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National 156, User Instruction

Introducing the ARIETE 156 espresso machine, designed to elevate your coffee experience at home. This Quick Start Manual provides step-by-step instructions for effortless setup and operation. Easily download this comprehensive manual for free from our website, manualshive.com, and unlock the full potential of your ARIETE 156 machine.

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National Optical & Scientific Instruments Inc.

6508 Tri-County Parkway

Schertz, Texas 78154

Phone (210) 590-9010 Fax (210) 590-1104

INSTRUCTIONS FOR MODELS

156, 156-S, 157

COMPOUND BIOLOGICAL MICROSCOPES

Copyright © 1/2/01

National Optical & Scientific Instrument Inc.

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Summary of Contents for 156

Page 1: ...c Instruments Inc 6508 Tri County Parkway Schertz Texas 78154 Phone 210 590 9010 Fax 210 590 1104 INSTRUCTIONS FOR MODELS 156 156 S 157 COMPOUND BIOLOGICAL MICROSCOPES Copyright 1 2 01 National Optical Scientific Instrument Inc ...

Page 2: ...iece Knurled diopter ring Sliding interpupillary adjustment grips located on both left and right side of diopter scale Mark on side of eyepiece tube for indexing diopter reading Head locking screw Arm of microscope stand Knobs controlling X and Y movement of mechanical stage Coarse focus knob Fine focus knob Power on off switch and fuse holder on back of base Tension adjustment collar behind focus...

Page 3: ...g to another location or shipped for repairs 156 Monocular Stand with head one eyepiece one rubber eyeshield three objectives condenser specimen holder blue filter dust cover 0 9mm L type key wrench for eyepiece socket set screw and tension adjustment collar and 2mm L type key wrench for rack stop adjustment 156 S Monocular Stand with head one eyepiece one rubber eyeshield four objectives condense...

Page 4: ...o one interpupillary distance is corrected for your eyes Check the interpupillary scale and note index reading for future reference in case other users will be changing this adjustment from time to time C Adjust the diopter scales located on each eyepiece tube to the same numerical value as indicated on the interpupillary scale This must be done in order to maintain parfocality of objective lenses...

Page 5: ...n handling the filter do not touch lens surfaces as fingerprints and smudges will result in poor images H Changing magnification a Rotate revolving nosepiece to position 10x objective into optical path b This microscope has been parfocalized which allows changes from one objective to another while requiring only a slight adjustment of the fine focus controls c When changing to the 40x and 100x obj...

Page 6: ...ye loupe for the presence of such contaminants If a microscope is returned to National for warranty repair and it is determined that such contaminants are the problem this is not covered under warranty and National will submit a cost estimate for cleaning 2 MECHANICAL MAINTENANCE A The rack stop screw has been pre adjusted at the factory and should not require re adjustment However if you do attem...

Page 7: ...ages depress fuse cap and rotate turn to lock into fuse holder TROUBLESHOOTING PROBLEM REASON FOR PROBLEM SOLUTION Light fails to operate Outlet inoperative Have qualified service technician repair outlet AC power cord not connected Plug into outlet Lamp burned out Replace lamp Fuse blown Replace fuse 0 5 amp time delay 5mm dia X 20mm long Image does not remain in focus Stage of microscope drops f...

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