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====== How the "Park" position works with the Schulman Telescope ======

On a general telescope park positions can be defined by a physical limit switch/indicator or
through software by means of defining a particular telescope position. 
Some software programs also couple the position of "Park" with the action of 
moving to a park position and then turning off sidereal tracking. Not all software programs do this.

===== Schulman Telescope Implementation of Park =====

Different software programs handle Park in different ways:

^Program ^ Behavior ^
|**LCOGT GUI**|Park is a position only. Its state is asynchronous.|
|**ACP**|Park will set park variable (recorded by ACP and LCOGT) to "parked",  send to the defined park position and turn off tracking|
|**TheSky**|Connects to telescope via "ASCOM Mount." In this way, park is only a position. The behavior is like ACP if connected to a Bisque controller.|

===== Fixing the problem =====

Below is the typical error encountered in ACP.

{{:park_error.jpg|}}

  - First clear the error by closing the dialog window. If ACP closes, restart ACP.
  - In ACP **Park** the telescope under the **Telescope** menu.
  - Wait approximately 10 seconds for telescope to settle and return.
  - In the **Telescope** menu select **Unpark**.
  - Point the telescope to the next target as normal.

In step **#2**, even if the telescope is already physically at the **Park** position, re-parking will synchronize the variable states of **Park** in the [[using_the_lcogt_gui_and_moving_the_telescope|LCOGT GUI]] and ACP. Simply selecting **unpark** will not work.

===== For More Information =====
 
You are welcome to see a video that explains this issue by watching the below:

https://www.youtube.com/watch?v=v0Wx783Zc20

Also see the [[understanding_schulman_telescope_limits|Telescope Limits]] page.
MOON

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