16Note: The system will restart when the VGA resolution or the camera resolution is modified.3.7 AdvancedEnter the following screen from “Main Menu” →“Advanced”:The advanced functions include the 7 options of alarm setup, system information, motion detection, mobile phone monitoring,system maintenance, PTZ Setup and Network Setup.3.7.1 AlarmMove the cursor to the “Alarm” option (the icon is surrounded by a yellow frame to indicate selection), and press “Enter” to enterthe setup screen of this option, as shown below:HDD LOSS: On: When the system cannot identify the harddisk, an alarm will be generated, and a red mark “H” will be displayed atthe bottom left corner of Channel 1 in the lower part of the Video Preview screen.HDD SPACE: On: When the remaining space of the harddisk is less than 500M, the lower part of the Video Preview screen willdisplay: “The space of the harddisk is not enough. Please change the disk after shutdown.”VIDEO LOSS: On: When the video of a certain channel is lost, this channel will display in the lower part of the Video Previewscreen: “Video Loss”.ALARM MANAGE BUZZER: the time of buzzer ringing when an alarm is generated, with the options of 0sec, 10sec, 20sec, 40secand 60secPost Alarm Recording: the time of record delay after the motion detection alarm, with the options of 30sec, 1min, 2min and 5minEmail SETUP: This unit supports motion detection and e-mail alarm.Email setup Prerequisite: The mainframe must be connected to the WAN. See Chapter 4 “DVR Network” for the connectionmethod.When motion detection is triggered, the system will extract a picture at the time of triggering and send it to the correspondingmailbox. The size of the extracted picture is about 11K.