SmartStar® MiniTower ProTM
Instruction Manual
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5.5.7. Set Anti-backlash........................................................................................................ 19
5.5.8. Set Key Beep............................................................................................................... 19
5.5.9. Set Mount Type........................................................................................................... 19
5.5.10. Reset All.................................................................................................................... 19
5.5.11. Update Firmware ...................................................................................................... 20
5.5.12. Set gear ratio ............................................................................................................. 20
5.5.13. Set Language............................................................................................................. 20
5.6. Align .................................................................................................................................. 20
5.6.1. One Star Align ............................................................................................................ 20
5.6.2. Two Star Align............................................................................................................ 20
5.6.3. Three-Star Align ......................................................................................................... 20
5.6.4. Dis R.A axis error ....................................................................................................... 20
5.6.5. Test Anti-backlash ...................................................................................................... 20
5.6.6. Polaris Position ........................................................................................................... 20
5.7. PEC Option........................................................................................................................ 20
5.8. Set Up Tracking................................................................................................................. 21
5.9. User Objects....................................................................................................................... 21
5.10. Auto Guide....................................................................................................................... 21
5.11. Park Scope ....................................................................................................................... 21
5.12. To Park Position............................................................................................................... 21
6. Maintenance and Servicing....................................................................................................... 21
6.1. Maintenance....................................................................................................................... 21
6.2. Troubleshooting................................................................................................................. 21
6.3. iOptron Customer Service.................................................................................................. 22
Appendix A. Technical Specifications ......................................................................................... 23
Appendix B. GOTONOVATM 8401 HC MENU STRUCTURE.................................................. 24
Appendix C. GOTONOVATM Star List........................................................................................ 26
Appendix D. Set Up USB-PC Connection ................................................................................... 31
Appendix E. Firmware Upgrade................................................................................................... 38
Appendix F. Use a PC to Control an iOptron Mount ................................................................... 41
Appendix G. RS-232 Command Set............................................................................................. 42
IOPTRON TWO YEAR TELESCOPE, MOUNT, AND CONTROLLER WARRANTY........ 47
WARNING!
NEVER USE A TELESCOPE TO LOOK AT THE SUN!
Looking at or near the Sun will cause instant and irreversible damage to your eye.
Children should always have adult supervision while observing.
3
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1. MiniTower ProTM
Overview
solution for people who are searching for a
capable and portable GOTO telescope
mount to counter light pollution in their
backyards and for travel convenience. With
a standard payload of 33 lbs, a rock solid 2”
stainless steel tripod, metal worm and gear
and two dovetail adaptors, The MiniTower
ProTM is capable of handling various optical
tube assemblies (OTAs). A 10-lbs counter
weight and a secondary dovetail holder are
provided for balancing an OTA weights
more than 10 lbs, or for a secondary OTA.
1.1. MiniTower ProTM Features
MiniTower ProTM is the perfect combination
of capacity and portability.
33 lbs of Payload
Born out of the popular iOptron CubeTM, The
MiniTower ProTM is the ultimate observing
Figure 1. MiniTower Pro Mount and Tripod
luggage. The system takes about 10
minutes to assemble. This unlimited
portability combined with the internal GPS
gives amateur astronomers real flexibility in
selecting an observing site.
Extremely Portable
With all the standard components
(excluding the tripod) fitted in an aluminum
alloy metal case, The MiniTower ProTM can
easily travel in a car or taken as airline
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Figure 2. MiniTower Pro in an aluminum case
connection with ASCOM compliant PC
planetarium programs. With a typical GOTO
Accurate GOTO and Tracking
Equipped with our SmartStar® GOTO
technology, the MiniTower ProTM is one of
the most powerful and accurate GOTO
mounts available on the market. The
standard 8401 hand controller offers a
superb navigation experience with an 8-line
LCD backlit display, a 130,000-object
database, and a USB port for easy
accuracy of
1
arc minute and the
SmartStar® precision auto-tracking, The
MiniTower ProTM will consistently bring the
celestial object of your choice to the center
of the eyepiece and keep tracking for
hours.
5
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Additional Unique Features
level adjustment, dual scope setup with two
dovetails and more-- The MiniTower ProTM
is one of the most user-friendly GOTO
mounts available today.
Equipped with additional features such as
automatic over-current protection, automatic
clutch protection for both axes, easy 3-point
Figure 3. MiniTower Pro with dual scope setup
6
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1.2. MiniTower ProTM Components1
Figure 4. MiniTower Pro Components
Shown in the picture:
1. Tripod Lock
2. Tripod Support
3. Tripod Knob
4. Tripod Rod
10. Primary Dovetail Holder
11. Azimuth Clutch Lock
12. South Alignment Mark
13. Altitude Clutch Lock
5. Level Adjustment Lock (not included
14. Counter Balance Shaft Lock
15. Secondary Dovetail Holder Lock
16. Secondary Dovetail Holder
17. Secondary Dovetail Lock
18. Retractable Counter Weight Shaft
19. Bubble Level Indicator
with MiniTower Pro)
6. Level Adjustment Screw
7. Tripod
8. Mount Base
9. Primary Dovetail Lock
Not shown in picture:
•
•
8401 Hand Controller
Controller Cable
•
•
•
•
•
•
•
AC Adapter
12V DC Adapter with Car Lighter Plug
USB Cable
Counter Weight
Counter Weight Lock Pin
Counter Weight Lock
Hard Travel Case
1 The contents may vary slightly by generation.
7
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2. MiniTower ProTM Assembly
There are two shipping boxes. One box contains the hard case and mount components. The
other box contains the tripod and counterweight.
2.1. MiniTower Pro Assembly
1. Setup tripod. Extend tripod legs to full extension. Then lock
legs using the lock knobs on sides.
Next expand the legs out to their maximum position.
Figure 5
2. Assemble the three prong washer and azimuth clutch lock
(#11) onto the mount base
Washer
#11
Figure 6
3. Carefully position telescope mount onto the tripod by aligning
the three holes on the bottom of the mount base (#8) to the
three level adjustment screws (#6) on the top of the tripod (#7),
hold the mount with your hands.
#6
Adjust level adjustment screws (#6) to level the mount using the
bubble level on the base.
Figure 7
8
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4. Secure the mount to the tripod by using the long tripod rod
(#4). Hand tighten the rod into the bottom of the mount by
turning the tripod knob (#3).
#4 Rod
#3 Knob
Next, slide tripod support (#2) onto bottom of rod (#4). Position
the three edges to fit against the three tripod legs. Then hand
tighten tripod lock knob (#1) to secure the tripod support in
place.
#2
#1
Figure 8
5. Attach an OTA to the primary dovetail holder (#10) using the
primary dovetail lock (#9).
#10
Tighten both the azimuth clutch lock (#11) and the altitude
clutch lock (#13)
#9
Figure 9
6. Plug one end of supplied 6pin RJ-11 cable into either one of
the two HBX (Handbox) sockets on the mount; plug the other
end into the GOTONOVA 8401 hand controller. Plug in 12V
power cable.
Turn on power. Now you are ready to observe. Use the 4 Arrow
keys (▲▼◄►) to rotate the scope Up, Down, Left, and Right.
Use the number key to change the slew speed from the slowest
(1:1X) to the fastest (9:MAX).
The other HBX is reserved for accessories, such as electronic
focuser, laser pointer and autoguider adapter. DO NOT plug
non-iOptron accessories into the unit to avoid damaging
the mount or accessories.
Figure 10
7. This step allows you to attach the counterweight or a second
scope. (note: if you have a light scope less than 10 lbs. on the
primary side, then attaching a counterweight is optional).
