User manual LEICA F12 I

[. . . ] Before installing, operating or using the instruments, read the user manuals listed above. To maintain the unit in its original condition and to ensure safe operation, the user must follow the instructions and warnings contained in these user manuals. Leica F12 I Floor Stand Manual 4 Symbols Used Warning of a danger This symbol indicates especially important information that must be read and complied with. Failure to comply can cause the following: Danger due to hot surface This symbol warns against touching hot surfaces, such as light bulbs. Hazards to persons!Instrument malfunctions and damage. Warning of hazardous electrical voltage This symbol indicates especially important information. Failure to observe can cause the following: Important information This symbol indicates additional information or explanations that are intended to provide clarity. Hazards to persons! [. . . ] If necessary, the focusing arm can be set in a slanted position, for example if the specimen cannot be positioned horizontally under the microscope. For the greatest possible stability, you should extend the small horizontal arm as little as possible in order to reduce a lever effect. For this configuration, the counterscrew must be locked tight with the washer at all times. Be sure to secure the focusing arm using the screw provided! 2. Push the holder of the focusing arm from below into the opening of the small horizontal arm. 4. Modify the tilt of the focusing arm and tighten the locking screw. Leica F12 I Floor Stand Manual 17 Focusing Arm: Configuration 2 for Table Inspections Assembly 1. Push the holder of the focusing arm from the front into the opening of the small horizontal arm. 3 Modify the tilt of the focusing arm and tighten the locking screw. Leica F12 I Floor Stand Manual 18 Focusing Arm: Configuration 3 for Table Inspections In this configuration, the focusing arm is inserted from above. For the greatest possible stability, you should extend the small horizontal arm as little as possible in order to reduce a lever effect. Push the holder of the focusing arm from above into the opening of the small horizontal arm. Leica F12 I Floor Stand Manual 19 Focusing Arm: Configuration for Wall Inspections tion. Specimens on a wall or easel can best be examined using this assembly configura- Assembly 1. Extend the small horizontal arm far out and push the holder of the focusing arm from above into the opening. 3. Additionally secure the focusing arm using the counter-screw and washer provided. 2. Tighten the locking screw. Leica F12 I Floor Stand Manual 20 Alternative: Variable Focusing Arm The variable focusing arm makes it possible to tilt the entire microscope assembly quickly and safely. Adjusting the tilt 1. Hold on to the microscope tightly while the clamping screw is being unscrewed. The system is now parfocally matched to your eyes. Leica F12 I Floor Stand Manual 25 Operation Leica F12 I Floor Stand Manual 26 Adjusting the Joint Resistance Adjusting the joint resistance makes it possible to customize how easy or difficult it is to move the arm. Adjusting the Joint Resistance Loosen the articulation brakes to make the corresponding element move more easily. Tighten the articulation brakes to make it harder to move the corresponding element. Leica F12 I Floor Stand Manual 27 Balancing the Flex-arm For safety reasons, the flex-arm must be balanced after every adjustment to the configuration. During the balancing process, be aware that the microscope side tends to be slightly lighter. Balancing the Flex-arm 1. By manually moving the flex-arm, check whether the microscope side is too light or too heavy. · · If the microscope is too heavy, turn the knob counterclockwise. If the microscope is too light, turn the knob clockwise. knob. Never balance the flex-arm over a specimen. The Leica F12 I is designed for weights between 1. 5 kg and 6. 5 kg. The correct direction of rotation (lighter/ heavier) is indicated below the rotary Leica F12 I Floor Stand Manual 28 Adjusting the Working Height of the Microscope Never adjust the working height over a specimen! Adjusting the working height 1. Carefully release the brake knob on the front end of the flex-arm. 2. Tighten the brake knob. Leica F12 I Floor Stand Manual 29 Safe Transport If the floor stand begins to swing out of control, risk of injury results. [. . . ] Secure the cables using the Velcro strips provided so that the cables cannot get in the way during work. Leica F12 I Floor Stand Manual 36 Appendix Leica F12 I Floor Stand Manual 37 Care and Maintenance General For good optical results, it is important to keep optical components clean. Always cover the stereomicroscope with the dust cover included in the delivery when the instrument is not in use. If an optical surface is very dirty or dusty, flush it using a syringe or clean it using a camelhair brush before attempting to wipe it off. Optical surfaces should be cleaned using a lint-free cloth, lens cloth or cotton swab soaked in methanol or a commercially available glass cleaner. [. . . ]