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DEWMASTER V2
PRODUCT MANUAL
Version
1.0
01-Dec-2024
1

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Summary of Contents for PEGASUSASTRO DEWMASTER V2

  • Page 1 DEWMASTER V2 PRODUCT MANUAL Version 01-Dec-2024...
  • Page 2 DewMaster2 VERSION HISTORY Version # Implemented By Revision Date Reason Evans Souglakos 01/12/2024 Initial Document...
  • Page 3 DewMaster2 TABLE OF CONTENTS INTRODUCTION ............................4 PURPOSE ..............................4 IN THE BOX ..............................4 DEVICE CARE .............................. 4 DEVICE OVERVIEW ............................. 5 POWER REQUIREMENTS ..........................6 OLED DISPLAY ............................6 RCA OUTPUTS ............................6 ENVIRONMENTAL SENSOR ......................... 6 TEMPERATURE PROBES ..........................7 SETUP AND OPERATION ..........................
  • Page 4 DewMaster2 Introduction Thank you for purchasing the Pegasus Astro DewMaster 2. Purpose DewMaster 2 is the next evolution of our popular DewMaster offering enhanced functionality for dew heater management. Connect and control up to five dew heaters independently through precise PWM duty cycle adjustments.
  • Page 5 DewMaster2 Device Overview • OLED 2.3-inch display • Three push-buttons to control device • 2 x 12V Outputs for your additional equipment. From left to right • EXT Port – RJ12- Stock temperature and humidity sensor Input. • USB-C – PC port – USB2 Connectivity. •...
  • Page 6 DewMaster2 Power Requirements DewMaster2 accepts a voltage range from DC 11.0V – 14.5V. • We strongly recommend using our certified “Pegasus Astro 12V/10A power supply”. • A 13.8V lead (or calcium/lead) or a 12.8V LiFePO4 battery is also recommended. • Please use a power supply that can provide adequate current.
  • Page 7 DewMaster2 Temperature Probes Optional temperature probes are available for purchase and can be connected to the T1 and T2 sockets of DewMaster 2. These probes can be mounted on the telescope hood to monitor the optic cell’s temperature. Using these readings alongside the ambient temperature, the device intelligently adjusts the heater power to prevent dew formation, ensuring optimal seeing conditions remain uninterrupted.
  • Page 8 DewMaster2 Push Buttons The device has a simple three-button interface that allows you to easily configure key settings, adjust the power for the five dew outputs, and quickly modify device parameters. Press and release button to cycle between Dew Power outputs. From 1 to 5. Press buttons to decrease or increase the power percentage of each selected heater.
  • Page 9 DewMaster2 accordingly. Additionally, the current draw of each dew heater is factored into the calculation, ensuring optimal power delivery to meet the required conditions. Probe (T1 or T2) You can assign a temperature probe (T1 or T2) to a dew port and position it to touch the telescope’s hood near the optics.
  • Page 10 DewMaster2 Screen Pages Dew Power Control The main screen shows the power levels for all five outputs. If the AutoDew function or any sensor probe is configured on any Dew Output it will be displayed inside the slider of each output. On the right of each slider, you can see the percentage of power set to the output.
  • Page 11 DewMaster2 In the settings menu you have the following options: Set the mode of each Dew Port. You can select Manual, AutoDw, Probe1, or Probe2. Move to each Dew Port and press the button to change its mode. To save your selected configuration “Exit” from the settings menu. Units: Set Metric or Imperial units AutoDew Aggressiveness: From 1-10.
  • Page 12 Wi-Fi HotSpot DewMaster v2 has a Wi-Fi Access point (hotspot) at 2.4 GHz. The hotspot is enabled by default. The SSID name is compiled from the prefix Dewmaster2_ and the unique device ID e.g. 0043c88c.
  • Page 13 Password (always same as hotspot password) 12345678 This feature is operating system-independent and functions seamlessly alongside USB control. The web dashboard offers full control of the Dew Outputs, set of AutoDew or Temperature Probes, and Wi-Fi configuration along with statistics and information about DewMaster v2.
  • Page 14 Command Socket via TCP Port DewMaster v2 spawns TCP port number 9999 and accepts the same command set as the USB serial port. The only difference is that you need to provide the access point password before any interaction with the device.
  • Page 15 For the complete command set please check the DewMaster v2 product page at the PegasusAstro website. ASCOM 7 and ASCOM Alpaca DewMaster v2 works with both ASCOM 6 and 7, supporting observing conditions and ASCOM switches. It also connects to your network and supports ASCOM Alpaca for easy integration.
  • Page 16 DewMaster2 Mounting DewMaster2 features a 3 x M3 mounting hole pattern on the bottom, compatible with our PEG- SHOE attachment, enabling secure mounting to a shoe holder for convenient and stable positioning. Upgradable Firmware The device offers firmware upgradeability, a valuable feature that not only ensures the flexibility to accommodate future enhancements but also allows for the seamless rectification of any potential bugs or issues.
  • Page 17 The customer is responsible for shipping the product to our designated return address for either repair or replacement. For more information please read: https://pegasusastro.com/returns Support For any issues, questions or feedback and recommendations please contact us via email:...