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National DC-128, Instructions Manual

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National DC-128 Instructions Manual Download Page 2

 

LED indicator light 

Arm 

Head 

Eyepiece tube 

Eyepiece 

Eyepiece locking set 
screw 

Revolving nosepiece 

Objective lenses 

Stage 

Light House 

Swing-out filter holder 

Iris diaphragm lever 

Abbe condenser 1.25 N.A. 

Base 

Specimen holder 

(mechanical stage) 

Fine focus knob 

 

USB output 
terminal

 

4.5 volt 
DC input 

 

4.5 volt DC recharger 

Rack stop 

adjustment screw 

Knobs controlling 

X & Y movement of 

mechanical stage 

Coarse focus 

knob 

Tension adjustment 

collar 

(behind focus knob 

on left side)

 

Knurled locking screws  

(for securing specimen 

 holder to stage)

 

Rheostat intensity 

control knob 

Light On/Off Switch 

Summary of Contents for DC-128

Page 1: ...W TO USE YOUR MICROSCOPE SERIAL NUMBERS 1 Microscope serial number This number etched on inside of small ledge immediately behind stage plate is the number under which your warranty is registered 2 Microscope Motic CD DM number This number found on a white sticker on the bottom of the microscope and on CD sleeve is used for logging on the Motic web site which gives you the ability to download free...

Page 2: ...ser 1 25 N A Base Specimen holder mechanical stage Fine focus knob USB output terminal 4 5 volt DC input 4 5 volt DC recharger Rack stop adjustment screw Knobs controlling X Y movement of mechanical stage Coarse focus knob Tension adjustment collar behind focus knob on left side Knurled locking screws for securing specimen holder to stage Rheostat intensity control knob Light On Off Switch ...

Page 3: ...amera ON 2 EYEPIECE ocular lens Lens closest to the eye magnifies the primary image formed by the objective lens 3 OBJECTIVE TURRET nosepiece Revolving turret which holds objective lenses permits changes of magnification by rotating different powered objective lenses into optical path 4 OBJECTIVE LENS Lens closest to the object being viewed forms first magnified image of the specimen 5 SPECIMEN HO...

Page 4: ...owered by 3 rechargeable AA nickel metal hydride batteries supplied These batteries may be recharged as required using the recharger supplied Each set of batteries may be recharged approximately 500 times before replacing and each charge will provide up to 50 hours of microscope operation The LED component bulb will last for up to 50 000 hours before replacement is required WARNING DO NOT USE regu...

Page 5: ...t b When using 4x and 10x objectives the special neutral filter must be in optical path c When using the higher power 40x and 100x objectives remove filter from optical path d To remove filter grasp filter holder knob and swing out filter holder G Changing magnification a Rotate revolving nosepiece to position 10x objective into optical path b This microscope has been parfocalled which allows chan...

Page 6: ...ith fine focus adjustment at mid range focus on standard slide until sharp image is obtained Rotate rack stop setscrew in clockwise direction until tight tighten locking nut B Coarse focus tension adjustment prevents the stage from drifting down from its own weight and causing the image to move out of focus The tension adjustment has been adjusted to appropriate tension at the factory However afte...

Page 7: ...acing LED element An LED bulb will last up to 50 000 hours so you don t have to do this exercise very often To open the illuminator field lens housing use hex wrench supplied with your microscope to loosen hex screw on side of lens housing Remove lens housing to expose LED bulb Remove bulb by grasping the plastic base of bulb and gently pulling straight up Insert new LED bulb replace lens housing ...

Page 8: ...or rechargeable LED microscope 951 Dustcover 16 tall x 13 heavy duty vinyl with stitched seams 975 001 Carrying case anodized aluminum fabric lining accessory pockets and Velcro straps keyed lock LIMITED LIFETIME WARRANTY Please see our website www nationaloptical com for complete warranty details and exclusions Revised 7 23 13 ...

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