We recommend checking out our discussion threads on the JMI Telescopes EV-XT 3" Motorized Crayford Focuser EVXTNM,
which address similar problems with connecting and setting up Focusers JMI Telescopes.
User manual for the JMI Telescopes EV-XT 3" Motorized Crayford Focuser EVXTNM
The user manual for the JMI Telescopes EV-XT 3" Motorized Crayford Focuser EVXTNM provides
necessary instructions for the proper use of the product Optics - Telescopes - Focusers.
The EV-XT 3" Motorized Crayford Focuser from JMI Telescopes is a replacement focusing system for larger Newtonian telescopes. It is capable of supporting and lifting up to 12 pounds. This is important for astroimaging, astrophotography or when using heavy eyepieces or accessories. The Crayford-style is able to achieve highly precise focusing by its unique metal-on-metal friction system. Since it doesn't rely on tracks and gears, minute adjustments are possible to a degree that rack-and-pinion style focusers are incapable of. The focuser is designed for Newtonian telescopes with mounting holes set 2.75" apart on-center and tube diameters from 10" up to a flat surface.
If you own a JMI Telescopes focusers and have a user manual in electronic form,
you can upload it to this website using the link on the right side of the screen.
You can upload and download the manual for the JMI Telescopes EV-XT 3" Motorized Crayford Focuser EVXTNM in the following formats:
*.pdf, *.doc, *.txt, *.jpg - Other formats are unfortunately not supported.
Additional parameters of the JMI Telescopes EV-XT 3" Motorized Crayford Focuser EVXTNM:
Specifications
Drawtube Travel
1.2" (3 cm)
Maximum Extension
4.9" (12.4 cm)
Maximum Height
3.7" (9.4 cm)
Dimensions (L x W)
3.5 x 3.5" (8.9 x 8.9 cm)
Weight
2.9 lb (1.3 kg)
The user manual for the JMI Telescopes EV-XT 3" Motorized Crayford Focuser EVXTNM can be downloaded in .pdf
format if it did not come with your new focusers, although the seller is
required to supply one. It is also quite common that customers throw out
the user manual with the box, or put the CD away somewhere and then can’t find it.
That’s why we and other JMI Telescopes users keep a unique electronic library
for JMI Telescopes focuserss,
where you can use our link to download the user manual for the JMI Telescopes EV-XT 3" Motorized Crayford Focuser EVXTNM.
The user manual lists all of the functions of the JMI Telescopes EV-XT 3" Motorized Crayford Focuser EVXTNM,
all the basic and advanced features and tells you how to use the focusers.
The manual also provides troubleshooting for common problems. Even greater
detail is provided by the service manual, which is not typically shipped with the product,
but which can often be downloaded from JMI Telescopes service.
If you want to help expand our database, you can upload a link to this website
to download a user manual or service manual, ideally in .pdf format. These pages
are created by you – users of the JMI Telescopes EV-XT 3" Motorized Crayford Focuser EVXTNM. User manuals are also
available on the JMI Telescopes website under Optics - Telescopes - Focusers.
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