SYNGUIDER Ⅱ USER'S MANUAL
GETTING STARTED
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Thank you for choosing the SynGuider. The
SynGuider can guide an equatorial mount
without the help of a computer. It will
improve the image quality and help you
achieve pin-point stars in you long-exposure
photography.
BASIC OPERATIONS
OPERATION UNDER THE NIGHT SKY
SPECIFICATIONS
PREPARING THE SYNGUIDER
ABOUT THE SYNGUIDER II PACKAGE
SynGuider’s Main Body
Par Focal Ring
Hand Pad Guiding Cable Battery Case
M42-to1.25 Adapter
1.25” Extension Barrel
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Please take some time to check your new SynGuider II package and become familiar
with each component. Some parts are installed on the SynGuider main body out of
the box. You will need to uninstall them before using the SynGuider.
SYNGUIDER II MAIN BODY
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FRONT VIEW
REAR VIEW
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CD E F
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A. M42 thread B. Image Sensor C. Power Jack D. USB Port
E. Autoguider Port F. Hand Pad Port G. LCD Screen
PREPARING THE SYNGUIDER
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PREPARING THE POWER SUPPLY
User can use four D type 1.5V batteries (not included) with the battery case as the power
supply for SynGuider. To use a different power supply, it must match the following requirements:
DC 4.5V~14V output voltage, a +5V power supply is recommended.
150mA and up output current
2.1mm power plug, central positive
PREPARING THE IMAGING SYSTEM
The basic requirements for the equipment to use with SynGuider are:
Telescope Mount: Equatorial mount, or Alt-Az mount with a
wedge, with a dual-axis motor drive attached. The motor drive
must be able to accept “ST-4” compatible autoguiding signals.
Connecting Cable: You may use the supplied dual RJ-12 plug
autoguiding cable if the pin configuration of your motor drive is
the same as the diagram shown on the right. An alternative cable
is required if the pin configuration of your motor drive is different.
Guide Scope: An additional telescope with a M42-0.75 thread or a 1.25” eyepiece holder is
required as guide scope. Larger aperture, at least 80mm, helps reduce the exposure time of
the SynGuide, thus yielding more accurate guiding result. The ideal focal length is between
400mm and 1200mm. An adjustable guide scope tube ring and a finderscope or red dot finder
are recommended for searching for a guide star.
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1= NC
2= Ground
3= +RA (left)
4= +DEC (up)
5= -DEC (down)
6= -RA (right)
BASIC OPERATIONS
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It is highly recommended that you familiarize yourself with the basic operations of the SynGuider
indoors before going out under the dark sky.
Option 1: The SynGuider can be threaded onto a telescope with a M42 thread adapter. Generally, this installation method provides the most secure connection. It is best suited for the guide
scope equipped with a finderscope or a red dot finder.
Option 2: Install the M42-to-1.25 adapter to the main body of the autoguider, and then insert and
lock the autoguider into the 1.25 inch eyepiece holder on the guide scope. This installation
method is suitable for using a par-focal eyepiece to search for a guide star due to its convenience
in exchanging the SynGuider for an eyepiece.
ATTACHING SYNGUIDER TO A GUIDE SCOPE
There are two ways to install the SynGuider on a guide scope:
CONNECTING CABLES
Plug the hand pad into the 8 pin RJ-45 connector on the main body of the autoguider.
Plug one end of the guiding cable into the autoguider port on the autoguider and the other end
into the equatorial mount. Plug in the battery case or the power supply of your choice.
READING THE LCD DISPLAY
The LCD display is divided into two zones. The left half of the LCD screen displays text information, such as the menu, data and the status of the device. The right half of the LCD screen displays
the image captured by the optical sensor. In the screen, stars are represented by dots.
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