
Battery Power Boxes; EE101--Basic Electricity Concepts
Battery Power Supply Design; Measuring Remaining Charge
Battery Tester, Inverters, Capacity & Power Cautions
Battery Connectors, Parallel Battery Charging
Battery Resource Site; Reverse-Power Protection
12v Gel Cell Battery Charging/Restoring Tips
Operating the Classic on 15v or 12v; Reducing 18v to 15v
Voltage Regulator Primer; 12v Battery Charger Recom
Fried 18V Converter; 12V to 18V Converter Found
Adjusting Meade 18V Supply; 1812v Converters
Meade 12v to 18v Converter Alternative
DC Power Source & Inverter; Power Supply Issues
Standard LX200 Fuses; Blowing a Fuse--Solved!
120V-12V Power Supply Recommendations
Power Supply (DC>AC vs DC>AC>DC)
Cables and Connectors/Treatise on LX200 Plugs
Electronic Improvement--Resister Upgrade
Grounding the LX200 & Computer/Camera -Sep page
PC-LX200 Serial Connector Diagram
Dual Serial Ports & USB Laptops; Easy Serial Cable
Serial Cable Pin Out; RS232 Tester, Aux RX232 Port
Wiring Control Panel Aux Plug-In to Power Accs
Power Panel/Cable Problem Solved
LX200 Schematics URLs; Installing Ceramic Resistors
Power Connectors / Cable Management
AC Power Supply Voltage Reduction
See: Running Power to Remote Site:
(Observatory topic in right column)
Set-up procedures developed by list members
Carrying Cases for LX200s, 90s & 50s (also in Europe)
Mod to Military Case; Desert Storm Scope Covers
*Star Testing the LX200; Collimating with a Cheshire?
Simple Collimation Method; New Collimation Page
Daytime Alignment; Collimate With or Without Diagonal?
Advanced Optical Adjustments; Cool Down Times
Maintaining SCT Collimation; SCT Collimation Article
Secondary Mirror Rotating?/Optical Alignment
Tri-Lobed Stars Fixed?; LX200 Corrector Plate Glass?
Laser Collimators? --Stay with Star Test
Using the Kendrick Laser Collimator
SCT Laser Collimation Ep?; Collimation On Symmetry Axis?
Collimation Using Two Telescopes?
Bob's Knobs Collimation Screws/Replacement Procedure
Field Flattener Requires Re-Collimation?

Procedures for aligning & finding objects safely

*See Field Rotation Issues topic below
Modification to Use NGF-S; Derotator Advise

Dew Controller Schematic; Homemade Dew Zappers
Dew Formation & Prevention; DewBuster
Dew Inside Corrector Plate;
Dew Shield Construction & Proper Color

Field Rotation Program in Basic; Calculator
Field Rotation from Misalignment
Rotational Movement in the Image Field

AutoStar User Friendliness Opinion
AutoStar II Updating Problems/Solutions
Autostar Version and Age of LX200GPS
Autostar Sync to Selected Star; Computed Bodies
Autostar Command Set; Low Level Autostar Debug
AutoStar II Commands/Programming Set
AutoStar with Dead Flash ROM; Parking the GPS
Autostar Update Problem-- Missing Named Stars
Undocumented Command--Guide Speed Slewing
Autostar to PC cable; External Antenna in a Dome?
GPS Firmware Posted; Remote Handbox via AutoStar
Computer Interface / Autostar Update Problems
SMT Software & Lost of Contact with TheSky
Updating Satellite Orbital Elements
14" Base Casting Beefed Up?; First Light Reaction
Accurate Time Necessary?; Bolt Holes Same as Classic?
Scope Certification by Independent Company
Schematic Diagrams Sources
Avoiding the Hard Stops; Internal Componet Photos
GPS Model Loses Dates!, RA Motor Stalled
Does GPS Internal Battery Holds Ephemeris Data?
GPS Alignment Stars Not in FOV
Owner's Manual (PDF) link; GPS Tips Source
GPS & Giant EasyGuider; Worth upgrading to GPS?
Optical-Mechanical Alignment, Yahoo GPS Group
GPS Starting-Up Checklist; Focuser Speeds/Control
GPS Only Runs on 12v; RS232 to USB Possible?
RS-232 Cable - GPS same as Classic?; Parking
UHTC Coatings vs Classic Multi-Coatings?
Going to 2" Diagonal Worth It Visually Or Not?
Is SMT Worth It?; GPS Mirror Lock Like Classic?
Focuser Lock Issues; Focus Lock Adjustment
Lining OTA with Black Flocked Paper/Flat-Black Paint
How-To Webpage
Baffling in Regards to Rear Aperture & Diagonals
For
the Classic
Analysis, Long Cables, Multiple Keypads, Repairs
Classic Keypad Codes & Hot Plugging/Unplugging & Mods
Beep Elimination; Experimental Handcontroller
Classic Keypad Replacement Source; Panic Stop?
Button Membrane Repair
See LX200 Miscellaneous topic below
Safe Procedures for manual lifting of the scope

