Axis Communications 233D user manual Pre-trigger and Post-trigger buffers

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AXIS 233D - Event Configuration 35

Pre-trigger and Post-trigger buffers

This function is very useful when checking to see what happened immediately before and after a trigger, e.g. 2 minutes before and after a door has been opened.

Go to Event Types > Add Triggered... > When Triggered... and check the Upload images checkbox to expand the web page with the available options.

Buffer size - up to 36 MB buffer. The maximum length of time of the pre-/post-buffer depends on the image size and selected frame rate.

Include pre-trigger buffer - images stored internally in the server from the time immediately preceding the trigger. Check the box to enable the pre-trigger buffer, enter the desired length of time and specify the required image frequency.

Include post-trigger buffer - contains images from the time immediately after the trigger. Configure as for pre-trigger.

Note: If the pre- or post-buffer is too large for the internal memory, the frame rate will be reduced and individual images may be missing. If this occurs, an entry will be created in the unit's log file.

Continue image upload (unbuffered) - enable the upload of images for a fixed length of time. Specify the length of time for the uploaded recording, in seconds, minutes or hours, or for as long as the trigger is active. Finally, set the desired image frequency to the maximum (the maximum available) or to a specified frame rate. The frame rate will be the best possible, but might not be as high as specified, especially if uploading via a slow connection.

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Contents Axis 233D About This Document Axis Customer Services Table of contents Axis 233D Product Overview Key FeaturesRestart button Control button IndicatorOverview Network TerminalColor Description Status LED IndicatorAccessing the Axis 233D Using the Network Dome CameraAxis 233D Using the Network Dome Camera Pan/Tilt/Zoom Control Queue Click-in-image movementArea Zoom Pan/Tilt/Zoom ControlsAxis 295 Video Surveillance Joystick Motion Jpeg Video StreamsStream Types MPEG-4 protocols and communication methods RTP/RTSP/HTTP or RTP/RTSP/HTTPS How to stream MPEG-4Other MPEG-4 clients Other methods of accessing the video streamAxis Media Control Overview of the Setup Tools Configuring the Network Dome CameraAccessing the Setup Tools Image Settings Video & Image SettingsVideo Stream Overlay SettingsOverlay Image Settings Go to Setup Video & Image Overlay ImagePrivacy Mask Advanced Camera SettingsLow Light Behavior MPEG-4 Settings Audio Channels Audio SettingsAudio mode AudioAudio Output Audio InputAdvanced Audio Layout Live View ConfigCheck Show Custom Link ViewAction Buttons Html Examples Viewer SettingsWorking with External Video Sources Sequence ModeExternal Video Osdi Zones Dome ConfigurationPreset Positions Guard TourAdvanced Event Servers Event ConfigurationClick Add triggered on the Event types How to set up a triggered eventEvent Types Triggered EventPre-trigger and Post-trigger buffers Click Add scheduled on the Event types How to set up a scheduled eventScheduled Event Motion Detection History Sensitivity Port StatusIP Address Filtering User Settings check the corresponding checkboxes to enableSystem Options Security802.1X Network Admission Control HttpsDate & Time Authentication processAxis 233D System Options Services Network Basic TCP/IP SettingsIP Address Configuration Host Name Configuration Network Advanced TCP/IP SettingsDNS Configuration NTP ConfigurationNAT traversal port mapping Link-Local IPv4 AddressNetwork Traffic FTPSmtp email QoS Quality of serviceQoS Settings Ports & devices MaintenanceUPnP BonjourDefault router Subnet mask System time Logs & Reports ConfigurationSupport AdvancedAbout Resetting to Factory Default SettingsResetting to the Factory Default Settings Terminal Connectors AC/DC+2 Power connector block pin assignment tablePower/Audio Output Terminal connector blocksPin Function Description Power/Audio Schematic Diagram Axis 233D I/O connectors and power Checking the Firmware Updating the Firmware TroubleshootingEmergency Recovery Procedure LED Indicator flash routine Support Using ARP Ping Symptoms, Possible Causes and Remedial ActionsSnapshot images Technical Specifications Maintenance Alarm and eventConnectors PowerSupport WeightRequirements System integrationOptimizing your system General performance considerationsBandwidth Frame ratesAxis 233D Technical Specifications 802.1x IndexRadius Wide dynamic range
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233D specifications

Axis Communications, a pioneer in the field of network video solutions, has continually pushed the envelope in surveillance technology with its innovative products. Among its esteemed offerings, the Axis 233D stands out as a formidable tool for both security professionals and organizations seeking comprehensive monitoring solutions.

The Axis 233D is a high-performance PTZ (Pan-Tilt-Zoom) network camera designed for demanding surveillance environments. One of its main features is the ability to provide high-resolution video streaming at 30 frames per second, ensuring that users can capture clear and detailed images, even in dynamic situations. This camera supports a resolution of up to 2 megapixels, which enhances its ability to deliver crisp visuals, crucial for identifying individuals and objects in the monitored areas.

Equipped with advanced pan, tilt, and zoom capabilities, the Axis 233D can cover expansive areas with ease. The camera offers a 360-degree endless rotation for pan movements and a wide field of view, making it ideal for large spaces like parking lots, shopping centers, and public transport stations. The powerful zoom lens allows operators to focus on specific subjects from a distance, which is essential in security monitoring.

The Axis 233D also employs robust technologies to ensure excellent performance in various lighting conditions. With integrated WDR (Wide Dynamic Range), this camera can balance scenes with significant contrasts in lighting, ensuring that both bright and dark areas are clearly visible. Additionally, features like digital noise reduction contribute to clearer images in low-light situations, making it versatile for day and night operation.

Another characteristic that sets the Axis 233D apart is its network functionality. This camera supports Power over Ethernet (PoE), simplifying installation as it requires only a single Ethernet cable for both power and data transfer. It also leverages Axis' advanced video compression technologies, including H.264, which optimizes bandwidth usage while maintaining high image quality.

Furthermore, the Axis 233D is embedded with intelligent video analytics, enabling proactive monitoring. Functions such as motion detection and object tracking help users respond quickly to potential security threats. This capability is critical in real-time environments where each moment counts.

In summary, the Axis Communications 233D is a high-end surveillance solution that marries advanced technology with user-friendly features. With its PTZ functionalities, exceptional image quality, robust performance in varying light conditions, and intelligent analytics, it serves as an indispensable asset for security professionals looking to enhance their surveillance systems effectively. As security needs continue to evolve, the Axis 233D remains at the forefront of addressing those challenges.
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