated, it detects facial features of people in images, matches themagainst similar facial features recorded earlier or contained in live images, and issues an alarm when a match isfound.Important:• Face matching does not work while playing back images.• When using the face matching function on the operation screen, the display changes to 1-screen or4-screen display, on the wide view screen, it changes to 3-screen display. It will not work on the multiscreen.• While using the face matching function, sequence display on the live monitor will stop.• When several people appear in images at the same time, face matching may take time, or it may not bepossible to match all facial images.• Refer to the installation guide for setup and further information about the face matching function.Face matching alarm actionsWhen a face matching alarm occurs, the following notifications will be issued:An alarm indication and the name of the facial image (name of detected person) will bedisplayed in the status display area.The latest face matching result will be displayedNote:• When displaying images in wide view, the operation panel will open automatically.• When copying or playing back images, the face matching result window will not be displayed.• The face matching result window shows the latest matched facial image.Other alarm actions• The alarm indicator on the front panel of the recorder will blink.• The buzzer sounds.• A face matching alarm is output from a terminal on the rear panel (if set up).• An alarm e-mail is sent (if set up).About the face matching functionRegistered facial image Matched facial image