© Copyright Qvis® All documentation rights reserved. 472 Digital zoom It is to zoom into specified zone of currentchannel. It supports zoom in function of multiple-channel.The selected area has an icon as and thefree area is shown as an icon as .3 Real-time backupfunctionIt is to backup the video of current channel tothe USB device. System can not backup thevideo of multiple-channel at the same time.Current selected backup channel has an icon asand the free channel is shown as an icon as. .Once the backup started, you can see the freechannel is shown as an icon as .4 ExitPlayback controlThe playback control has the following features: Support play, pause, and exit and drag function. During the preview playback process, you can not see the channel title and record statusof current channel. It will display the channel title and the record status once you exit thepreview playback. During the preview playback, you can not switch the displayed channel or changecurrent window-display mode. Please note the tour function has the higher priority than the preview playback. You cannot control the preview playback until the tour function ended.4.3 Manual RecordNote: You need to have proper rights to implement the following operations. Please makesure the HDD has been properly installed.4.3.1 Manual record menuThere are two ways for you to go to manual record menu: Right click mouse or in the main menu, Advanced->Manual Record. In live viewing mode, click record button in the front panel or record button in the remotecontrol.Manual record menu is shown as in Figure 4-7.