Leisure Time LX20 Manuale Utente

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Contents
7" LX200 Maksutov-Cassegrain Telescope 8",
10", & 12" LX200 Schmidt-Cassegrain Telescope
Introduction
5
1. What is the LX200? An Overview
5
a.   Heavy-Duty Mounts
5
b.   Built-in 64,359 Object Library
5
c.   Altazimuth Mode Operation
5
d.   Terrestrial Operation
5
e.   Keypad and Power Panel Functions
5
2. Standard Equipment
5
Unpacking and Inspection
6
1. What You Should Have
6
2.  Please Look Everything Over
6
3.  Inspecting the Optics
6
4. Caution: All LX200 Owners
6
5. Caution: 10" and 12" LX200 Owners
6
6.  Keypad Version Number
6
Telescope Assembly
7
1. The Field Tripod
7
2. Mounting the Viewfinder
8
a.   Attaching the Viewfinder
8
b.   Focusing the Viewfinder
8
c.   Collimating the Viewfinder
8
3. Attaching the Diagonal Mirror and Eyepiece
8
4. Collimation
8
5.  12" Tube Swing-Through Limits
8
6.  7" Tube Swing-Through Limit
8
7.  Maksutov Fan
8
Quick Start
9
1.  Using the LX200 Manually
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2. Using the LX200 in LAND
9
3.  Using the LX200 in ALTAZ 
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a.   Entering Basic Information
10
b.   Location of the Observing Site
10
c.   Local Time and Date
11
d.   Setting Up the Telescope
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e.   Using the MODE key
12
f.    Library Object Keys
13
4. Star Alignment
13
a.   1-Star with Known SITE
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b.   2-Star with Known SITE
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c.   Unknown SITE
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d.   Which Alignment Method to Use
13
The LX200 Keypad Hand Controller
14
1. ENTER K e y
14
2.  MODE Key
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3. GO TO Key
14
4. Direction Keys
14
5. Speed Keys
14
6. RET Key
14
7. FOCUS Key
15
8. AP Key
15
9. Object Keys
15
      10. PREV and NEXT Keys
15
The LX200 Power Panel
15
1. ON/OFF Switch
15
2.  N/S Switch
15
3. Ammeter
15
4.  DEC Motor Connector
15
5. CCD Connector
16
6. Power 12vDC Connector
16
7. Keypad Connector
16
8. Reticle Connector
16
9. Focuser Connector
16
     10. RS-232 Connector
16
      11. Aux Connector
16
Mode Functions
16
1. Mode 1: Telescope/Object Library
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a.   Telescope Menu File
16
b.   Object Library Menu File
20
2. Mode 2: Coordinates/GO TO
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a.   Coordinates Menu File
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b.   GO TO Menu Option
22
3.  Mode 3: Clock/Calendar
22
4.  Mode 4: TIMER/FREQ
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a.   TIMER = Menu Option
23
b.   FREQ = Menu Option
22
5.  Mode 5: Keypad Off/Brightness Adjust
23
Magnification and Field of View
24
1. Magnification
24
2. Apparent Field and Actual Field
24
Appendix A: Equatorial Wedge
25
1.  8" Equatorial Wedge
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a.   Azimuth Control
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b.   Deluxe Latitude Adjuster
25
2. Superwedge
26
3.  Mounting the Telescope
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4.  Magnetic Compass
27
a.   Setting Magnetic Declination
27
b.   Compass Installation
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c.   Finding True North
28
Appendix B: Equatorial Use
29
1. Celestial Coordinates
29
2.  Lining Up with the Celestial Pole
29
3.  Precise Polar Alignment
30
Appendix C: Star Library and Star Charts
31
1. Alignment Stars
31
2.  Star Charts
32
Appendix D: Object Library
34
1. The LX200 64,359 Object Library
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a.   SAO Catalog
34
b.   UGC Catalog
34
c.   CNGC Catalog
34
d.   1C Catalog
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e.   GCVS Catalog 
35
f.    Star Catalog
35
g.   M (Messier) Catalog
35
h.   Planet Catalog
35
2.  CNGC Catalog
36
3.  STAR Catalog
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4. M (Messier) Catalog
49
Appendix E: Maintaining Your LX200
51
1.    Keeping Your Telescope Clean
51
2. Collimation of the Optical System
52
3.  Right Ascension Lock
53
4.  Behind the Power Panel
53
5.  Factory Servicing and Repairs
53
Appendix F: Personal Computer Control
54
1. The RS-232 Cable
54
2.  LX200 Test Program
54
3.  LX200 Command Set
55
a.   Command Set Formats
55
b.   General Telescope Information
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c.   Telescope Motion
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d.   Home Position
56
e.   Library/Objects
56
f.    Miscellaneous
57
4.  LX200 Demo Program
58
Appendix G: LX200 Specifications
62