Quick & accurate leveling methods
Thermal Effects in SCTs; Stuck Focuser--Classic
Focus Shift Over Long Sessions; Classic Focuser Removal
Re-Attaching the 12" Classic Focuser Mechanism
Mirror Stabilizing Bolt & Its Effects on Collimation
Mirror Cell Mod; Forcing Mirror Flop; Flop Explained
Reducing Mirror Shift and Improving SCT Focuser
Action Updated, Kit available
Focuser Bearing Mod; Removing Focuser Backlash
Field of View Definition; Connecting FocusMax
Loss of Focus--Resolved; Grease for Baffle Tube
Hartman Focusing Mask vs. Diffraction Focusing
Optimum LX200 Primary/Secondary Spacing
Can the LX200 Mirror Mount Allow Precision Tracking
for Imaging?
Best Focuser?; Building Your Own Electric Focusser
Focusers Compared--JMI, Optec, Aproge, VanSlyke
Focuser Pinouts for Optec TCF-Focuser
Control Panel Package for the Optec TC-Focuser
PCFocus AutoFocus System & FocusAide
Focusing Controller Kit -- LazyFocus
Advice on RoboFocus & FocusMax; Stepper Focuser
Making Artifical Test Stars, Spherical Aberration
Calculating Actual FLs; Optical Defects Simulation SW
Optical Quality Testing: Ronchi Lines?
How PEC Works, Training Experiences, etc.
PEMPro-- Program Reduces PEC (see Software Page 3)
Polar Alignment and PEC Accuracy?
First Pass PEC Graphs After Cleaning
PEC as Related to Drift Align; Elongated Images
PEC and Long-Term RA Drift Solution
PEC Training w/CCD or Manually?
PEC Problem Caused by RA Worm Damage
Difference Between Periodic & Pointing Errors
PEC Training--Constructing Guiding Keypad
Effective Use of PEC with an Autoguider
Guide Correction Speeds?; Training on Different Teeth?
Selected specs including: Weights of OTAs
& Mounts, Giant Tripod Specs; 12" Max Height
Rear Cell Tread Specs; Fork Arm Weights; Baffle tube
When LX200 Made Switch to Metal Dec Bearings, etc.

Advice on dealing with aperture fever.
Power Connector Replacement
Firmware & Keypad Version #s
Powering the Telrad, Hardwiring Telerad to LX200
1x Finder Suggestions; Accurate Finder Registration
Touch-Up Paint; Washer for 2" Diagonal Rotation
Adding a Cooling Fan; Explanning Setting Circles
OTA Moisture Removal; Adapting 12" Forks to 10" OTA
Spiral Search Function for LX200 Classic?
Accessory Attachment Screws, OTA Bolt Removal
Rusting Screws -- Replace or Recondition?
LX200 ScopeSaver /Mounting Assistant/Website
LX200 Saddle Mount; GPS Attachment for Classic
SCT Cooler Review; Internal Mounting of a Barlow
LX200 12" vs. Celestron 14" - Comparsion
Will Meade Upgrade Optics to UHTC?
Supercharging (rebuilding) Service Available
LX200 Scope Repair Service;
Canadian & UK LX200 Repair Services
OTA Removal from Forks
Vibration Suppression Pad Orientation
Lens Cover as Accessory Tray

LX200 Control Software; LX200 Control Commands
LX200 & ST-7 Remote Control; Telescope Control SW
Communicating with LX200; Remote Hi-Precision Slew
Remote LAN & Cables Construction; Wireless vs. Cable
Proper Cable Routing Through Conduit
Lightning Danger; Running Power to Remote Observatory
LX200 Control with Palm; Simple Laptop Connection
Autostar Suites Remote Control Experiences
Remote dome/Scope/Imager control - IP Address?
Parking Tips, Park Software URL, Advice
Parked LX200 in Remote Obs. Know Its Position?
See right colum for general Observing,
Planning, & Time/Lat/Long Setting SW
See for Computer/Remote Control SW
LX200 Alignment Stars w/StarryNight Software
LX Star Databases--Software to Download
LX200 Database Cross Reference Files
SAO Catalog Cross-Refer To Other Star Catalogs
TheSky Database; Earth Centered Univ Object Files
USB/Serial Adapter; COM Port Checkout
MaxIm DL Updated to v4/CCD
Controls Pictor 416XT
Image Management SW; ASCOM Platform 3.0
LunarGOTO SW; Best Pair Alignment Freeware
FITS Photoshop Plugin URL