#14
#18
First, make sure the altitude clutch lock (#13) is tight. Loose the
counter weight shaft lock (#14), pull the counter weight shaft
(#18) out and tighten the counter balance shaft lock (#14).
#13
Figure 11
9
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If you are attaching a second scope, do not add the
counterweight. Instead, skip to Step 10 to add a second
scope.
8. Slide the counterweight onto the counterbalance shaft (#18).
Next, insert the brass pin into the hole on the counterweight.
groove
Figure 12
Lock
9. Secure the counterweight by tightening the lock knob.
Counter weight is heavy. Please handle with care
to avoid injury!
Figure 13
#16
#17
This step is for attaching a second scope.
10. Attach Secondary Dovetail Holder (#16) by tightening the
holder lock (#15) onto the counterweight shaft (#18).
After sliding your scope into the dovetail holder—secure the
scope by tightening the secondary lock (#17)
#15
Figure 14
dovetail plate that matches the holder. 1.75”
dovetail plates are available from iOptron at
visit an online or local camera store.
2.2. OTA Mounting and
Balancing
The iOptron MiniTower Pro™ can handle
various OTAs. A dovetail plate is needed to
mount an OTA onto the MiniTower Pro
mount. The width of the MiniTower ProTM
dovetail holder is 1.75”.
Some telescopes may not have screw holes
on the bottom. In this case you may need
compatible mounting rings to attach the
dovetail plate. The size of the mounting
rings should match the aperture of your
OTA.
Most telescopes come with a dovetail plate
installed on the bottom of the telescope. If
the size of dovetail plate does not match un-
screw the plate and install an appropriate
The counter weight (CW) is always helpful
to balance the OTA in order to have smooth
10
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and accurate GOTO and tracking. The
heavier the OTA, the more necessary it is
to use a CW. For lightweight OTAs, i.e. 5-6
lbs, however, the CW may not be necessary.
If you have a secondary OTA on the
secondary dovetail holder, make sure you
align it with the primary OTA. This alignment
is done easier during the daytime. Point the
primary telescope to a target at a remote
building or flagpole and center the target in
the eyepiece. Loosen the secondary
dovetail holder lock (#15). Rotate the
secondary OTA around the counter balance
shaft (#18). Center the object in the
eyepiece of the secondary OTA. If the
secondary OTA is tilted, it can be adjusted
by two tilting adjustment screws as shown in
Figure 15 (M6 x 12mm Allen set screws, not
supplied).
Figure 16. Battery compartment for
MiniTower Pro™
The mount will draw a significant amount of
current when performing GOTO and slew
operations. The battery operation time
varies depending on the battery quality and
operation conditions. It could last from
couple of hours to tens of hours. Use only
fresh batteries and do not mix fresh and old
batteries. Insufficient battery power may
cause error messages.
M6 set screws
Figure 15. Secondary Dovetail and set
screws
A combination of a light OTA and a CW can
be used to balance a heavier primary OTA.
2.3. Operate a MiniTower Pro on
Batteries
To install batteries open the battery
compartment door. Pull the battery holder
out from the mount carefully making sure
not to pull the wires loose. Insert 8 AA
batteries (not included) according to the
diagram on the holder. Replace the battery
holder back to the battery compartment and
replace the cover. (See Figure 16)
11
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3.
4. GOTONOVATM 8401 Hand Controller
USB
Port
HBX
Port
Figure 17. GOTONOVA 8401 Hand Controller
GOTONOVATM 8401 hand controller (HC) is the standard controller for a MiniTower Pro, as
shown in Figure 17.
•
•
ENTER: Confirm an input, go to the next
menu, select a choice, or slew the
telescope to a selected object.
Arrow (▲▼►◄): Press ▲▼ buttons to
move a telescope along the DEC
direction, ►◄ to move a telescope
along the RA direction. Brows the menu
or move the cursor in operating menu.
Number Keys: Input numerical values.
Also used to adjust speeds (1: 1X; 2:
4.1. Key Description
•
MENU: Press “MENU” to enter the Main
Menu.
•
BACK: Move back to the previous
screen, or end/cancel current operation,
such as slewing.
•
12
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2X; 3: 8X; 4: 16X; 5: 64X; 6: 128X; 7:
256X; 8: 512X; 9: MAX)
4.2. The LCD Screen
•
Light Key(☼): Turns on/off the red LED
reading light on the back of the
controller.
The 8401 HC is designed to use for both
iOptron’s equatorial (EQ) mount, such as
the
SmartStar®-PR
GOTO
German
Equatorial Mount and the GOTONOVATM
Equatorial Kit, and AltAzimuth (A/A) mount,
which includes all SmartStar® GOTO
mounts and telescopes. It consists of a
large 8-line LCD screen, which displays all
the information as shown in Figure 18. The
user interface is simple and easy to learn.
•
•
•
? Key: For help or extra information.
STOP/0 Key: Stop/Start tracking.
HBX (Handbox) port: connect the HC to
MiniTower Pro mount using a 6-wire
RJ11 cable.
•
USB port: connect the HC to a
Computer via a USB cable.
Figure 18. 8401 HC LCD Information Screen
GPS status: When the power is turned on, it shows “GPS ON”, which means a GPS
•
receiver is connected. When the GPS receiver finds the satellite and receives GPS
signal, it shows “GPS OK”. The “GPS OK” may turn off after few minutes.
Slew speed: It has 9 speeds: 1X, 2X, 8X, 16X, 64X, 128X, 256X(1º/sec),
512X(2º/sec), MAX(4º/sec).
Tracking speed: It has 4 speeds: Cel (celestial), Sol (Solar), Lun (Lunar), Def (user
defined)
•
•
•
Mount Type: EQ is equatorial and A/A altazimuth.
The MiniTower ProTM can be controlled by a
4.3. Connection to a Computer
number of popular astronomy software
programs. For astronomy software that
does not have an embedded iOptron mount
driver, an ASCOM driver and related
platform are needed. Please refer to
Appendix F for more information.
The GOTONOVA hand controller has a
USB port which can be connected to a
computer. This will allow Firmware
Upgrading,
Database
Updating,
or
Planetarium application. A USB2COM driver
is needed to simulate the USB port to a RS-
232 serial port. (see Appendix D)
13
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5.1. Level and Align the Mount
5. Getting Started
5.1.1. Level the Mount.
In order to experience the full GOTO
capability of GOTONOVA technology it is
very important to set up the mount correctly
before observation.
Leveling is critical for a good GOTO and
tracking accuracy.
tripod lock (#1). Make sure the mount is
always leveled.
First, loosen tripod rod (#4) and tripod lock
(#1) a little. Then loosen azimuth clutch lock
(#11) half turn. Check the bubble level
indicator (#19), adjust the level adjustment
screws (#6), and center the bubble in the
indicator. Turn the mount by a hand and
make sure that the mount is leveled on all
sides while turning. Adjust the level
adjustment screws again if the bubble is not
centered while turning.
Tighten the azimuth clutch lock (#11).
Tighten the tripod knob (#3). Tighten the
Figure 19
which means the “SOUTH” mark is pointing
to south and the telescope is pointing
straight up at the zenith. To set the Park
Position, you can:
5.1.2. Initial Positions
Each time the Mount is turned on, the
default position is Parking Position, i.e.,
altitude is 90º0’0” and azimuth is 180º0’0”,
Face the South. Align the Mount to south
by turning the South mark facing south. An
additional compass is needed. There are
two ways to do so. One is loosen the
azimuth clutch lock (#11) a little and
manually turn the Mount to face south. Then
tighten the azimuth clutch lock again. The
other is turn on the mount. Turn the mount
facing south using hand control. Then turn
off the power. Note: Do not put the
compass directly on top of the mount. The
motor parts of the mount could affect the
pointing accuracy of the compass.
