background image

 

 

LED indicator light 

Arm 

Head 

Eyepiece tube 

Eyepiece 

Eyepiece locking set 
screw 

Revolving nosepiece 

Objective lenses 

Stage 

Illuminator condenser 

Swing-out filter holder 

Iris diaphragm lever 

Abbe condenser 1.25 N.A. 

Base 

Power cord 

Specimen holder 

(mechanical stage) 

Fine focus knob 

 

USB output 
terminal

 

12 volt 
DC input 

Main 
Switch

 

 

12 volt 
DC output

 

12 volt DC switching power supply 

Detachable power supply cord 

100v-240v, 50H/60H input 

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)

 

Light intensity 

control knob 

Summary of Contents for DC4-156-S

Page 1: ...ered in separate instructions HOW TO USE YOUR MICROSCOPE SERIAL NUMBERS 1 Microscope serial number This number etched on back arm of microscope is the number under which your warranty is registered 2...

Page 2: ...holder mechanical stage Fine focus knob USB output terminal 12 volt DC input Main Switch 12 volt DC output 12 volt DC switching power supply Detachable power supply cord 100v 240v 50H 60H input Rack...

Page 3: ...ransported or returned to factory for any reason If it becomes necessary to ship the microscope for any reason repack it in the styrofoam container and then pack the styrofoam in another corrugated sh...

Page 4: ...he software documentation in order to utilize some of the unique features provided by the digital camera and software 1 Illumination A Adjust intensity control on side of base to the minimum position...

Page 5: ...another while requiring only a slight adjustment of the fine focus controls c When changing to the 40x and 100x objective lens care must be exercised when positioning these lenses into the optical pa...

Page 6: ...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 Na...

Page 7: ...hnician repair outlet AC power cord not connected Plug into outlet 12 volt DC output plug not plugged into DC power jack Plug 12 volt DC output plug into DC power jack Lamp burned out Replace lamp Ima...

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