12Restrictions when operating MPEG-4 imagesThere are following restrictions when MPEG-4 images are used with this software.1. When displaying live imagesq Black screen may be displayed for the first few seconds (*) when the following operations are performed whiledisplaying live images.• When MPEG-4 live images are displayed (by switching camera channel, etc.)• When MPEG-4 image is enlargedw It may take several seconds (*) for refresh interval of MPEG-4 image depending on the configuration of theoption settings when displaying images on a multi-screen. Refer to page 141 for further information.Example: When "3 seconds" is selected for the refresh interval on the camera, MPEG-4 image will be refreshedin 3 seconds intervals.e Even when the mouse pointer is moved onto the image display area (page 26), information supposed to be dis-played as described on page 26 will not be displayed when displaying MPEG-4 live images.2. When playing recorded images (Network mode)q Displayed playback time may be fast for several seconds (*) when the following operations are performed whileplaying recorded images.• When MPEG-4 recorded images are played (by changing camera channels, etc.)• When MPEG-4 image is enlarged(When operating to enlarge a paused MPEG-4 recorded image, image of several seconds later than thepaused image may be enlarged.)• When the [PLAY] button is clicked again while playing MPEG-4 imagew Playback may be performed in several seconds intervals (*) when the following operations are performed whileplaying MPEG-4 image.• REV PLAY• FF/REW• PREV IMAGEExample: When "3 seconds" is selected for the refresh interval on the camera, MPEG-4 image will be played in 3seconds intervals.e When two records are played sequentially, the last few frames of the former record and the first few frames of thenext record may be displayed overlapped.r When the [Skip] button or the [Skip reversely] button is clicked, a skipped point may be a few seconds later (*)from a point to be skipped with the selected amount of time.t Black screen may be displayed when the A-B repeat playback is performed.When a black screen is displayed, the following operations will become inoperable.• PLAY/REV PLAY• FF/REW• NEXT RECORD/REV RECORD• Skip/Skip reversely• NEXT IMAGE/PREV IMAGE• PAUSE