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User Manual

- version ENG 1.1 -

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Содержание SmartGuider

Страница 1: ...1 User Manual version ENG 1 1 ...

Страница 2: ...imaging rig has been set up polar aligned and carefully balanced here are the main steps to follow 1 Make all the necessary connections a Attach the camera to the guide scope carefully locking the setscrews b Connect the Control Paddle to both the camera head and the mount s ST 4 port using the appropriate RJ cables c Connect the Control Paddle to a 12V DC power supply 2 Turn the LVI SmartGuider o...

Страница 3: ... can have up to three different options on their bottom line which can be activated by pressing the corresponding button on the control paddle from left to right After connecting the power supply turn the camera on by pressing and holding the central button until the LVI logo shows up shortly thereafter the message YOUR SMARTGUIDER IS READY informs you that the startup phase is complete and the ca...

Страница 4: ...ser look at the focusing procedure Before mounting the camera onto the guide scope s drawtube you have first to center the brightest star in the field of view which is closest to your imaging target with a wide field low power eyepiece use then the special SmartEye eyepiece to focus the guide scope and fine tune the position of the star chosen This eyepiece will deliver a perfectly focused and cen...

Страница 5: ...FSET 46 you can try to center it by CAREFULLY nudging the mount along the four directions with the drive keypad at guiding speed If the star is thrown off the active area it will be lost STAR LOST message pops up and you will have to start over with focusing Two focusing aids are available the FOCUS STAR index and the circle on the right hand side of the screen they both show the diameter of the s...

Страница 6: ... screens The SmartGuider is standing by Status READY screen on the upper left before starting the actual autoguiding phase Status GUIDING screen on the upper right by selecting START The two graphs allow real time monitoring of guiding corrections issued to the mount You can interrupt the autoguiding process by pressing STOP at any time while EXIT will take you back to the basic settings screen It...

Страница 7: ...r arrows UP and DOWN you can adjust the aggressiveness in the X axis upper left and in the Y axis upper right The aggressiveness in both axes can range from 1 to 6 1 2 LOW 3 4 MILD 5 6 HIGH and expresses the degree of reactivity of corrections a high value will urge the camera to immediately correct for the slightest displacement whereas a low value will yield a much smoother behavior See more det...

Страница 8: ...ng port pin assignment COMMUNICATION ERROR The following message is displayed if the cable connecting the CPU and the camera head gets accidentally disconnected or in case of problems with the electrical connections or the power supply 4 2 Choosing a suitable guide scope Thanks to its sub pixel guiding capability the SmartGuider does not call for telescopes with very long focal length or particula...

Страница 9: ...acking errors this makes them not as suitable for mounts with an irregular periodic error However long exposure times required by faint stars could come in handy to minimize the influence of bad seeing Here we suggest a very low guiding speed best if no higher than 0 25X with MILD aggressiveness Medium brightness stars visual magnitude between 3 and 6 generally yield best performance 4 4 Search fo...

Страница 10: ...es of short focal length under 500 mm It is also advisable not to use too dim a star for calibration otherwise just a few thin clouds or a little dew on the lenses could cause the star to be lost and jeopardize the final result of this important process 4 6 Autoguiding and aggressiveness In practice the aggressiveness parameter defines the reaction threshold in terms of sensor pixels i e the value...

Страница 11: ...graphs keeps steadily above or below the zero value undercorrection the guiding speed has to be slowly increased until the graph profile goes back to hovering around the zero position If no improvement is seen even with the guiding speed at its highest value the aggressiveness must be increased On nights of bad seeing and especially with long focal length guide scopes it could be worthwhile to sli...

Страница 12: ...ack 6 pin RJ12 pin Size and weight LxHxD 55x96x28mm Weight 220g Power requirements 6 14V DC 90 200mA FEATURES Automatic guide star search Real time monitoring of guide star position and focus Automatic axis calibration with permanent storage of parameters Adjustable display backlight and buzzer volume Adjustable dual axis aggressiveness High precision 2X sub pixel autoguiding GUIDE STAR BRIGHTNESS...

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