#13
(2) Up
(1) South
Point to Zenith. Unlock the altitude clutch
lock (#13) and rotate the telescope to point
up directed at the Zenith. A torpedo level
may help.
Figure 20
Once it is straight re-tighten the altitude lock
to make sure OTA is secure and will not
spin.
5.2. Setting Up the Mount
A MiniTower Pro is equipped with a GPS
receiver, which will receive the local time,
14
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longitude and latitude information from
satellites after the link is established.
However, manual input is still needed for
time zone and Daylight Saving setting.
cursor and using ▲ or ▼ key to toggle
between “W” and “E”, “N” and “S”, using
number key to change the numbers. It is
always a good idea to do your home work to
get the GPS coordinates before traveling to
a new observation site.
A clear sky outside is needed for GPS to
communicate well with the satellites.
The site coordinates information can be
found from internet, such as GPSVisualizer
entering the city name or address. In case
you only find the site information in decimal
format you can convert them into d:m:s
format by multiplying the decimal numbers
by 60. For example, N47.53 can be
changed to N47º31'48”: 47.53º = 47º
5.2.1. Set Up Time Zone
Press MENU button, from the main menu,
scroll down and select “Set up controller”
Select and slew
Sync. to target
Electronic focuser
Set up controller
Align
PEC option
Set up Tracking
+0.53º,
0.8'=0.8x60"=48".
0.53º=0.53x60'=31.8',
Therefore,
47.53º=47º31'48" or 47d31m48s. Same as
N47º31.8’: 31.8’=31’+0.8’, 0.8’=0.8x60”=48”.
User objects
Press ◄ or ► key, move the cursor to the
bottom of the screen to set the time zone
information (add or subtract 60 minutes per
time zone). Enter minutes “ahead of” or
“behind” UT (universal time).
Press ENTER. Scroll down and select “Set
up site”
Set up Local Time
Set up site
Set N/S hemisphere
Set display contrast
Set Eyepiece light
Set Backlight
•
New York City is 300 minutes “behind”
UT
•
•
•
•
Los Angeles is 480 minutes “behind” UT
Rome is 60 minutes “ahead of” UT
Beijing is 480 minutes “ahead of” UT
Sydney is 600 minutes “ahead of” UT
Set anti-backlash
Set Key Beep
All the time zones in North America are
behind UT, as shown in the following table.
So make sure it shows “behind” instead of
“ahead of” UT.
Press ENTER. The longitude and latitude
coordinates will be updated when the GPS
picks up satellite signals. “W/E” means
west/east
hemisphere;
“N/S”
means
north/south hemisphere; “d” means degree;
“m” means minute; and “s” means second.
Hawaii
Set up site info:
Longitude:
W071d27m47s
Latitude:
N42d15m40s
300 Min. behind
-10
-9
600
540
420
300
Alaska
UT
Mountain
Eastern
-7
If for any reason your GPS can’t pick up a
signal you can manually enter the GPS
coordinates. Press ◄ or ► key to move the
-5
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To adjust minutes, move the cursor to each
digit and use the number keys to input
number directly. To change the “behind” or
“ahead of” UT, move the cursor to “ahead”
and using ▲ or ▼ key to toggle between
“behind” and “ahead”. When the number is
correct, press ENTER and go back to the
previous screen.
5.2.3. Set Mount Type
The #8401 hand controller that comes with
the MiniTower Pro can function in both EQ
and AltAz. For the MiniTower Pro you will
need to set the hand controller to function in
AltAz. Scroll down and select “Set Mount
Type”,
For other parts of the world you can find
your “time zone” information online at
Set up site
Set N/S hemisphere
Set display contrast
Set Eyepiece light
Set Backlight
Set anti-backlash
Set Key Beep
Set Mount Type
websites
such
as
DO NOT COUNT DAYLIGHT SAVING
TIME.
5.2.2. Set Up Daylight Saving Time
Scroll up and select “Set up local Time”
Press Enter.
Set up Local Time
Set up site
Set N/S hemisphere
Set display contrast
Set Eyepiece light
Set Backlight
Equatorial Mount
Alt/Azi Mount
Set anti-backlash
Set Key Beep
Select Alt/Azi mount and press ENTER to
go back the previous screen.
Press ENTER.
5.2.4. Set Anti-backlash
Set local time:
2008-06-01 11:55:09
Daylight Saving Time Y
For an Alt/Azi operation, both R.A. and
DEC anti-backlash should be set to 0
step. Scroll down and select “Set anti-
backlash”
Use the ◄ or ► key to move the cursor to
the bottom of the screen, use the ▲ or ▼
button to toggle between “Y” and “N”. Press
ENTER to go back the previous screen. The
local time also can be manually entered in
case of GPS malfunction or testing the
mount inside.
Set up Local Time
Set up site
Set N/S hemisphere
Set display contrast
Set Eyepiece light
Set Backlight
Set anti-backlash
Set Key Beep
The time and site information will be
stored inside HC memory chip. If you are
not traveling to other observation site,
they do not need to be changed.
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Press ENTER. A R.A. anti-backlash will
display:
5.2.6. Initial Star Alignment
A simple star alignment/synchronization can
be performed to improve the GOTO and
tracking accuracy. To do so, after slew the
mount to an object, such as Moon, press
MENU button, scroll down to “Sync. To
Target”, follow the on-screen instruction and
press ENTER.
R.A. anti-backlash:
0150
steps
One steps equal to
1.5 arc second.
An alternate way is to perform an “Easy
One Star Align”. To do so, press MENU
button, scroll down to “Align”, select “Easy
One Star Align” and press ENTER. The
screen will list three bright objects for you to
select from (ex. Moon, Jupiter, Venus).
Select an object using ▲ or ▼ key. Then
press ENTER. Next use the arrow keys to
slew to the object until it is centered in your
eyepiece. Then press ENTER.
To adjust steps move the cursor to each
digit and use the number keys to input
number directly. Press ENTER – “DEC anti-
backlash” will display:
DEC anti-backlash:
0150
steps
One steps equal to
1.5 arc second.
You may need to use the number keys to
change the slewing speed to make the
centering procedure easier.
Move the cursor to each digit and use the
number keys to set the anti-backlash to 0.
Press ENTER to go back the previous
screen.
5.3. Turn Off the Mount
When you are finished observing it is
recommended to return the mount to Park
Position. If the mount is not moved then no
initial set up is needed when you turn on the
mount next time. To park the telescope
press the MENU button, scroll down to
“Park Telescope” and press ENTER. Once
the telescope returns to Park Position turn
the power off.
Press BACK button to go back to main
menu.
5.2.5. Go to the Moon
After performing these set-ups the mount is
ready to GOTO and track objects. One of
the most common objects is the Moon.
6. Use the MiniTower Pro
To slew to the Moon press MENU button.
Select “Select and slew” by pressing the
ENTER button. Select “Planets, Sun,
Moon”, and use the ▲ or ▼ buttons to
select Moon. Press ENTER. The telescope
will automatically slew to the Moon and lock
on. It will automatically begin to track once it
locks on. Use the arrow keys to center the
Moon in your eyepiece if it is not centered.
Or for better performance use Sync to
Target (see instructions later).
6.1. Manual Operation of a
Telescope
You may observe land and astronomical
objects using GOTONOVA’s arrow keys.
After the telescope was assembled
(referring to Section 2. Telescope
Assembly), flip the I/O switch on the
telescope mount to turn on the mount. Use
►,◄,▼ or ▲ buttons to point the telescope
to the desired object. You may need to use
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the number keys to change the slewing
speed. Simply press a number while
slewing to change the slew speed.