SCSI Explained; Adaptec Alternatives
Pictor 416/SCSI/WinXP Connection; Deepsky 2000 SW
Substitute for Red Plastic on Laptop Display
Astro Software Collection by Platform URLs
ATC (Advanced Telescope Control); Skymap 6 Utilities
ACP Observatory Control Software;
LX200 Control Centre Software
ScopeDriver Shareware Updated
MaxPoint Software Explained; AstroStack Software
Satellite Observing SW & Tracking Power Supply
Satellite Transits of Moon & Sun Resources
Sky View Cafe planetarium site
Linux in Astronomy; Telescope Programming Group
KStars Planetarium Software under Linux
Double Serial Cable; Alignment Stars & TheSky
UTC Display & NightVision Freeware Updated
Moon Pointing & Tracking SW; AstroArt
RS232 Grounding & Connection Problems
Dual RS232 Wiring (Classic)
TPoint-- software to correct for mount errors
PEMPro -- Must Have Program to Reduce LX200 PEC
Astroart CCD Control Driver for 416XT/XTE
Selecting Astronomy Software - Final Decision
Best Pair II Freeware; Meade Autoguider SW
USB/Serial Port Adapters; Adding Serial Ports
AstroPlanner (Mac & PC); RS232 Troubleshoot Tool
Virtual Atlas of the Moon Software Link
Experiences in Installing LPI Software
DSLR-Focus Software
TheSky (Mac OS), Cable, and the LX200
Mac Astronomy Software; Software by Platform
Connecting the Mac and LX200; AstroStack Software
ScopeDriver Shareware for Mac-- updated
UTC Display & NightVision Freeware Updated
Lat/Long Converters for Mac OS; Best Pair II Freeware
USB/Serial Adapter for Macs; Desktop Space Images
AstroPlanner SW; Terrabrowser SW; Solscape
Firewire camera control software
Sky View Cafe planetarium site
Image Stacking SW; OpticsCalc--Optical Calculator

Astro Software for the PalmPilot & Handspring Visor
Palm/GPS Use; Palm/WinCE Astro & Control Software


See Fuses in Battery topic; Water Damaged Electonics
No N, S, E, W Slew, Inconsistant Boot-Up Problem
RA Initialization Sequence Info; Stopped clocks
"MEADE" Only Display on Hand Controller
List of Common Failures (Classic)
Canadian & UK LX200 Repair Services
Slewing, Finding Home, Hand Paddle, Dec Binding,
Componet Temps, OTA Dimensions, Max load, etc.
Purchase Advise; 16" GPS & ST-9 with Derotator?
16" Mirror Removal, EZ Focus Kit, Focuser Fix/Mods
16" CCD Connector Pin Out; Disassemble Drive Base
Motion Limiting System / PEC Retraining & Problems
RA Drive Problem & Photos; 1 or 2 RS232 Ports?

Gear Grease Recommedations; Cleaning Procedures
Repair suggestions for Classic keypad
Sources for circuit board schematics on-line
Mirror Removal/Installing; Baffle Tube Off-Center
Removing/Replacement Corrector Plate Procedures
Select from below:
Improving LX200 Pointing Accuracy--
Original OTA/Fork Alignment Procedures
Alternate 1, OTA/Fork Alignment Procedures
Alternate 2, OTA/Fork Alignment Procedures
LX200 Fork Mis-Alignment Solution
OTA Bolt Removal
Also see "Pointing Accuracy & 'GoTo' Issues" below.

Tests for Pointing Accuracy; Fork Flexing Issues
Centering Test; Best stars for Polar Iteration
TPoint Software and the LX200
Excellent Pointing Accuracy Detailed
RA Runaway Condition; RA Slewing Overshooting
RA Drive Noise Fix, Drive Repair & How It Works
RA Motor Problem Erratic Slewing- FIXED
Tracking/Noise Problem Solution--Metal Chips in RA
RA Disassembly/Removing Lower RA Bearing
RA Drive Binding Problem;
RA Runaway Repair Webpage
Analysis and Repair of Dec & RA Drives URL
LX200 Base Construction & Limitations
Removing Dec/RA Motor Clutch Plates
Image Vibration Solved (Jittery/Jerky Tracking)
Replacing Worm Gear Spring/Mod for Adjusting
Atmospheric Refraction Adj; RA Setting Circle Use
Bias Weighing the OTA vs. Elastic Pulling
Loose RA Motor?; Worm Wheel Lapping
Dec Axis Assembly Adjustment/Repair Procedure
Motor Failures & Study; Backlash/Slop, Some Fixes
Dec Overshooting; Retrograde Motion Fixes
Aligning/Adjusting Dec Setting Circle
Dec Backlash Compensation South of the Equator?
Drive Photos; Rebuild/Bearing Replacement
Dec Tweaking & Mods; Dec Runaway Causes
Dec Runaway Motor Problem (see LX200 Dead!
Dec Runaway Repair Webpage
Dec Encoder Wiring Repair; cable replacement URL
Description, Analysis, & Repair of Dec & RA Drives

DEC Cable Repair/Source for replacement
Loose Dec Clutch Fix; Melting Tantalum Capacitor
Reading the LX200 Dec Scale; Dec Drive Test Points

Eliminate of Hi-Freq. Vibrations, Image Vibrations--
Jittery / Jerky Tracking, AO-7 & Sensor

Instruction sheet on installing the Classic service kit
