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Firmware Versions on the NexStar 4/5 SE

NexStar 4/5 SE scopes have two sets of processors. There are processors in the hand control (HC) and there are processors in the base of the scope in a section known as the motor control (MC).  The MC firmware can be updated by the owner (read this).  The HC firmware can also be updated by the owner (read this).

Note that the NexStar 4/5 SE mount is distinct from the NexStar 6/8 SE and uses different MC firmware.

For additional details about features on newer versions, check the Manuals section of this web site.

Please email me if you have a scope with different versions than listed here.

HC Versions

• 4.13 - This version allows the motor control (MC) firmware to be upgraded via the port on the bottom of the hand control.
• 4.12 - Original version for the NexStar 4/5 SE. 

MC Versions

• 5.14 - Corrects a problem with the cordwrap prevention feature.
• 5.13 - Original version for the NexStar 4/5 SE.

Determining Versions

Use the Version option on the Utility menu.

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