F5100 / F5105 / F5110 / F5115 User Manual9.8 Alarm BufferWhen you click Alarm Buffer on the Advanced mode menu, the Alarm buffer setting menuappears. You can set in this menu to enable alarm buffer function connected with FTP Client,and SMTP.Use alarm buffer function for recording audio and video file in the IP Camera before and afterdisconnected network. After re-connecting, these files will transmit to FTP Client, andSMTP. You can set the pre-alarm and post-alarm period up to 5 seconds in Alarm Bufferfunction screen.73Setting-AdvancedAlarm Buffer