User manual LEICA DM750 P

[. . . ] Leica DM750 P Manual Chapter overview Safety regulations The Leica DM750 P Get Ready!Care of the Microscope Dimensions 4 15 18 24 36 38 42 Leica DM750 P Manual 2 Contents Safety regulations Safety concept Symbols used in this operating manual Important Notes Instructions on use Health risks and dangers of use Information for the person responsible for the instrument Care instructions Accessories, maintenance and repair Electrical data and ambient conditions The Leica DM750 P Introduction Unpacking Get Ready!Attaching Analyzer Module or Analyzer/ Bertrand Lens Module Viewing Tube Installing Objectives Substage Condenser 4 5 6 7 8 10 11 12 13 14 15 16 17 18 19 20 21 22 Get Set!Basic setup Using the Aperture Condenser Setting up Polarized Light Focusing Viewing Tube Adjustment Koehler Set up Objective Centration Bertrand Lens Operation Time Delay Shutoff Go! [. . . ] Slightly unscrew the set screw located on the top of the Analyzer module. If you wear eyeglasses for microscope viewing, keep the rubber eyeguards folded down. If you do not wear eyeglasses, you may find it useful to unfold the rubber eyeguards in order to block out ambient room light. 2. Align the shape of the polarizing viewing tube with the shape of the module. Insert the dovetail of the polarizing viewing tube into the module and tighten the set screw firmly without forcing it. This precisely positions the body onto the optical axis of the microscope. the raised feature on the eyepiece aligns and is seated with the orientation slot in the right eyetube. Insert the eyepieces into the eyetubes. reticle into the right eyetube so that Install the eyepiece with the crossline Leica DM750 P Manual 20 Installing Objectives objectives are already installed on the nosepiece and the substage condenser is already installed on the stand. In this case, go to section "Operation". If you purchased your Leica DM750 P by components and not by standard configuration, please continue in this section. scope configuration, you will notice the If you have purchased a standard micro- 1. As you rotate the nosepiece clockwise, attach the objectives by screwing them into the nosepiece holes starting with the lowest magnification and advancing to the highest magnification. · the knurled nosepiece ring. Always rotate the nosepiece by using Leica DM750 P Manual 21 Substage Condenser Substage Condenser The Leica DM750 P has an open substage condenser mount. Therefore, the condenser needs to be installed. Adjust the condenser mount to its lowest position using the condenser focus knob on the left-hand side of the substage. Swing the polarizer, which is connected to the bottom of the condenser mount, to the left. 1. Raise the stage to its highest position using the coarse focus knob on the right side of the microscope. Leica DM750 P Manual 22 Substage Condenser (cont. ) 4. Completely loosen the two thumbscrews on the condenser mount. Raise the condenser to its highest position using the condenser focus on the left-hand side of the substage 7. Tighten the thumbscrews to roughly center the substage condenser so that the top lens of the condenser is centered beneath the objective in use. You will more accurately center and focus the condenser when you reach section Koehler Setup. 5. Slide the substage condenser into the fork mount located underneath the stage by aligning the positioning pin on the condenser into the slot on the back of the fork. Leica DM750 P Manual 23 Get Set! Leica DM750 P Manual 24 Basic setup base. Never use an adapter between the power cord and the power source; it will render the grounding feature ineffective. has been grounded to the microscope As a safety precaution, the power cord 2. Plug the microscope power cord into a suitable grounded electrical outlet. Set the illumination control (knob is located on the bottom left-hand side of the microscope stand) to the lowest setting to start. [. . . ] Go! Now all you need to do is change objectives, set the aperture condenser and field diaphragm appropriately for the objective magnification in use, and enjoy the view! Leica DM750 P Manual 37 Care of the Microscope Leica DM750 P Manual 38 General maintenance General Always carry the microscope using two hands. There is a handle on the back of the microscope and an undercut in the front for this purpose. The cord wrap allows you to wrap the cord in such a way that only the length you need is extended. Proper storage of accessories in the appropriate positions is important to keep them safe from loss or damage. [. . . ]