User Manual

41
most of the turbulent
layers of sky seen closer
to the horizon. Allow the
telescope to adjust to
the temperature of your
observation site before
proceeding; temperature
differences between the
optics and the outside air
can cause distortion in
the images.
2. Center the star with
the 26mm eyepiece, then switch to the 9mm eyepiece. We
recommend aligning the Go-To on the LX65 so that you can
keep the star centered during this process and easily re-
center the star as needed with the AudioStar handbox.
Note: The star must be precisely centered in the eyepiece to
accurately assess the collimation of the telescope.
3. Bring the star out of focus by about 1/2 turn on the focus
knob. The defocused star pattern should look concentric,
with the secondary mirror shadow centered to star pattern.
Everything should look circular as it does in image (3) on the
diagram on page 39. If the pattern is not concentric, or if it
looks elliptical, you will need to make and adjustment to the
primary mirror.
4. The primary mirror cell is adjusted using three adjustment
screws and three locking screws. To collimate the primary
mirror, rst loosen each of the locking screws by turning them
counterclockwise one full turn. Next make a small adjustment
to the necessary adjustment screws and re-center the star
in the eyepiece. Each adjustment screw can tilt the primary
mirror and has limited range of adjustment. Using a 2.5mm
and 4mm Allen wrench, make small adjustments until the
defocused star image looks concentric. When complete
lightly tighten all three locking knobs to secure the mirror in
place. Do not overtighten.
Inspecting the Optics
ANoteAboutthe“FlashlightTest”:Ifaashlightorother
high-intensity light source is pointed down the main
telescope tube, the view (depending upon the observer’s
line of sight and the angle of the light) may reveal what
appears to be scratches, dark or bright spots, or just
generally uneven coatings, giving the appearance of poor
quality optics. These effects are only seen when a high
intensitylightistransmittedthroughlensesorreectedoff
the mirrors, and can be seen on any high quality optical
system, including giant research telescopes.
The optical quality of a telescope cannot be judged by the
“ashlighttest;”thetruetestofopticalqualitycanonlybe
conducted through careful star testing.
Gaging the Movement of
the Telescope
Acommoncomplaintofmanyrst-timetelescopeowners
is that they cannot see the telescope “move” when
the motor drive is engaged. If fact, when the batteries
are installed, the power is on, the telescope is moving.
However, the movement is at the same speed as the hour
handofa24-hourclock;assuch,themovementisdifcult
to discern visually.
To check the movement of your telescope, look at an
astronomical object through the telescope’s eyepiece with
the telescope polar aligned and with the motor drive on.
If the object remains stationary in the eld of view, your
telescope is operating properly. If not, check to ensure that
“Astronomical” is selected in the “Targets” option of the
setup menu.
Updating Your LX65 Firmware
Meadeisconstantlyreningandimprovingtheoperating
rmwarethatcontrolsourcomputerizedtelescopesandwe
even add new features and capabilities from time to time.
Your new LX65 shipped with the most current rmware
at the time of manufacture, but there may well be a new
version available through the AutoStar Updater program
supplied on the AutoStar Suite DVD supplied with your
telescope. The Updater goes online to the Meade web site
and checks to see if there is a newer version available and
can download it directly to the telescope using the #505
Cable Connector Kit. See the instruction sheet included
with the kit for more information.
If you have a question concerning your LX65 telescope,
call the Meade Instruments Customer Service Department
at [phone]. Customer Service hours are 7:00 AM
to 4:00PM,PacicTime,Mondaythrough Friday. In the
unlikely event that the LX65 requires factory servicing
or repairs, before returning the telescope to the factory,
write or call the Meade Customer Service Department
to provide an explanation of the problem, as well as
your name, address and daytime telephone number.
The great majority of servicing issues can be resolved
by telephone, avoiding return of the telescope to
the factory.
CUSTOMER SERVICE