User manual AXIS 241Q

[. . . ] AXIS 241Q, AXIS 241S, AXIS 241QA and AXIS 241SA Video Servers User's Manual 2 About This Document This manual is intended for administrators and users of the AXIS 241Q and AXIS 241S Video Server (firmware release 4. 30), and the AXIS 241QA and 241SA Video Server (firmware release 4. 30). It includes instructions for using and managing the Video Server on your network. Previous experience of networking will be of use when installing and using this product. Some knowledge of UNIX or Linux-based systems would also be beneficial, for developing shell scripts and applications. [. . . ] This is for the benefit of an operator, who cannot access the System Options section. Example: If the Normal state for a push button connected to an input is set to Open circuit, as long as the button is not pushed, the state is inactive. If the button is pushed, the state of the input changes to active. 38 AXIS 241Q/S/QA/SA - Pan Tilt Zoom Pan Tilt Zoom Installing PTZ Devices The Video Server supports several PTZ devices. Please see www. axis. com for a complete list of supported devices, and to obtain the correct driver. Follow the instructions below to install a PTZ device: 1. Using an appropriate cable, connect the device to your selected port (RS-232 or RS-485). These ports are available via the D-Sub connector and the I/O terminal connector, respectively. See pages 54 and 56 for more information. In the setup tools, go to Setup > System Options > Ports & Devices and then select either port RS-232 or RS-485 to configure. Select Pan Tilt Zoom from the Usage drop-down list. (PTZ drivers are available from the Axis Web site at www. axis. com) 5. The default values correspond to the values specified by the PTZ driver. From System Options > Ports & Devices, select the port configured for PTZ and then select the video source to use with the device. If required, click the Advanced Options button to make further settings and see the online help. AXIS 241Q/S/QA/SA - Pan Tilt Zoom Note: Advanced users and application developers can also use the Axis Application Programming Interface and HTTP specification for generic control of PTZ devices using CGI commands or a TCP/IP client. Please refer to the Axis Website at www. axis. com for further information. 39 PTZ Configuration Once PTZ has been installed for the Video Server, PTZ Configuration now appears in the menu to the left along with the following submenus. Preset Positions A preset position is a pre-defined camera view than can be used to quickly move the camera to a specific location. From Preset Position Setup, use the Pan, Tilt and Zoom (PTZ) controls to steer the camera to the required position. When satisfied with the camera's position, enter a descriptive name. The camera position, iris and focus settings are then saved as a preset position. The position can be assumed at any time, by selecting the preset's name from the Preset positions drop-down list. Preset positions can be selected in Live View, from events and in Sequence mode. One position can be set as the Home position, which is readily accessible by clicking in the box beside Use current position as Home. The position's name will then have (H) added, e. g. [. . . ] Router - A device that determines the next network point 70 AXIS 241Q/S/QA/SA - Glossary to which a packet should be forwarded on its way to its final destination. A router is often included as part of a network switch (see below). A transfer protocol designed for the delivery of live content, e. g. Simplex - In simplex operation, a network cable or communications channel can only send information in one direction; it's a "one-way street". [. . . ]