•
•
MCG Catalog: consists of 29004
objects. They are listed numerically from
MCG+15 to MCG-05.
Caldwell Catalog: consists of 109
objects.
6.2. Slew to an Object
•
•
Abell Catalog: consists of 2712 objects.
Press the MENU button. From the main
menu, select “Select and Slew.” Select an
object that you would like to observe and
press the ENTER key.
Herschel Catalog: consists of 400
objects.
6.2.3. Comets
The GOTONOVATM 8401 hand controller
has a database of about 130,000 objects.
Use the ► or ◄ buttons to move the cursor
and the ▼▲ buttons to change the
individual number. The check mark (√)
indicates the object is above the horizon,
and a cross mark (X) means it is below the
horizon. In some catalogs those stars below
the horizon will not display on the hand
controller.
This catalog contains up to 190 comets.
This database is customer upgradeable.
6.2.4. Asteroids
This catalog contains up to 4096 asteroids.
This database is customer upgradeable.
6.2.5. Stars:
6.2.1. Planets, Sun, Moon
•
Named Stars: consists of 191 stars with
their common names. They are listed
alphabetically. A list is attached in
Appendix C.
There are 10 objects in the Solar system
catalog.
•
•
Double Stars: consists of 40 double
stars. A list is attached in Appendix C.
6.2.2. Deep sky objects
This menu includes objects outside our
Solar system such as galaxies, star
clusters, quasars, and nebulae.
GCVS Variable Stars: consists of 38624
GCVS variable stars. They are listed
numerically.
•
Named Deepsky Objects: consists of 60
deep sky objects with their common
names. A list of named deep sky objects
is attached in Appendix C.
•
SAO Catalog: consists of 26584 SAO
catalog objects. They are listed
numerically.
6.2.6. Constellations
•
•
Messier Catalog: consists of all 110
objects.
This catalog consists of 88 modern
constellations with their names. They are
listed alphabetically. A list is attached in
Appendix C.
NGC IC Catalog: consists of 7840
objects in NGC catalog and 5386objects
in IC catalog. To select an object from
NGC or IC catalog, move the cursor to
NGC, using▲ or ▼ button to toggle
between NGC and IC. Then move the
cursor to numerical position and use the
number button to select the object.
6.2.7. User Objects
This catalog can consist up to 256 user
predefined objects. These objects need to
be entered before they can be selected for
slewing.
•
UGC Catalog: consists of 12939
objects.
18
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6.2.8. Enter R.A. DEC
6.5.2. Set Up Site
Here you can go to a target by entering its
R.A. and DEC numbers.
Refer to 4.2.1.
6.5.3. Set N/S Hemisphere
Set north or south hemisphere.
6.5.4. Set Display Contrast
6.3. Sync to Target
This operation will match the telescope's
current coordinates to Target Right
Ascension and Declination. After slew to an
object, press MENU—then scroll to “Sync to
Target” and press ENTER. Follow the
screen to do the sync. Using this function
will re-calibrate the computer to the
selected object. Multiple syncs can be
performed if needed.
Use arrow keys to adjust LCD display
contrast.
6.5.5. Set Eyepiece Light
If you have an illuminated-reticule eyepiece
or illuminated polar scope, and it is
supported by GOTONOVA hand controller--
use this option to adjust the light intensity.
“Sync to Target” will only work after “Select
and slew” is performed. Otherwise, the
system may perform incorrectly. You can
change the slewing speed to make the
centering procedure easier. Simply press a
number (1 through 9) to change the speed.
The default slew speed is 64X.
6.5.6. Set Backlight
Adjust LCD and keypad backlight.
6.5.7. Set Anti-backlash
“Sync to Target” does the same thing as
one star alignment except that you choose
the object to “sync” to. One star alignment
chooses the star/object for you.
Use Array Keys to move the cursor and
Number Keys to change the number. 0 is
suggested for Alt/Azi mount. For an EQ
mount, the default setting is 150 for both
DEC and R.A.
6.4. Electric Focuser
6.5.8. Set Key Beep
Turn the key beep on/off.
6.5.9. Set Mount Type
If you have an electric focuser in your
system and it is supported by GOTONOVA,
use this option to adjust the focuser. Use
◄► for coarse tuning and ▼▲ for fine
tuning.
Although MiniTower Pro is an Alt/Azi mount
the controller can be used for either
Equatorial Mount or Alt/Azi Mount. This
command changes between the two
positons (EQ and AltAz).
Refer to your Electric Focuser operation
manual for detailed instruction.
6.5. Set Up Controller
6.5.1. Set Up Local Time
Refer to 4.2.2.
6.5.10. Reset All
Reset all settings to factory default data.
19
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second star. If the star you choose is too
close to the first one, the system will let you
choose another one. When you are aligned
with the second star, two star alignment is
finished. You can reject the suggested star
if it is blocked by the tree or behind the
house.
6.5.11. Update Firmware
Firmware
updating
using
iOptron
Downloader through USB port on hand
controller. (Refer to Appendix E.)
6.5.12. Set gear ratio
“Two Star Align” results will be overridden if
“One Star Align” or “Sync. to Target” is
performed after “Two Star Align.”
Reserved for future products.
6.5.13. Set Language
Select hand controller language.
6.6.3. Three-Star Align
6.6. Align
It will increase the accuracy even higher
and requires an even wider view of the sky.
This basically asks you to choose a third
star to align after two-star align. Three star
alignment is not available for Alt/Azi mode.
This function is used for aligning the
telescope. In addition to “Easy One Star
Align,” the system also provides “One Star
Align” and “Two Star Align” for Alt/Azi
mount. “Three Star Align” is only supported
by EQ mode.
6.6.4. Dis R.A axis error
This only works for EQ mode. This displays
the celestial pole point error. Point error is
zero when you power on the mount (unless
you “Park Telescope” before powering off.
6.6.1. One Star Align
From the main menu select “Align”. Select
“One Star Align”. Use ▲ and ▼ buttons to
select a star and press ENTER. A list of
align planets or stars that are above the
horizon is computed based on your local
time and location. Use arrow buttons to
move the telescope and center the star in
your eyepiece. You can use the number
buttons to change the slew speed.
6.6.5. Test Anti-backlash
This command tests the backlashes in both
R.A. and DEC. The saved numbers will
show in “Set Anti-backlash” menu.
However, if no high accuracy is needed or
your equatorial mount is not a high accuracy
unit (i.e. the worm gear has different
clearance in different positions) you can
omit this procedure.
Press ENTER when finished. If your setup
is leveled well, one star alignment should be
sufficient for good GOTO accuracy. To
increase the accuracy you may choose to
do two star alignment.
This command only works for EQ mode.
6.6.6. Polaris Position
6.6.2. Two Star Align
This shows Polaris position.
Two star alignment will increase the GOTO
accuracy of the mount. It is suggested to do
two star alignment after one star alignment.
Two star alignment requires a wider view of
the sky, since the two align stars need to be
far apart. Select “Two Star Align” in the
Align menu. When you finish the first star,
the system will prompt you to choose the
6.7. PEC Option
Periodic Error Correction (PEC) is not
supported in Alt/Azi mode.
20
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6.8. Set Up Tracking
7. Maintenance and
Servicing
A user can set up tracking in the main menu
by selecting “Set up tracking”. Then the user
can select “Sidereal speed”, “Solar speed”,
“Lunar speed”, and “User defined speed”.
For “User defined speed” this can be
adjusted from 91% to 109% of sidereal
speed by pressing the ▲or ▼ buttons.
