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5.4. Replacing the battery.
The red-dot needs to be bright enough to be seen during the
observation. After some hours of use the brightness may dim until it no longer can be seen. The
battery needs to be replaced. Turn the potentiometer OFF. Now remove the battery cap and the
battery from battery compartment and replace by a new battery (figure 9 and 10). Make sure the
battery clip has a solid contact with the batter base. Place the plastic battery cap back to protect the
battery. Turn the potentiometer on and check if the red-dot is now brighter. When not in use the
finderscope should always be powered OFF to prolong battery’s life.
6. How to use the equatorial mount.
The equatorial mount is a powerful tool for astronomical
observation. The main purpose of an equatorial mount is to accurately point a telescope to a certain
object. There are two axis in the equatorial mount. A R.A. axis and a Dec. axis. The telescope’s tube
sits on the Dec axis. Please take a look at the main parts of the equatorial mount.
Equatorial mount parts description
1- Declination Handle
2- Declination Fixing Knob
3- R.A. Axis
4- Latitude/altitude adjustment
5- Counterweight
6- Counterweight shaft
7- R.A. Handle
8- R.A. Fixing Knob
9- Dec. Axis
Figure 24. Remove battery.
Figure 25. Place battery.
Figure 26. Mount’s main features.
Figure 27. Adjust inclination.
