1. Enter the playback operation interface, press the 【 Play/Play 】 button on the front panel in preview mode, and a login dialog box will pop up. Select a username and enter the correct password to enter the playback operation interface.
2. Press the 【 Play/Play 】 button on the front panel in menu operation mode to directly enter the playback operation interface. If the device supports one playback, the one playback menu operation interface will appear. If the device supports two playback, the two playback menu operation interface will appear. The operation interface mainly includes search condition settings, search buttons, file list boxes, and backup settings.
3. Channel: The target channel number to be played back can be selected using the ↑ or → keys, and any channel can be selected.
4. Sub channel: The sub channel number for two-way playback, which can be selected using the ↑ or → keys, except for the "main channel"
5. There is an option for "secondary channel" that is "none". If "none" is selected, only single channel playback will be performed on the "main channel". The types of video files that need to be retrieved, including options such as timed, motion detection, alarm, manual recording, or all video types. Use the ↑ or → keys to select.
6. Time period: The definition of a time period has two purposes. Firstly, it can limit the scope of retrieval for a video file; Secondly, determine an exact starting time (in seconds) during playback based on time. By using the number keys on the front panel, you can directly input the start and end times in the order of "year, month, day, hour, minute, and second". Search for files: Search for video files that meet the criteria. The searched video files are displayed in the file list window below. If there are no eligible files in the hard disk recorder, a "Operation failed" prompt box will appear on the screen.