7.1. Maintenance
The MiniTower Pro is designed to be
maintenance free. Do not overload the
mount. Do not drop the mount which will
damage the mount or affect the GOTO
tracking accuracy permanently. Use a wet
cloth to clean the mount and hand
controller. Do not use solvent.
6.9. User Objects
Besides various star lists available in the
hand controller --you can add, edit or delete
your own user-defined objects. All data you
enter is supposedly J2000.0 epoch.
If your mount is not to be used for an
extended period, dismount the OTAs and
counterweight. Remove the batteries from
the battery holder if they were installed.
6.10. Auto Guide
7.2. Troubleshooting
This is an advanced function for autoguiding
when a guiding scopes and a camera are
equipped. The GOTONOVA supports
autoguiding through ASCOM protocol, such
as PHD Guiding or Guidedog, or an ST-4
guiding camera (an extra ST-4 to HBX
The following suggestions may be helpful
for the operation of the MiniTower Pro. More
information can be found in our online FAQ
“support”).
adapter is needed).
Please follow the
guiding software for detailed instructions.
1. Error Message “Warning! DEC. (or
R.A.) driver motor over current. Please
check balance.”
(1) Check if the mount or OTA is blocked
by any obstructions.
(2) Try to operate the mount without an
OTA.
(3) Check the power supply. This is a
common reason for this message and
unexpected slew behavior or movement.
which include:
This function is not supported in Alt/Azi
mode.
6.11. Park Scope
This procedure only needs to be done if you
do not move your telescope mount after you
power off the GOTONOVA. Celestial pole
pointing error will be stored to flash memory
and recalled when you power on again.
•
Batteries: Are the batteries fresh? How
long have they been used? (frequent
slewing and GOTO will deplete battery
power very quickly)
6.12. To Park Position
This moves your telescope to park position.
When power is turned on--the mount
assumes the physical position is the park
position. This is its reference point for all
other objects.
•
•
AC or DC adapter: Check the plugs to
the mount and to the power outlet.
Extension cord: Make sure the cord is in
good condition. Power drop along the
extension cord has been known to
cause this error message. Also check all
the plugs and connections.
21
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(4) Check the hand controller cord.
Unplug it and re-plug into the other HBX
port.
4. Star Alignment accuracy; GOTO
accuracy
(1) Leveling (very important).
(2) Site information (minutes ahead or
behind UT, DST).
2. Error Message “Warning! Can not
communicate with DEC motor
controller.”
(1) Check the hand controller cord.
Unplug it and re-plug into another HBX port.
(2) Check the power supply, which
include:
(3) System balancing.
(4) Use most updated firmware.
(5) Select right mount type (A/A).
(6) Set backlash to 0 in both DEC and RA.
(7) Check the power supply, which include:
•
Using the battery? Is the battery fresh?
How long it has been used? (frequent
slew and GOTO will deplete battery
power very quickly)
•
Using the battery? Is the battery fresh?
How long it has been used? (frequent
slew and GOTO will deplete battery
power very quickly)
•
•
Using AC or DC adapter? Check the
plugs to the mount and to the power
outlet.
Using extension cord? Make sure the
cord is in good condition. Power drop
along the extension cord was known to
cause the problem. Also check all the
plugs and connections.
•
•
Using AC or DC adapter? Check the
plugs to the mount and to the power
outlet.
Using extension cord? Make sure the
cord is in good condition. Power drop
along the extension cord was known to
cause the problem. Also check all the
plugs and connections.
7.3. iOptron Customer Service
3. The object is jumping up and down in
the eyepiece or over-slewed, and other
unexpected slew behavior or movement.
(1) Use most updated firmware.
(2) Set backlash to 0 in both DEC and
RA.
If you have a question concerning your
MiniTower Pro contact the iOptron
Customer Service Department. Customer
Service hours are 9:00 AM to 5:00 PM,
Eastern Time, Monday through Friday. In
the unlikely event that the MiniTower Pro
requires factory servicing or repairs, write or
call the iOptron Customer Service
Department first to receive an RMA# before
returning the telescope to the factory.
Please provide details as to the nature of
the problem as well as your name, address,
and daytime telephone number. We have
found that most problems can be resolved
by telephone. So please call first to avoid
returning the telescope for repair. Call toll
free in the U.S. 866.399.4587 or
1.781.569.0200. It is also strongly
suggested that to send technical questions
(3) Check the power supply, which
include:
•
Using the battery? Is the battery fresh?
How long it has been used? (frequent
slew and GOTO will deplete battery
power very quickly)
•
•
Using AC or DC adapter? Check the
plugs to the mount and to the power
outlet.
Using extension cord? Make sure the
cord is in good condition. Power drop
along the extension cord was known to
cause the problem. Also check all the
plugs and connections.
(4) System balancing.
22
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Appendix A. Technical Specifications
Mount
Body Materials
Motor
AltAzimuth Mount
Die-cast Aluminum
Dual-Axis DC Servomotor, DC12V
Aluminum worm wheel/brass worm gear
4 high precision bearings
Dual-Axis, 9-Gear, Electronic
(1×,2×,8×,16×,64×,128×,256×,512×,MAX）
32-channel GPS
Gear
Bearing
Speed
GPS
GOTO System
GOTO accuracy
Resolution
GOTONOVATM 130,000 objects database
1 Arc Min. (Typical)
0.1 Arc Sec.
Tracking
Automatic
Payload
33 lb
Second Payload
Tripod
10 lb
2” Stainless Steel
Battery
Power Requirement
USB Port
AA x 8（Not Included）
DC 12V±2V, >1.2A
Yes
Protocol
ASCOM
Firmware Upgrade
PC Computer Control
Weight with tripod
Yes
Yes
48 lbs. (shipping weight)
23
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Appendix B. GOTONOVATM 8401 HC MENU STRUCTURE
MENU
Select and Slew
Planets, Sun, Moon
Mercury
Venus
Mars
Jupiter
Saturn
Uranus
Neptune
Pluto
Sun
Moon
Deep Sky Objects
Named Deepsky Object
Messier Catalog
NGC IC Catalog
UGC Catalog
MCG Catalog
Caldwell Catalog
Abell Catalog
Herschel Catalog
Comets
Asteroids
Stars
Named Stars
Double Stars
GCVS Variable Stars
SAO Catalog
Constellations
User Objects
Enter R.A. and DEC
Sync. To Target
Electric Focuser
Focus
Set Anti-backlash
24
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Set Up Controller
Set Up Local Time
Set Up Site
Set N/S Hemisphere
Set Display Contrast
Set Eyepiece Light
Set Backlight
Set Anti-backslash
Set Key Beep
Set Mount Type
Reset All
Upgrade Firmware
Set Gear Ratio
Set Language
Align
Easy One Star Align
One Star Align
Two Star Align
Three Star Align
Disp. R.A. Axis Error
Test Anti-backslash
Polaris Position
PEC Option
PEC Play Back
Record PEC
Delete PEC Record
Set Up Tracking
Sidereal Speed
Solar Speed
Lunar Speed
User Defined Speed
User Objects
Add A New Record
Modify Records
Delete One Record
Erase All Records
Auto Guide
Park Scope
To Park Position
25
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Appendix C. GOTONOVATM Star List
GOTONOVA Deep Sky Object List
for 8401, 8402 and 8403
ID No.
