BRESSER 8847100 Optik Junior Astro Planetarium with Motor Instruction Manual

8847100 Optik Astro Planetarium with Motor
Instruction Manual

8847100 Optik Junior Astro Planetarium with Motor

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RISK of physical injury!
This device contains electronic components that are powered by either a mains connection or batteries. Never leave a child unsupervised with this device. The device should only be used as per these instructions otherwise there is a serious RISK of ELECTRICAL SHOCK.
Children should only use this device under supervision. Keep packaging materials (plastic bags, rubber bands, etc.) away from children. There is a RISK of SUFFOCATION.
Batteries should be kept out of children’s reach. When inserting batteries please ensure the polarity is correct. Leaking or damaged batteries can cause injury if they come into contact with the skin. If you need to handle such batteries please wear suitable safety gloves.
DANGER of fire and explosion!
Do not expose the device to high tempera- tures. Use only the mains adapter sup- plied or those battery types recommended. Never short circuit the device or batteries or throw into a fire. Exposure to high temperatures or misuse of the device can lead to short circuits, fire or even explosion!
Do not subject the device to temperatures exceeding 60 C.
RISK of material damage!
Never take the device apart. In the event of a defect, please contact the service centre responsible for your Federal Land (as indicated on the warranty card).
Only use the batteries that have been recommended. Always replace low or used batteries with a completely new set of full capacity batteries. Do not combine batteries of different brand, type or capacity. Batteries should be removed from the device after long periods of disuse.
DISPOSAL
Dispose of the packaging material/s as legally required. Consult the local authority on the matter if necessary.
**** Do not dispose of electrical equipment in your ordinary refuse. The European guide- line 2012/19/EU on Electronic and Electrical Equipment Waste and relevant laws applying to it require such used equipment to be separately collected and recycled in an environment-friendly manner.
In accordance with the regulations concerning batteries and rechargeable batteries, disposing of them in the normal household waste is explicitly forbidden. Please pay attention to dispose of your used batteries as required by law – at a local collection point or in the retail market (a disposal in domestic waste violates the Battery Directive).
Batteries that contain toxins are marked with a sign and a chemical symbol. “Cd” = cadmium, “Hg” = mercury, “Pb” = lead.

1. battery contains cadmium
2. battery contains mercury
3. battery contains lead

EC Declaration of Conformity
** Bresser GmbH has issued a “Declaration of Conformity” in accordance with applicable guidelines and correspond- ing standards.
The full text of the EU eclaration of conformity is available at the following internet address: www.bresser.de/download/8847100/CE/8847100_CE.pdf
UKCA Declaration of Conformity
Bresser GmbH has issued a „Declaration of Conformity“ in accordance with applicable guidelines and corresponding standards. The full text of the UKCA declaration of conformity is available at the following internet address: www.bresser.de/download/8847100/UKCA/8847100_UKCA.pdf
Bresser UK Ltd.
Suite 3G, Eden House, Enterprise Way
Edenbridge, Kent TN8 6HF
Great Britain
Light emitting diodes (LEDs):
1 piece, type W42180, N42180, S42180, W42180J, W32180
LED class 1
EN 60825-1:1994 + A1:2002 + A2:2001
Warranty**
The regular warranty period is 2 years and begins on the day of purchase. To benefit from an extended voluntary warranty period as stated on the gift box, registration on our website is required.
You can consult the full warranty terms as well as information on extending the warranty period and details of our services at www.bresser.de/warranty_terms.

Parts overview (figs. 1-3)

1. Planetarium sphere
2. On/off/pause button
3. Button for opening the slide drawer
4. Button for setting the sleep mode (30 or 60 minutes)
5. Knob for setting the date
6. Time frame
7. Objective lens
8. Focus knob
9. Pedestal for the planetarium sphere
10. Slide plates
11. Battery compartment cover
12. Batteriefachabdeckung
13. Battery holder with screw
14. Battery compartment
15. Batteries
16. Button for right-sided image rotation
17. Button for left-sided image rotation
18. Button for activating the shooting stars function
19. Projector for the shooting stars function

