iOptron SkyGuider Pro Quick Start Guide

HowtoRotateorReplaceaSkyGuiderProPolarScope(9/1/2017)
Thisinstructionisnotforpolarscopealignment,norfor
polar scope reticle adjustment. This is for those who
want to rotate the polar scope to align the 12 o’clock
marktotheDECbracketorientation.
Toolneeded:1.5mm,2mmand2.5mmAllenwrenches,
Phillipsscrewdriver
1. Loosentwoscrewsatthefrontofthemountand
two others on the top of a SkyGuider Pro main
boardcoverandremovetheblackcover.

2. Remove the black plastic cover. Remember how
wiresarewrapped.

3. Pullthebeltoffthewormpulley.Thenremovethe
beltfromthesmallmotorpulley.

4. Removethesmallmotorpulleyfromthemotoraxle
byreleaseasetscrewusinga1.5mmallenwrench.
Ifthesetscrewisnotaccessible,youmaygently
turntheblackencoderwheelwithyourfingerto
rotatethemotoraxle.Youneedbeverycarefulnot
to bend the black ticks!Itmayalsoneedalotof
turns.

5. Disconnectbothmotorandbatterycables.

6. RemovethemotorbyreleasetwoPhillipsscrews.

7. Remove two screws that secure the circuit board.
Gently pull the circuit board out of the mount
compartment. There is a LED connection
underneath.

8. DisconnectthepolarscopeLEDcable.


Wirewrapping

iOptron SkyGuider Pro Specifications

General

Mount	Compact single axis tracking EQ
Body material	Die-cast aluminum
RA shaft	Φ35mm, steel
Worm wheel	Φ88mm, 144 teeth aluminum alloy
Worm gear	Φ15.2mm, brass
Bearing	4 pieces
Motor drive	DC servo with optical encoder
Polar scope	AutoAlignTM dark field illuminated (~6º FOV)
Hand controller	Yes (with optional 8408 HC)
Body-base connection	Vixen dovetail, 3/8” socket (1/4” converter)
Alt-Azi adjustable Base	Vixen style saddle, 3/8” socket
Counterweight shaft	Φ20x200 mm w/ 3/8”-16 threads
Counterweight	1.35kg
Payload (MAX)	11 lbs (5kg)
Worm period	600 sec
Tracking	R.A. automatic
Tracking speed	Solar, Lunar. 1X Cel, 1/2 Cel, and N/S
Fast slew speed	144X, forward and reverse
Duration of operation	Up to 20 hours at 20ºC
Guiding port	ST-4 compatible
Camera trigger	Yes
Camera mounting block	Φ62mm, 3/8" post thread
Power requirement	Internal rechargeable battery
Power charge port	Micro USB (5V), 80% charge in 5 hours
Battery type	Li-Poly, 3.7V, 2000mAh
Latitude adjustment range	-30º ~ 65º (with Alt-azi base)
AZ adjustment range	±5°
Level indicator	Level bubble
Operation Temperature	-10~40ºC
Firmware upgrade	Yes (via USB port)
Warranty	One year limited (90 day on battery)

Weight and Dimensions

Mount weight	2.2 lbs (1kg) with battery
Mount weight with base	3.2 lbs (1.450kg) with battery
Alt-Azi adjustable base diameter	Φ80 mm
Body dimension	133x115x95 mm (w/o alt-azi base)