1
OBJECT
Andromeda Galaxy
Barnards Galaxy
Beehive Cluster
Blackeye Galaxy
Blinking Planetary Nebula
Blue Flash Nebula
Blue Planetary
NGC # Messier # IC# A(Abell) U(UGC)
224
31
2
6822
2632
4926
6826
6905
3918
7662
6309
7635
6302
6405
1499
6543
3
44
64
4
5
6
7
8
Blue Snowball Nebula
Box Nebula
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
Bubble Nebula
Bipolar Nebula
Butterfly Cluster
California Nebula
Cat's Eye Nebula
Cocoon Nebula
Cone Nebula
6
5146
2264
650-51
1952
Cork Nebula
76
1
Crab Nebula
Crescent Nebula
Draco Dwarf
6888
10822
Duck Nebula
2359
6853
Dumbbell Nebula
Eagle Nebula
27
16
Eight-Burst Nebula
Eskimo Nebula
3132
2392
Flaming Star Nebula
Ghost of Jupiter
Great Cluster
405
3242
6205
7293
13
Helix Nebula
Hercules Galaxy Cluster
Hind's Variable Nebula
Hubble's Variable Nebula
Integral Sign Galaxy
Jewel Box Cluster
2151
1555
2261
3697
4755
26
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35
36
37
38
39
40
41
42
43
44
45
46
47
48
Keyhole Nebula
Lagoon Nebula
Little Gem
3372
6523
6445
6818
6369
7000
6618
1976
3587
8
Little Gem Nebula
Little Ghost Nebula
North American Nebula
Omega Nebula
Orion Nebula
17
42
97
Owl Nebula
Pelican Nebula
Phantom Streak Nebula
Pinwheel Galaxy
Pleiades
5070
6741
598
33
45
57
Ring Nebula
6720
49
50
Ring Tail Galaxy
Rosette Nebula
4038
2237
51
52
53
54
55
56
57
58
59
60
Saturn Nebula
Sextans B Dwarf
Small Magellanic Cloud
Sombrero Galaxy
Spindle Galaxy
7009
5373
9749
292
4594
3115
2024
6514
104
20
Tank Track Nebula
Trifid Nebula
Ursa Minor Dwarf
Whirlpool Galaxy
Wild Duck Cluster
5194
6705
51
11
27
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Modern Constellations
Constellation
Abbreviation
Constellation
Abbreviation
No.
1
2
3
4
5
6
7
8
No.
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
Andromeda
Antlia
Apus
Aquarius
Aquila
And
Ant
Aps
Aqr
Aql
Lacerta
Leo
Leo Minor
Lepus
Libra
Lupus
Lynx
Lyra
Mensa
Microscopium
Monoceros
Musca
Norma
Octans
Ophiuchus
Orion
Lac
Leo
LMi
Lep
Lib
Lup
Lyn
Lyr
Men
Mic
Mon
Mus
Nor
Oct
Oph
Ori
Pav
Peg
Per
Phe
Pic
Psc
PsA
Pup
Pyx
Ret
Sge
Sgr
Sco
Scl
Ara
Aries
Auriga
Boötes
Ara
Ari
Aur
Boo
Cae
Cam
Cnc
CVn
CMa
CMi
Cap
Car
Cas
Cen
Cep
Cet
Cha
Cir
9
Caelum
Camelopardalis
Cancer
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
Canes Venatici
Canis Major
Canis Minor
Capricornus
Carina
Cassiopeia
Centaurus
Cepheus
Cetus
Chamaeleon
Circinus
Columba
Coma Berenices
Corona Australis
Corona Borealis
Corvus
Pavo
Pegasus
Perseus
Phoenix
Pictor
Pisces
Piscis Austrinus
Puppis
Col
Com
CrA
CrB
Crv
Crt
Cru
Cyg
Del
Dor
Dra
Equ
Eri
Pyxis
Reticulum
Sagitta
Sagittarius
Scorpius
Sculptor
Scutum
Serpens
Sextans
Taurus
Crater
Crux
Cygnus
Delphinus
Dorado
Sct
Ser
Sex
Tau
Tel
Draco
Equuleus
Eridanus
Fornax
Gemini
Grus
Hercules
Horologium
Hydra
Hydrus
Indus
Telescopium
Triangulum
Triangulum Australe
Tucana
Tri
For
TrA
Tuc
UMa
UMi
Vel
Vir
Vol
Vul
Gem
Gru
Her
Hor
Hya
Hyi
Ursa Major
Ursa Minor
Vela
Virgo
Volans
Ind
Vulpecula
28
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GOTONOVA Named Star List
for 8401
001 Acamar
002 Achernar
003 Acrux
004 Acubens
005 Adhafera
006 Adhara
007 Al Na’ir
008 Albali
009 Alberio
010 Alchibar
011 Alcor
012 Alcyone
013 Aldebaran
014 Alderamin
015 Alfirk
049 Ascella
097 Kaus Australis
098 Kaus Borealis
099 Kaus Media
100 Keid
101 Kitalpha
102 Kochab
103 Kornephoros
104 Kurhah
105 Lesath
106 Maia
107 Marfik
108 Markab
109 Matar
110 Mebsuta
111 Megrez
112 Meissa
113 Mekbuda
114 Menkalinan
115 Menkar
116 Menkent
117 Menkib
118 Merak
119 Merope
120 Mesartim
121 Miaplacidus
122 Mintaka
123 Mira
145 Rassalas
146 Rasagethi
147 Rasalhague
148 Rastaba
149 Regulus
150 Rigel
151 Rigel Kentaurus
152 Ruchbah
153 Rukbat
050 Asellus Australis
051 Asellus Borealis
052 Aspidiske
053 Atik
054 Atlas
055 Atria
056 Avoir
057 Azha
058 Baten Kaitos
059 Beid
060 Bellatrix
061 Betelgeuse
062 Biham
063 Canopus
064 Capella
065 Caph
154 Sabik
155 Sadachbia
156 Sadalbari
157 Sadalmelik
158 Sadalsuud
159 Sadr
160 Saiph
161 Scheat
162 Schedar
163 Seginus
164 Shaula
165 Sheiak
166 Sheratan
167 Sirius
168 Skat
169 Spica
170 Sterope
171 Sulafat
172 Syrma
016 Algedi
017 Algenib
018 Algiebra
019 Algol
020 Algorab
021 Alhena
022 Alioth
023 Alkaid
024 Alkalurops
025 Alkes
066 Castor
067 Celabrai
068 Celaeno
069 Chara
070 Chertan
071 Cor Caroli
072 Cursa
073 Dabih
074 Deneb
026 Almach
027 Alnasl
075 Deneb Algedi
076 Deneb Kaitos
077 Denebola
078 Dubhe
079 Edasich
080 Electra
081 Elnath
082 Eltanin
083 Enif
084 Errai
028 Alnilam
029 Alnitak
030 Alphard
031 Alphecca
032 Alpheratz
033 Alrakis
034 Alrescha
035 Alshain
036 Altair
124 Mirach
125 Mirfak
126 Mirzam
127 Mizar
128 Muphrid
129 Muscida
130 Nashira
131 Nekkar
132 Nihal
173 Talitha
174 Tania Australis
175 Tania Borealis
176 Tarazed
177 Taygeta
178 Thuban
179 Unukalhai
180 Vega
037 Altais
038 Alterf
085 Fomalhaut
086 Furud
133 Nunki
181 Vindemiatrix
182 Wasat
183 Wazn
184 Yed Posterior
185 Yed Prior
186 Zaniah
187 Zaurak
188 Zavijava
189 Zosma
190 Zubenelgenubi
191 Zubeneschamali
134 Nusakan
135 Peacock
136 Phact
137 Phecda
138 Pherkad
139 Pleione
039 Aludra
040 Alula Australis
041 Alula Borealis
042 Alya
043 Ancha
044 Ankaa
045 Antares
046 Arcturus
047 Arkab
087 Gacrux
088 Giausar
089 Gienah
090 Gomeisa
091 Graffias
092 Groombridge 1830 140 Polaris
093 Grumium
094 Hamal
095 Homan
096 Izar
141 Pollux
142 Porrima
143 Procyon
144 Propus
048 Arneb
29
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GOTONOVA Double Star List
for 8401
No.