Setting up the astro planetarium

Open the battery compartment cover (12) on the underside of the planetarium sphere (1) (Fig. 3). Loosen the screw on the battery holder (13) with a screwdriver (you’ve surely got one at home).
Now lay the 3 batteries (15) into the battery compartment (14) as shown in figure 3.
IMPORTANT: Be sure to place the batteries in so that their positive and negative poles are in the right direction. The little imprints (+/-) in the battery compartment will tell you which direction is right.
After you’ve installed the batteries (15), put the battery holder (13) back on and screw it in.
Finally, you must only set the battery compartment cover (12) on again.
Now place the pedestal for the planetarium sphere (9) on a level and stable surface (e.g. on a table) and lay the planetarium sphere (1) in. The objective lens (7) must be parallel to the projection surface (wall or ceiling) (Fig. 4).
IMPORTANT: The distance between the objective lens and the wall or ceiling should be at least 1.8 to 2 m.
NOTE: Most ceilings are approx. 2,5 m in height. If required, use a tape measure to help you to set the required projection distance.
Finally, turn the planetarium sphere (1) in such a way so that the side directly across from the slide plate holder (7) is pointing north (Fig. 4).

Sky projection with the astro planetarium

Press the button for opening the slide drawer (3).
The tray will open by itself (Fig. 2).
Set one of the two slide plates (10) into the slide plate holder (11). IMPORTANT: Be careful that the protrusions on the holder (11) catch on the notches of the slide plates (10) (Fig. 5).
Now you must enter the time and date for the night sky that you would like to see with your Astro-Planetarium (observation time span). To do this, turn the knob for setting the date (5) until the desired date appears under the time on the time scale (6) (Fig. 6). INFO: The stars, planets, etc, are always differently positioned in the sky because the Earth isrotating. That is what it is not always possible tosee all objects. For this reason, it is important thatyou always set the correct date and time beforestarting a projection with your Astro-Planetarium.![BRESSER 8847100 Optik Junior Astro Planetarium with Motor

• minutes](https://manuals.plus/wp-content/uploads/2023/04/BRESSER-8847100 -Optik-Junior-Astro-Planetarium-with-Motor-minutes.png) Explanation of the time scale (6)
  Only the time span between 8:00 pm and 2:00 am is depicted. During this time, it is possible to see stars in the sky no matter what the season (night sky). Each bar on the scale corresponds to 30 minutes (Fig. 7). Explanation of the knob for setting the date (5)
  With the date scale of the knob, you can set the 365 days of the year according to the month. At 30 days per month, each bar on the scale corresponds to 2 days (Fig. 8). The long lines always represent the last day of the previous month; underneath, the respective following month is always given.
  Some examples of correct time and date set-up
  Example 1:
  You would like to have your Astro-Planetarium project the night sky for July 7, 12:00 am (midnight). Turn the knob for the date set-up (5) until the bar for “12:00 am” is situated above on the time scale (6) between the two short bars be- fore the “10” in the month of July (JUL) (Fig. 9). Example 2:
  You would like to project the night sky for December 30, 10:30 pm with your Astro-Planetarium. Turn the knob for the date set-up (5) until the bar for “10:30 pm” is situated above on the time scale (6) just before the long bar for the month of January (JAN (Fig. 9).Once you have set the observation period, you are ready to start projecting. Close the slide disc holder (11) and press the on/off/ button (2) to start the projection.
  You can make further adjustments to the projection angle for an optimal image on the wall or ceiling by moving the planetarium sphere (1) in the pedestal (9). In figure 11, you can see the possibilities for projecting onto the ceiling (a) or the wall (b).By turning the focus knob (8), you can obtain the correct focus for image projection (Fig. 12). IMPORTANT: The correct distance between the objective lens and the wall or ceiling is between 1.8 and 2 m. If you have tried to focus the image, but it still remains fuzzy, you have probably not chosen the correct projection distance.
  Press the sleep mode button (4) to set the time (30 or 60 minutes) for activating the automatic shut-down function. The corresponding LED lamp will light up. At the designated time, the device will switch itself to sleep mode (also energy saving mode). If you wish to turn off the sleep mode, press the button (4) until the LED lamp goes out. In order to save energy, the projection automatically shuts down after 2 hours. When the astro planetarium is not in use, the device should be turned off simply by pressing the on/off/pause button (2). Remove the batteries from the device if it is out of use for a long period (1 week or more).

