This document provides instructions on upgrading DomePro firmware and provides release notes on the associated firmware version.

The minimum Maestro4 version which works with this version of DomePro firmware is 0.09.002. Assure that Maestro4 is upgraded to at least this version before upgrading DomePro firmware.

Installation instructions

1. Assure that the DomePro controller is attached via USB to the Windows PC.
2. Using the Device Manager on the Windows PC, determine the COM port number for the DomePro controller connection.
3. Run the DomePro_N.exe file. 'N' is the firmware version number.
4. The "Astrometric Firmware Upgrader" will run. Follow the steps in the user interface. Step #1 will be pre-completed for you. Step #2 is to select the COM port number for the attached controller and click "Connect". Finally, step #3 is to click "Upgrade Firmware". The upgrade will commence and status on progress will be provided.
   Note: DomeProU and DomePro2 products shipped prior to 1-Apr-2022 cannot be upgraded with the "Astrometric Firmware Upgrader" HOWEVER, contact us and we will assist in conveniently upgrading your firmware.
5. Upgrade the other controller (e.g. shutter) if this is a classic dome system.
6. Power-cycle DomePro and it should now boot into using the new firmware and connect to Maestro.

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New this version

Features

Dir return LOW for StepDir
	- For the StepDir Drive Type: Dir returns to a low state after a move to reduce power consumption.

Bug fixes
	- For the StepDir Drive Type, a motor stall would previously lead to a ramp down of steps being issued rather than instant stop.
		In v.32 firmware steps are ceased when a motor stall occurs.