Object
Const
SAO
21732
110291
38288
168373
40186
132406
113389
151881
79294
Name
Achird
Alrisha
1
2
3
4
5
6
7
8
Eta
Alpha
Theta
Alpha
Alpha
Sigma
Mu
Alpha
Delta
Alpha
Alpha
Epsilon
HR 3579
Kapa
Psi
Cas
Psc
Per
For
Aur
Fornacis
Capella
Ori
Ori
CMa
Gem
Gem
CMi
Hya
Sirius
Wasat
Castor
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
60198
115756
117112
42642
42661
221234
81298
222199
222321
15384
28737
99587
223603
138917
252019
204545
252838
101145
225938
83958
159665
184415
121658
65485
160332
123107
187600
48796
106316
71121
UMa
Vel
Leo
Algieba
Gamma
HR 4167
Mu
Alpha
Zeta
Vel
UMa
UMa
Leo
Cen
Vir
Dubhe
Mizar
Iota
Gamma
Gamma
Beta
HR 5089
Alpha
Zeta
Gamma
Gamma
Xi
Alpha
Lambda
Zeta
Eta
70
Zeta
Delta
Beta
Porrima
Mus
Cen
Boo
Lup
CrA
Sco
Sco
Oph
Her
Oph
Oph
Sgr
Antares
Marfic
Sabik
Ascella
Cyg
Del
Cyg
Lyr
Rotanev
Tau
Epsilon
67310
double double
30
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Appendix D. Set Up USB-PC Connection
1. Download USB2COM driver (cp2102.zip file for 8401) from iOptron Website
2. Install cp2101(usb2com) driver
Choose the appropriate driver for your OS. In this case is a Windows XP operation system.
Double click on it, and you will see:
Click “Next”.
31
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Select “I accept the terms of license agreement”, and click “Next”
Using the default installation path, c:\SiLabs\MCU\CP210x, or specify your own path by click
“Change”. Click “Next”. Then click “Install”.
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When finished installation, click “Finish”
3. Plug the USB cable to the USB port on your PC, plug the other end of the USB cable
to hand controller. Turn on the power on the mount.
4. Install the Hardware
The computer will find a new hardware and show the following screen
Select “No, not this time” and click “Next”.
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Select “Install from a list or specific location” and click “Next”.
Select “Search for the best driver in these locations,” and check “Include this location in the
search.”
Click on “Browse” and select the cp210x driver from directory
c:\SiLabs\MCU\CP210x\Win2K_XP, click OK.
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Click “Next”. The computer will start to install the driver for the USB2COM. When the installation
is done, click “Finish”.
If the computer shows “find a new hardware” screen again, just repeat the steps in this section
again.
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Now your computer should be ready for Firmware Upgrading; computer communication with the
mount via ASCOM platform; and planetarium software applications. However, you need to find
assigned COM port number for the USB connection. To do so, right click “My Computer”, and
click “Properties”
Click “Hardware”, click “Device Manager”
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Double click on “Ports (COM & LPT)”. Find the COM number and write it down (in the following
figure, it is COM4)
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Appendix E. Firmware Upgrade
1. Download and install Firmware Downloader from iOptron Website
2. Double click and open “iOptron Downloader”
On the interface, select appropriate port using pull-down menu (in this case, COM4):
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Click “Open Data File” and select the appropriate “.bin” file that matches your hand controller.
Then click “Open”. Select “Main Program” in Update Type.
Click “Start Download”
It shows “Please reset GOTONOVA[GOTOSTAR], waiting for connection…”
On the hand controller, press “MENU”, and using ▼▲ scroll to select “Set u controller”, press
“ENTER”, then select “Upgrade firmware”, press “ENTER” and the upgrade will start.
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The upgrade is complete. Turn your mount power off then on again.
Typical Errors:
1. Invalid Port Number: in Device Manager: make sure you have the correct COM port
number for CP210x.
2. Screen is now blank: Wrong “.bin” file: make sure you have the correct “.bin” file for
firmware upgrade.
3. Wrong downloader: you should use iOptron Downloader instead of the Flash
Downloader.
4. Use cp210x driver provided by iOptron. The newest version from SiLab may not work
properly for iOptron’s hand controller.
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Appendix F. Use a PC to Control an iOptron Mount
In general you need the followings to use a PC to control the mount,
1. Download USB2COM driver (cp2102, zip file for 8401 and 8402A)
2. Install USB2COM and establish the connection between the mount and the PC (see
instruction);
3. ASCOM platform (download from http://ascom-standards.org/);
4. iOptron ASCOM drive (download it from iOptron website
5. Planetarium software.
Some company integrated iOptron’s products into their planetarium software, such as
Voyage and The Sky X Pro. Therefore, an ASCOM plug-in will not be needed. Most planetarium
software can be used to control iOptron’s product via ASCOM.
Some other ASCOM drivers such as LX200 Generic ASCOM driver and AstroPhysics
GTO mount driver may also be compatible with the SmartStar® mount.
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Appendix G. RS-232 Command Set
Abbreviations used:
DD or DDD degrees or day of the month depending on the context
HH hours
MM minutes or month depending on the context
MM.M minutes and tenths of minutes
s + or – sign, assumed to be + if omitted
SS seconds
SS.S seconds and tenths of seconds
YY last two digits of the year
General Telescope Information:
Command: :SG sHH#
Response: “1”
Set the offset from Greenwich mean time. The offset can be entered in signed format (-
12 to +12) hours.
Command: :Sg sDDD*MM:SS#
Response: “1”
Set the current longitude. The east is positive while the west is negtive.
Command: :St sDD*MM:SS
Response: “1”
Set the current latitude.
Command: :SL HH:MM:SS#
Response: “1”
Set the current local time.
Command: :SC MM/DD/YY#
Response: 32 spaces followed by “#”, followed by 32 spaces, followed by “#”
Set the current date.
Command: :GG#
Response:
East Longitude E HH:00#
West Longitude W HH:00#
Get the offset from Greenwich mean time.
Command: :Gg#
Response: sDDD*MM:SS#
Get the current longitude.
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Command: :Gt#
Response: sDD*MM:SS#
Get the current latitude.
Command: :GL#
Response: HH:MM:SS.S#
Get the current local time in 24 hour format. Overflows from 23:59:59 to
00:00:00.
Command: :GS#
Response: HH:MM:SS.S#
Get the current local sidereal time in 24 hr. format.
Command: :GR#
Response: HH:MM:SS.S#
Get the current Right Ascension of mount.
Command: :GD#
Response: sDD*MM:SS#
Get the current Declination.
Command: :GA#
Response: sDD*MM:SS#
Get the current Altitude.
Command: :GZ#
Response: sDD*MM:SS#
Get the current Azimuth.
Command: :GC#
Response: MM:DD:YY#
Get the current calendar day.
Telescope Motion
Command: :MS#
Response: “0” if command accepted,
"1Object is below horizon #" the desired object is below 0 degrees altitude. (8
trailing spaces before “#”, 32 total characters plus “#”)
Target command: Slew to the most recently defined RA and DEC coordinates in RA-
DEC mode,
Command: :Mn# :Ms# :Me# :Mw#
Response: (none)
Command motion in the direction specified (n=north, s=south, e=east, w=west) at the
currently selected guide or centering rate. Motion will continue until a quit command is
issued.
