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ZWO CAA Manual
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ZWO CAA Manual

ZWO CAA Manual

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CAA Manual
Version 0.2
December 2024
All rights to this manual and related materials, including the right to modify them, are reserved
by Suzhou ZWO Optoelectronics (ZWO). Updates may occur without prior notice,please
download the latest version from our official website.

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Summary of Contents for ZWO CAA

  • Page 1 CAA Manual Version 0.2 December 2024 All rights to this manual and related materials, including the right to modify them, are reserved by Suzhou ZWO Optoelectronics (ZWO). Updates may occur without prior notice,please download the latest version from our official website.
  • Page 2 4.1 For Telescopes Requiring Field Flatteners ................5 4.2 For Telescopes Not Requiring Field Flatteners ..............7 5. How to Use the CAA .........................8 5.1 ASIAIR App (Recommended) ....................8 5.2 Handle control method (handle needs to be purchased separately) ........13 5.3 Computer-side, ASIStudio control method (taking Windows as an example) ....
  • Page 3 If you have any questions, feel free to contact us online. 2. Product Description The CAA features ZWO's signature red exterior, an all-metal body, and a matte finish. It utilizes an optimized motor drive design, supports USB power and communication, and is compatible with the...
  • Page 4 CAA Manual CAA Key Features 1. Highly integrated design. 2. ASCOM support and compatibility with various ASCOM third-party software. 3. Native support for ASIAIR and ASIStudio. 4. Manual and hand controller options for angle adjustments. 5. Smooth rotation with excellent concentricity.
  • Page 5 CAA Manual 2.1 Items Included 2.2 Specifications Item Specifications Dimensions 136mm x 102mm x 35mm Weight 465g °/s Rotation Speed Power Consumption 5V 300mA RMS Clear Aperture Φ48mm Protection Level IP42 Axial Runout <0.5mm Radial Runout <0.5mm Concentricity <0.5mm Parallelism <0.5mm...
  • Page 6 Back Focus Usage 16.5mm Data Interface USB type-C ASCOM, ASIAIR, EAF Controller, SDK, and Supported ASIStudio 3. Structural Dimensions Diagram The detailed structural dimensions of the CAA are illustrated in the following diagram. Ensure accurate measurements are observed for installation and compatibility.
  • Page 7 The CAA can be connected to telescopes with or without field flatteners： 4.1 For Telescopes Requiring Field Flatteners 4.1.1 The CAA should be placed in front of the field flattener (M54 interface)： 4.1.2 Alternatively, the CAA can be placed behind the field flattener：...
  • Page 8 CAA Manual The back focus configuration combined with other products is as follows:...
  • Page 9 CAA Manual Note: CAA marked with "*" requires replacing the M54 connector with an M48 connector (included) 4.2 For Telescopes Not Requiring Field Flatteners For telescopes with built-in flattening capabilities, follow the back focus position parameters provided by the telescope manufacturer. Ensure correct sequencing and back focus allocation...
  • Page 10 Keep your mobile device connected to ASIAIR's Wi-Fi. Open the ASIAIR App, enter the device, confirm that it is correctly connected to the ASIAIR controller, and click to enter. 5.1.2 App settings Before you start using the mobile app to control CAA, please complete the following steps to ensure the best experience：...
  • Page 11 CAA Manual (1) Plate solving and synchronization: It is recommended to plate solve and synchronize in preview mode before using CAA. [Preview mode ① --- click to shoot ② --- click to plate solve after taking the picture ③ ] (2) Guide star settings: After CAA is connected, the user needs to determine the type of guide star equipment and whether it is necessary to turn on "calibration data rotation with CAA"...
  • Page 12 5.1.3 ASIAIR App provides three methods to control CAA： （1）CAA rotation control [Select "CAA" in the "CAA Settings Page" ① --- Click "Open" ② --- Set the angle through the "Compass/Input Box" ③ --- Click the Rotate Button ④. ] Note: The red triangle in the compass is the current angle of the camera sensor, the white sliding button is the target position, and the rotation angle can be entered in the right input box.
  • Page 13 CAA Manual box"---GoTo ③] Note: Method 2 requires turning on "GoTo target automatic centering" in the equatorial mount settings page (it is turned on by default). （3）In multi-target mode, set the target shooting angle [Switch multi-target mode ① ---Enter the star map ② ---Select the target (drag the star map background/enter the celestial body library ③...
  • Page 14 CAA Manual...
  • Page 15 HC interface of CAA to manually control its rotation angle. Note: CAA firmware comes with a 360° limit setting. If the handle does not rotate on one side, please try to rotate in the opposite direction.
  • Page 16 CAA Manual 5.3.2 Connect with CAA Connect the CAA data cable to the computer. After completing the cable connection, open ASIStudio. [ASICap/ASIImg]---[Settings]---[ASI CAA]---[Open].
  • Page 17 CAA Manual...
  • Page 18 Open the ZWO official website https://www.zwoastro.cn/downloads, download and install the ASCOM driver, and then you can open third-party software to use ZWO CAA, such as Maxlm DL, NINA and other software. The following uses NINA as an example to briefly explain the use of ZWO CAA.
  • Page 19 CAA Manual...
  • Page 20 （1）When installing the CAA, please pay attention to whether there is interference between the CAA and other components such as the telescope and camera to avoid damage to the equipment. （2） When disassembling the camera, if the camera termination ring cannot be unscrewed, you can take the following steps：...
  • Page 21 Proven by ZWO After verification by the customer service center, it is confirmed that the product is shipped directly to the user or agent by ZWO, then ZWO will provide relevant return and exchange services; if the product is directly sold or shipped to the user by ZWO agent, ZWO agent The merchant will be responsible for providing relevant return and exchange services;...
  • Page 22 CAA Manual 6) Product quality problems caused by failure to install according to product usage requirements or instructions. 7) Physical damage and failure of the product caused by irresistible external forces (such as floods, fires, earthquakes, lightning strikes and other strong vibrations or extrusions).
  • Page 23 RMA code for reference. ZWO does not accept any products sent back without written confirmation from ZWO and without an RMA number. 3. If the user purchased the ZWO product from a ZWO agent, he or she can directly contact the ZWO agent to obtain relevant after-sales service.