Electric Filter Wheel
Contents
1. aE AT 1K eager TIT Electric Filter Wheel User s manual Thank you for purchasing the Atik Electric Filter wheel EFW With it you will be able to easily change filters without touching the telescope This is specially important when imaging as it often happens that when using manual wheels autoguiders tend to loose their guide star due to shaking and or backlash With the Atik EFW you can change filters without disturbing autoguiding Operation of the wheel is very simple and it can easily be put into 5 steps Step 1 Opening the wheel Take the wheel out of it s box and unscrew the 5 retaining screws Step 2 Install your filters into one or more of the 5 available positions They are marked 1 to 5 for easy identification Take care that you don t loose the spring in the middle of the assembly You can take it off if needed Step 3 Place the middle spring on the central pin if you took it off and close the wheel by screwing back the 5 screws Step 4 Connect the cable to the hand controller and power it 12VDC At this point the wheel will reset to position number 1 How do you know on which position is 1t Simple On the hand controller you will find a button and a LED The button obvi ously is for changing position and the LED provides feedback on which position the wheel is now It does this by blinking the number of times cor respondent to the position 1 blink Position 1 2 blink Position 2 and so o2. n Please keep in mind that from position 2 forward the blinks are divided into groups of 2 This means that position 3 blinks twice has a short pause and then blinks again Position 4 will have 2 blinks short pause 2 blinks To summarize the blink code 1s Position 1 1 blink Position 2 2 blink Position 3 2 blink pause 1 blink Position 4 2 blink pause 2 blink Position 5 2 blink pause 2 blink pause blink This is actually much simpler than it seems The button has an extra functionality If needed you can reset the wheel by pressing the button for 4 seconds The LED will blink fast and the wheel will reset to position 1 We hope you enjoy your Atik EFW
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