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Hersteller: Nexstar Dateigröße: 1.79 mb Dateiname: 0ec60031-770f-4b74-9337-0fbb45807f74.pdf Unterrichtssprache:

Filter Limits – When an alignment is complete, the NexStar automatically knows which celestial objects are above the horizon. As a result, when scrolling through the database lists (or selecting the Tour function), the NexStar hand control will display only those objects that are known to be above the horizon when you are observing. You can customize the object database by selecting altitude limits that are appropriate for your location and situation. For example, if you are observing from a mountainous location where the horizon is partially obscured, you can set your minimum altitude limit to read +20.. This will make sure that the hand control only displays objects that are higher in altitude than 20.. Observing Tip! If you want to explore the entire object database, set the maximum altitude limit to 90. and the minimum limit to –90.. This will display every object in the database lists regardless of whether it is visible in the sky from your location or not. 22 Direction Buttons –The direction a star moves in the eyepiece varies depending on the accessories being used. This can create confusion when guiding on a star using an off-axis guider versus a straight through guide scope. To compensate for this, the direction of the drive control keys can be changed. To reverse the button logic of the hand control, press the MENU button and select Direction Buttons from the Utilities menu. Use the Up/Down arrow keys (10) to select either the Azimuth buttons (left and right) or Altitude buttons (up and down) and press ENTER. Pressing ENTER again will reverse the direction of the hand control buttons from their current state. Direction Buttons will only change the eyepiece rates (rate 1-6) and will not affect the slew rates (rate 7-9). Goto Approach -lets the user define the direction that the telescope will approach when slewing to an object. This allows the user the ability to minimize the effects of backlash For example, if your telescope is back heavy from using heavy optical or photographic accessories attached to the back, you would want to set your altitude approach to the negative direction. This would ensure that the telescope always approaches an object from the opposite direction as the load pulling on the scope. To change the goto approach direction, simply choose Goto Approach from the Scope Setup menu, select either Altitude or Azimuth approach, choose positive or negative and press Enter. Cordwrap -– Cord wrap safeguards against the telescope slewing more than 360. in azimuth and wrapping accessory cables around the base of the telescope. This is useful any time that the telescope is powered using an external power supply. By default, the cord wrap feature is turned off when the telescope is aligned in altazimuth and turn on when aligned on a wedge. U UUt tti iil lli iit tty yy F FFe eea aat ttu uur rre ees ss Scrolling through the MENU options will also provide access to several advanced utility functions such as anti-backlash compensation and slew limits. GPS On/Off -This feature is only available when using your telescope in conjunction with the optional CN 16 GPS accessory. Allows you to turn off the GPS module. If you want to use the NexStar database to find the coordinates of a celestial object for a future date you would need to turn the GPS module off in order to manually enter a date and time other than the present. Light Control – This feature allows you to turn off both the red key pad light and LCD display for daytime use to conserve power and to help preserve your night vision. Factory Setting – Returns the NexStar hand control to its original factory setting. Parameters such as backlash compensation values, initial date and time, longitude/latitude along with slew and filter limits will be reset. However, stored parameters such as PEC and user defined objects will remain saved even when Factory Settings is selected. The hand control will ask you to press the "0" key before returning to the factory default setting. Version -Selecting this option will allow you to see the current version number of the hand control and motor control software. The first set of numbers indicate the hand control software version. For the motor control, the hand control will display two sets of numbers; the first numbers are for azimuth and the second set are for altitude. Get Alt-Az - Displays the relative altitude and azimuth for the current position of the telescope. Goto Alt-Az -Allows you to enter a specific altitude and azimuth position and slew to it. Hibernate -Hibernate allows the NexStar to be completely powered down and still retain its alignment when turned back on. This not only saves power, but is ideal for those that have their telescopes permanently mounted or leave their telescope in one location for long periods of time. To place your telescope in Hibernate mode: 1. Select Hibernate from the Utility Menu. 2. Move the telescope to a desire position and press ENTER. 3. Power off the telescope....

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