Using the image rotation function

Press the button for left-sided rotation (17) to make the night sky projection move in an automatic, anti-clockwise direction. This correspods to the natural motion sequence of the northern hemisphere. You can influence the speed of movement by pressing the button again. In total, there are 6 different speed settings. The LED light flashes according to the set speed. Press the on/off/pause button (2) to stop the rotation. Similarly, image rotation can also be activated and adjusted to the southern hemisphere. In this case, press the button for right-sided rotation (16). All other functions are identical to those for left-sided rotation.
Using the shooting stars function
After activating the image rotation, you can also switch on the shooting stars function. To do this, press the button for activating the shooting stars function (18). Via the shooting stars projector (19), you will now see a comet tail (shooting star) passing through the projected image at regular intervals.
Press the button (18) again to deactivate the shooting stars function.
NOTE: The intervals at which the shooting stars pass through the image can be reduced by increasing the rotation speed.
TIPS on cleaning
Remove the device from it’s energy source before cleaning (remove plug from socket / remove batteries).
Clean the exterior of device with a dry cloth. Do not use cleaning fluids so as to avoid causing damage to electronic components.
Protect the device from dust and moisture. Store the device in the bag supplied or in its original packaging. Batteries should be removed from the device if it is not going to be used for a long period of time.

Technical information

• Projection method: optical
• Observation position: 35° North*
• Constellations: 61
• Stars: 8.000
• Illumination: white LED-lighting with high luminance.
• Constellation-orientation through: Date, time
• Projection space: 1.8 x 2.2 m at 2 m projection distance
• Sleep mode / automatic shut-off: 30 or 60 minutes / 2 hours
• Power supply: 4.5 V AC (from 3 batteries of 1.5 V AA/LR6)

The projection is always given in terms of a viewing location at 35° north latitude. That is a definite point on the Earth. If you are at this position and you look into the sky at the same time as you have indicated on the Astro- Planetarium, you will see the exact same portion of the sky both in the sky and in the projection.

Troubleshooting

It can happen that your Astro-Planetarium doesn’t work properly. That does not mean that there is something wrong with the machine! It is often the case that a small detail was forgotten while you were setting up. For that reason, we have compiled the most common mistakes here so that you can try to fix the problem yourself.

described in the instructions. Pay special attention to the directions of the terminals (+/-).
Maybe the batteries are empty.| Install new, unused batteries as directed in the instructions. Pay special attention to the directions of the terminals (+/-).
projected image is distor- ted, not completely round.| Maybe the objective lens is not per fectly parallel to the projection surface (wall or ceiling).| Try to arrange the planetarium in the pedestal (9) so that the objective lens is Try parallel to the projection surface.
The projected image is fuzzy.| The distance to the projection surface (wall or ceiling) is perhaps too small.| The planetarium be at least 1.8 to 2 m away from the projection surface. Check to see whether the distance is right and correct it if necessary.
The focus may not be adjusted pro perly.| Try to improve the focus of the image by turning the focus knob (8).
The projected image is showing flecks.| The objective lens is dirty.| Clean the objective lens with a clean, lint-free cloth, as described in the instructions.
The planetarium is not projecting the desired portion of the sky| Perhaps the wrong slide plate is in the machine.| Lay the slide plate (10) with the simulation of the sky into the holder (11).
You have probably adjusted the date and time incorrectly.| Adjust the date of the observation time span along with the correct time, as described in the instructions.
The planetarium is only projecting a bright circle of light.| You have almost certainly forgotten to place a slide plate in the machine.| Set one of the two slide plates (10) into the slide plate holder (11).
The projected image is not visible even though the machine is turned on.| The sleep mode has probably been activated.| Turn off the machine with the On/Off switch (2) and after about 10 seconds, turn it back on. You can adjust the sleep mode as described in the instructions.

Contact
Bresser GmbH
Gutenbergstraße 2
46414 Rhede · Germany
www.bresser.de
@BresserEurope
Bresser UK Ltd.
Suite 3G, Eden House, Enterprise Way
Edenbridge, Kent TN8 6HF
Great Britain
Errors and technical changes reserved.

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