Celestron NEXSTAR EVOLUTION 8HD Guide De Démarrage Rapide page 8

4. Adjust the telescope collimation, if needed, by slightly
adjusting the 3 Phillips head screws in front of the secondary
mirror.
5. If the star pattern is thin on one side, adjust the collimation
so that the star moves towards the thin side, then adjust
the position of the telescope to re-center the star. Repeat this
until you achieve correct collimation.
Secondary Mirror
Collimation
Adjustment
Screws
8
ENGLISH
I
A defocused star where the
secondary shadow is not
concentric to the star pattern
indicates the telescope
requires collimation.
The telescope is collimated
if the defocused star pattern
is concentric as shown.
Two Year Limited Warranty
Your telescope comes with a two year limited warranty. For more detailed information
please visit: celestron.com/pages/warranty
FCC NOTE: This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed
to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications.
However, there is no guarantee that interference will not occur in a particular instal-
lation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to
try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver
is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Product design and specifications are subject to change without prior notification.
This product is designed and intended for use by those 14 years of age and older.
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