Bresser 47-01170 Mode D'emploi page 13

The more stars you use for the alignment the higher the slewing preci-
sion of your telescope will be.
One-Star Alignment:
Step 2: After you select this option, you will be prompted to select a
target star. The software will select a star that is very visible in the night
sky. If you happen to know of a star you can see with the naked eye,
you can choose it by pressing the up and down arrow keys and then
selecting it with the centre key (5). In most cases, you will want to select
the first option presented to you. Do so by pressing the centre key (5).
Step 3: The telescope will now slew to that star and will prompt you
to centre it in the field of view, which you can do by using the arrow
keys. The star you're focusing on is the brightest star in the region your
telescope is pointing at. When the star is centred, confirm the position
with the centre key (5). The telescope is now aligned.
Two- and Three-Star Alignment:
The procedure is similar to one-star alignment. The only difference is
that you'll have to repeat steps 2 and 3 twice or thrice depending on
the type of alignment you've chosen.
Note: If you have aligned the telescope, don't move it manually. Use
the arrow keys on the handbox to make adjustments. If you do move
it manually or change the tripod orientation, the telescope has to be
realigned.
5. Further Adjustment:
Target Sync:
With this method, you can further improve the alignment of the tel-
escope. After slewing to a star target you know, you can centre the
object precisely in the field of view. Press the centre key (5) and select
'Telescope Align', then 'Target Sync'. The telescope will align to that
target and have more precise positioning for further targets you want
to observe.
Backlash Correction:
You can improve the precision of the telescope by training the back-
lash correction of the axis. This must be done separately for each axis
and is not necessary for most cases.
Simply go to the main menu by pressing the centre key (5) and select
'Telescope Align' and then 'RA BKlash Corr.' to adjust the right ascen-
sion axis (horizontal axis) or 'DEC BKlash Corr.' to adjust the declina-
tion axis (vertical axis). Then follow the on-screen instructions.
Part III – Menus
Initial Start:
Welcome screen
Date and Time
Daylight saving
Status: off
Status: on
Custom Site
Name:
Lon:
Lat:
Zone:
Country & City
Country: up and down
City: left and right
OTA Zero
Main Menu Overview:
• Telescope Align
• One Star Align
• Two Star Align
• Three Star Align
• Target Sync
• RA BKlash Corr.
• DEC Bklash Corr.
• Navigation
• Solar System
• Constellation
• Famous Star
• Messier Catal.
• NGC Catalog.
• IC Catalogue
• Sh2 Catalog.
• Bright Star Cat
Manual_4701180-4701181_de-en-fr-it-es-ru_BRESSER_v082020a.indd 13 Manual_4701180-4701181_de-en-fr-it-es-ru_BRESSER_v082020a.indd 13
Aligns the telescope with a single star
Aligns the telescope with two stars
Aligns the telescope with three stars
Further improves the alignment
of the telescope
Calibrate RA axis backlash
Calibrate DEC axis backlash
Object catalogue of the solar system
Catalogue with the stellar constellations
Famous star catalogue
Catalogue with bright deep-sky objects
Extensive catalogue with broad variety
Catalogue with faint objects
Catalogue with faint objects
Catalogue with bright stars
• SAO Star Catal. Extensive star catalogue
• Customer Objects Allows you to store your own objects
• Input RA and DEC Insert a custom point in the sky
• Custom Land Goal Insert a custom land target
• Utilities
• Current Objects Currently visible objects
• Object Rise/Set Rising and setting time of an object
• Curr. Lunar Phase The current lunar phase
• Timer Timer function
• Alarm Set up an alarm
• Eyepiece FOV Field of view of the eyepiece
• Eyepiece Magn. Magnification of the eyepiece
• Display Illumin. Display brightness
• Parkposition Slew to park position
• Setup
• Time and Date Enter time and date
• Daylight Saving Enable/disable daylight saving
• Site Setting Set the current location
• Country & City Set the current location according to a city
• Custom Site Set the current location by using
GPS coordinates
• Sky/Land Switch between sky and land targets
• Sky Target Setting for sky observation
• Land Target Setting for land target observation
• AZ / EQ Switch between Azimuthal
and equatorial mounting
• Alt Telescope Alt./AZ mount type
• Equ Telescope EQ mount type
• Telescope Mount Configure telescope mount settings
• Tracking Rate Set the tracking rate
• Star Speed
• Solar Speed
• Moon Speed
• Customize Speed
• Language Change the language
• Telescope Model
• Reset Reset to factory settings
Part IV – Observation
After aligning the telescope, the motors in the mount will begin to move
the telescope so that the Earth's rotation is compensated for and the
objects stay in the field of view of the telescope.
Note: If you have aligned the telescope, don't move it manually. Use
the arrow keys on the handbox to make adjustments. If you do move
it manually or change the tripod position, the telescope has to be
realigned.
Once you have aligned the telescope, you can slew to every object in
the night sky. This is done by pressing the centre key (5) on the hand-
box and selecting the 'Navigation' option from the menu.
Select the object catalogue you prefer from the menu by using the
arrow keys. Press the centre key (5) to confirm your selection.
When you select an object catalogue, the first object of the catalogue
will be displayed. You can change the currently displayed object by
pressing the up and down arrow keys.
Select the object you want to view with the telescope by pressing the
centre key (5). The telescope will then slew to that position.
Example: Let's observe Jupiter.
Jupiter is visible in different parts of the world at different times depend-
ing on location, time of year and local conditions.
If it is visible from your location and the telescope is aligned, you can
navigate to Jupiter by following these steps. Press the centre key
(5) on your handbox and select the 'Navigation' option. Move the
selection bar with the arrow keys, then press the centre key (5) for
confirmation.
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