Starman27
professor emeritus
Reged: 01/29/06
Posts: 570
Loc: Illinois, Iowa
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I had my first light with my new to me (used) 14 inch Meade LX200 GPS. At startup it began a process called "Fingerprinting". I have a 12 inch GPS and I have never seen this at start up. BTW both scopes are polar mounted.
I couldn't find anything in the manual.
Thanks.
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Enjoy the dark,
Herman
Meade
14 LX200 GPS SMT
12 LX200 GPS
7 LX200 Maksutov
ETX 125
TAK FS128 NSV
Sky 90II
Lunt LS60ThaDS BF1200
Canon 5D Mark II
Illinois
Iowa
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GeorgeDuke
Carpal Tunnel
Reged: 04/24/03
Posts: 1585
Loc: PARADISE! (So.Florida)
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From Meade 4M site
QUESTION: the scope says it’s doing FINGERPRINTING initializing I have seen no mention of this in manual – what is fingerprinting?
ANSWER: It is determining the errors in the three turns by measuring -exactly- how many arcseconds the encoder is measuring happen between the magnetic index sensings.
I think it has to do with changing the gears such as installing Buck's gears. The mount has to "fingerprint" the new gearing is my guess.
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George
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SkyShed POD XL-3
LX200GPS 203mm f10
StellarVue SV102ED2 Feathertouch Ser#0018
LXD75 GOTO with Orion 16" pier extension
Baader Hyperion 8mm ,13mm, 21mm + FTRs
2" GSO ED barlow, 2" SV Dielectric and Orion Prism Diagonals
Edited by GeorgeDuke (11/01/09 01:14 PM)
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headinsky
member
Reged: 12/01/06
Posts: 50
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Hi, i seen this for the first and only time on my 10" gps after i updated autostar.
regards
ian
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Starman27
professor emeritus
Reged: 01/29/06
Posts: 570
Loc: Illinois, Iowa
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Ian,
I purchased this scope used. I know that it was updated to the latest version of Autostar before I purchased it. I don't know about any gear replacements. My understanding is that it wasn't needed for the 14 inch GPS. The scope was demonstarted in Alt AZ. I used it for the first time in Polar. That's when the message appeared. I tried it again today and iy did not occur again.
Thanks
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Enjoy the dark,
Herman
Meade
14 LX200 GPS SMT
12 LX200 GPS
7 LX200 Maksutov
ETX 125
TAK FS128 NSV
Sky 90II
Lunt LS60ThaDS BF1200
Canon 5D Mark II
Illinois
Iowa
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headinsky
member
Reged: 12/01/06
Posts: 50
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Hi starman,
changing the gears would'nt bring this message up, maybe after a strip down and reboot???. Anyway as you will see below the message indicates that the update is now changeing the behaviour of the smartdrive system, and converting the PEC data to a new format.
the following txt is copied from :-
C:\Program Files\Common Files\ASCOM\Telescope\MeadeLX200GPSHelp.htm
"STARMAN YOUR HELP FILES SHOULD BE IN THE SAME LOCATION"
it states about fingerprinting :-
NOTE: If you upgrade from firmware 3.0i to any 4.xx version, you must power-on, align, then park the scope using the handbox one time. This firmware upgrade alters the Smart Drive behavior, and existing PEC data must be converted to the new format. You should see a special "fingerprinting" phase on the handbox during this initial power-up.
hope that helps
Ian
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Starman27
professor emeritus
Reged: 01/29/06
Posts: 570
Loc: Illinois, Iowa
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Ian.
Thanks. The previous owner did ugrade the software. Interestingly, this message did not appear until I started it up in polar mode. I'm thinking that the previous owner did not go through the process you described.
Thanks. It seems to be behaving normally.
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Enjoy the dark,
Herman
Meade
14 LX200 GPS SMT
12 LX200 GPS
7 LX200 Maksutov
ETX 125
TAK FS128 NSV
Sky 90II
Lunt LS60ThaDS BF1200
Canon 5D Mark II
Illinois
Iowa
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headinsky
member
Reged: 12/01/06
Posts: 50
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Hi Herman,
i can only guess that when he did the demo for you he used a keypad hotkey to bypass smartdrive function.
regards
ian
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dwitek
super member
Reged: 07/03/08
Posts: 157
Loc: White Lake, Michigan
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Congratulations on the new scope. A heckuva setup you have there.
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10" LX200 EMC Classic
Milburn wedge
Peterson Eye-Opener system
2" Dielectric Diagonal
JMI NGF Crayford focuser
Meade DSI Pro III
Meade DSI Pro I as autoguider
Piggybacked Stellarvue SV80ED
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Starman27
professor emeritus
Reged: 01/29/06
Posts: 570
Loc: Illinois, Iowa
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Thask,
If you want to know details look in the "Observatories" Thread for my Post "Everythings chang'in and rearrang'in". I describe the recent modifications and how the piers were designed and constructed.
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Enjoy the dark,
Herman
Meade
14 LX200 GPS SMT
12 LX200 GPS
7 LX200 Maksutov
ETX 125
TAK FS128 NSV
Sky 90II
Lunt LS60ThaDS BF1200
Canon 5D Mark II
Illinois
Iowa
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WirelessDude
sage
Reged: 01/02/08
Posts: 219
Loc: San Tan Valley, AZ, USA
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Yes... A very nice setup there! I was thinking of getting a 14-incher in the ACF/OTA variety which is the largest that can fit into my SkyShed POD.
Also, I see you have a SkyShed pier! I am definitely getting one of those after stumbling around in the dark over my RCX400 tripod legs... 
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SkyShed POD XL
AP1200GTOCP3*
CG5ASGT+GPS/CG5
Gib5+SkyTour/Telepod
12"RCX400+UW/Mitty
12"LX200R OTA
C6XLT OTA
NP127is+1uFocusmaster
Meade80ED+2"MoonliteCF+Cercis
Pronto
TCF-S3/3"Pyxis/PDF
STL-11KM+FW8/AO-L/RGH/e-Finder
Astronomik 50mm LRGB/Ha(6+13nm)/Hb/OIII/SII
ST-8300M/C*
DSI3/2Pro/LPI
Eth6/13+Nag31+CZ8-24 EPs
2"2x/4x PMs/1.25"3x/5x TEs
*=ANY DAY!
Space Photons Observatory
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Starman27
professor emeritus
Reged: 01/29/06
Posts: 570
Loc: Illinois, Iowa
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Actually, I designed the pier over 20 years ago and just modified it to handle the size and weight of the 14 inch. I work with my local blacksmith. He and I have built and modified my piers. If you go to the Observatory section and check out my post "Everythings Chang'in and Rearrang'in" you will see how I modified both of the piers in my observatory. The 14 inch telescoppe pier in shown in the last 2 pages of the thread.
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Enjoy the dark,
Herman
Meade
14 LX200 GPS SMT
12 LX200 GPS
7 LX200 Maksutov
ETX 125
TAK FS128 NSV
Sky 90II
Lunt LS60ThaDS BF1200
Canon 5D Mark II
Illinois
Iowa
|
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