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Command: :Qn# :Qs# :Qe# :Qw#
Response: (none)
Stop motion in the specified axis. Note that :Qn# is identical to :Qs#, and :Qe# is
identical to :Qw#. Motion is terminated only if it was not started by a slew (:MS#)
command.
Command: :Q#
Response: (none)
Motion in both axes is stopped, regardless of how the motion was invoked.
Command: :RG#
Response: (none)
Selects guide. If tracking is stopped, turns tracking on.
Command: :RC#
Response: (none)
This command sets to quit guide mode.
Command: :RCn#
Response: (none)
:RC0 # Set moving speed by N-S-E-W Keys to 16x
:RC1 # Set moving speed by N-S-E-W Keys to 64x
:RC2 # Set moving speed by N-S-E-W Keys to 256x
:RC3 # Set moving speed by N-S-E-W Keys to 512x
Command: :pS#
Response: “East#” or “West#”
This command returns the side of the pier on which the telescope is currently
positioned.
Position
Command: :CM#
Response: “Coordinates matched. #”
(there are 5 spaces between “Coordinates” and “matched”, and 8 trailing spaces
before the “#”, the total response length is 32 character plus the “#”.
Calibrate mount. Current Right Ascension and Declination become the commanded
Right Ascension and Declination. This command does the same thing as synchronize to
target. This command should be used after a “:MS#” command has been finished. This
means a GOTO must be done first.
Command: :CMR#
Response: “Coordinates matched. #”
(there are 5 spaces between “Coordinates” and “matched”, and 8 trailing spaces
before the “#”, the total response length is 32 character plus the “#”.
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Calibrate mount. Current Right Ascension and Declination become the commanded Right
Ascension and Declination. This command synchronizes HC coordinate to commanded
coordinate. No GOTO needs to be done first.
Command: :Sr HH:MM:SS.S#
Response: “1”
Define the commanded Right Ascension, RA.
Command: :Sd sDD*MM:SS#
Response: “1”
Define the commanded Declination.
Miscellaneous
Command: :F+# :F-# :FF# :FS# :FQ#
Response: (none)
Advances (F+) or retracts (F-) focus adjust motor on the eyepiece. F+ or F- commands
commence adjustment and :FQ# stops it. If :FS# has been issued previously, then the
focus adjustment will be slow. If the :FF# command has been issued, then the
adjustment will be fast. If neither FF nor FS is specified, the power up default of FS is
assumed.
Command: :F1# :F2# :F3# :F4#
Response: (none)
Set the focus speed to 1.2,3,4, from slow to fast.
Command: :V#
Response: (current servo controller software RS232 command language
version number)
This command returns the current servo controller software RS232 command language
version.
Command: :Vs#
Response: (current servo controller software infomation)
This command returns the current servo controller software information.
Command: :STR0#,:STR1#,:STR2#
Response: ‘1’
This command sets the track rate.
0 - sidereal
1- solar
2- lunar
Command: :GTR#
Response: ‘0’,’1’,’2’
This command gets the current tracking rate.
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0 - sidereal
1 – solar
2 - lunar
Command: :SGS0#,:SGS1#,:SGS2#,:SGS3#,
Response: (none)
This command sets the guide rate.
0 – 1.0X of sidereal
1 – 0.8X of sidereal
2 – 0.6X of sidereal
3 – 0.4X of sidereal
Command: :GGS#
Response: ‘0’,’1’,2,’3’
This command gets the current guide rate.
0 – 1.0X of sidereal
1 – 0.8X of sidereal
2 – 0.6X of sidereal
3 – 0.4X of sidereal
Command: :SE?#
Response: ‘0’,’1’,
This command gets the slewing status.
‘1’ in slewing
‘0 ‘ not in slewing
Command: :GAM#
Response: ‘0’,’1’, ‘2’
This command gets the current mount type.
0 – Altitude/Azimuth type
1 – fork mount
2 – Germany equator mount
Command: :PK#"
Response: ’1’
This command parks the telescope .
Command: : STPKP0#, :STPKP1#, :STPKP2#, :STPKP3#, :STPKP4#,
Response: ’1’
These command sets the mount park position.
0 – original to north pole
1 - Left and vertical
2 - Left and horizon
3 - Right and vertical
4 - Right and horizon
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IOPTRON TWO YEAR TELESCOPE, MOUNT, AND CONTROLLER WARRANTY
A. iOptron warrants your telescope, mount, or controller to be free from defects in materials and workmanship for two years. iOptron
will repair or replace such product or part which, upon inspection by iOptron, is found to be defective in materials or workmanship.
As a condition to the obligation of iOptron to repair or replace such product, the product must be returned to iOptron together with
proof-of-purchase satisfactory to iOptron.
B. The Proper Return Authorization Number must be obtained from iOptron in advance of return. Call iOptron at 1.866.399.4587 to
receive the number to be displayed on the outside of your shipping container.
All returns must be accompanied by a written statement stating the name, address, and daytime telephone number of the owner,
together with a brief description of any claimed defects. Parts or product for which replacement is made shall become the property
of iOptron.
The customer shall be responsible for all costs of transportation and insurance, both to and from the factory of iOptron, and shall be
required to prepay such costs.
iOptron shall use reasonable efforts to repair or replace any telescope, mount, or controller covered by this warranty within thirty
days of receipt. In the event repair or replacement shall require more than thirty days, iOptron shall notify the customer accordingly.
iOptron reserves the right to replace any product which has been discontinued from its product line with a new product of
comparable value and function.
This warranty shall be void and of no force of effect in the event a covered product has been modified in design or function, or
subjected to abuse, misuse, mishandling or unauthorized repair. Further, product malfunction or deterioration due to normal wear is
not covered by this warranty.
IOPTRON DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WHETHER OF MERCHANTABILITY OF FITNESS FOR A
PARTICULAR USE, EXCEPT AS EXPRESSLY SET FORTH HERE. THE SOLE OBLIGATION OF IOPTRON UNDER THIS
LIMITED WARRANTY SHALL BE TO REPAIR OR REPLACE THE COVERED PRODUCT, IN ACCORDANCE WITH THE TERMS
SET FORTH HERE. IOPTRON EXPRESSLY DISCLAIMS ANY LOST PROFITS, GENERAL, SPECIAL, INDIRECT OR
CONSEQUENTIAL DAMAGES WHICH MAY RESULT FROM BREACH OF ANY WARRANTY, OR ARISING OUT OF THE USE
OR INABILITY TO USE ANY IOPTRON PRODUCT. ANY WARRANTIES WHICH ARE IMPLIED AND WHICH CANNOT BE
DISCLAIMED SHALL BE LIMITED IN DURATION TO A TERM OF TWO YEARS FROM THE DATE OF ORIGINAL RETAIL
PURCHASE.
Some states do not allow the exclusion or limitation of incidental or consequential damages or limitation on how long an implied
warranty lasts, so the above limitations and exclusions may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
iOptron reserves the right to modify or discontinue, without prior notice to you, any model or style telescope.
If warranty problems arise, or if you need assistance in using your telescope, mount, or controller contact:
iOptron Corporation
Customer Service Department
6E Gill Street
Woburn, MA 01801
Tel. (866)399-4597
Fax. (781)935-2860
Monday-Friday 9AM-5PM EST
NOTE: This warranty is valid to U.S.A. and Canadian customers who have purchased this product from an authorized iOptron
dealer in the U.S.A. or Canada or directly from iOptron. Warranty outside the U.S.A. and Canada is valid only to customers who
purchased from an iOptron Distributor or Authorized iOptron Dealer in the specific country. Please contact them for any warranty
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