Motic DSK Series Manuel utilisateur

Contents

1. Important 3

1.1 Getting Ready 3

1.2 Maintenance and Storage 4

1.3 Caution 4

2. Nomenclature 5

3. Controls 6

3.1 Observation bridge mount 6

3.2 Power supply unit 6

3.3 Large Base 7

4 Operation 8

4.1 Focus Adjustment 8

4.1.1 Focusing at the primary observer Position 8

4.1.2 Focusing at the secondary observer Position 8

4.2 Using the Pointer 9

4.2.1 Pointer Brightness Adjustment 9

4.2.2 Pointer Displacement 9

4.3 Photomicrography Cautions 10

5. Specification 11

5.1 Operating environment 12

6. Assembly 13

6.1 Assembly Diagram 13

6.2 Detailed Assembly Procedure 14

6.2.1 Mounting the Pillar 14

6.2.2 Mounting the Focusing Assembly 14

6.2.3 Mounting the Side by Side attachment 15

7. Mounting 16

7.1.1 Mounting the Microscope Body 16

7.1.2 Mounting the Observation Tubes 16

7.1.3 Mounting the Pointer Illumination 16

7.1.4 Connecting the Power Cord 17

Correct assembly and adjustments are very important for the microscope to manifest its

full performance. If you want to assemble the microscope by yourself, see Chapter,

“ASSEMBLY” first.

1. Important

The Motic DSK is a side-by-side dual viewing stereomicroscope system. As it allows two

observers to sit side by side, it is ideal for education and training purposes. Note that

there are few restrictions on the installation location of this attachment.

The orientation of the images observed by the primary observer and the secondary

observer is the same in both the vertical and horizontal directions.

1.1 Getting Ready

1. This manual pertains only to the DSK attachment. Before using this attachment in

conjunction with the SK500/SK700 Stereo microscope and associated options, make

sure that you have carefully read and understood the corresponding manuals, and

that you understand how the various components of the microscopic system are

used together.

2. The DSK attachment is a precision instrument. Handle it with care and avoid

subjecting it to sudden or severe impact.

3. Do not use the attachment anywhere where it may be exposed to direct sunlight,

high temperature and humidity, dust, or vibrations. (For operating environment

conditions, see Section, “SPECIFICATIONS”

4. Before replacing the pointer illumination bulb, be sure to set the main switch to

“(OFF)”, unplug the power supply unit and other cords and wait until the bulb and

its surroundings have fully cooled down.

5. be sure to use only the specified tungsten bulb when replacing the pointer

illumination bulb.

Applicable bulb 6V1OWGE (mfd. by Hosobuchi Electric Lamp)

6. Do not plug the pointer illuminator cord into any unit except the Motic deliverd power

supply unit.

7. Make sure this attachment is installed in a room where there is as little vibration as

possible and that the work surface on which this attachment is installed is sturdy

and level (with inclination within 5°). If vibration is still noticeable, use a anti-vibration

pad.

8. Before placing a specimen which is sensitive to static electricity (such as a

packaged circuit board) on the stage of the large base, place a conductive mat or

similar object on the stage.

1.2 Maintenance and Storage

To clean the lenses and other glass components, simply blow dirty away using a

commercially available blower and wipe gently using a piece of cleaning paper (or clean

gauze).

If a lens is stained with fingerprints or oil smudges, wipe it gauze slightly moistened

with commercially available absolute alcohol.

 Since the absolute alcohol is highly flammable, it must be handled carefully.

 Be sure to keep it away from open flames or potential sources of electrical sparks for

example, electrical equipment that is being switched on or off.

 Also remember to always use it only in a well-ventilated room.

 The equipment uses plastic resins extensively in its external finish. Do not attempt to

use organic solvents to clean the non-optical components of the microscope. To

clean these components, use a lint-free, soft cloth lightly moistened with a diluted

neutral detergent.

 Never disassemble any part of the microscope as this could result in malfunctions or

reduced performance.

 This equipment should be disposed of by following the rules and regulations of your

national or local government.

1.3 Caution

 If the attachment is used in a manner not specified by this manual, the safety of

the user may be imperiled. In addition, the attachment may also be damaged.

Always operate the equipment as outlined in this instruction manual.

2. Nomenclature

If you have not yet completed the assembly of the microscope yet, see Chapter,

“ASSEMBLY” first.

DSK500

Fig.1

3. Controls

3.1 Observation bridge mount

Fig.2

3.2 Power supply unit

Fig.3a Fig.3b

3.3 Large Base

Fig.4

4. Operation

4.1 Focus adjustment

4.1.1Focusing at the primary observer Position

1. Switch on the main switch on the power supply unit to light up the pointer.

2. Look through the primary observer’s eyepiece to see the pointer. If the pointer is not

visible in the field of view, use the pointer control lever D tobring it into the center of

the field.

3. Loosen the lamp socket clamping knob slightly. Then, while looking through the

eyepiece, turn the lamp socket until the pointer is brightest, then tighten the clamping

knob.

4. Turn the right eyepiece diopter adjustment ring until the pointer is in focus.

5. Look through the right eyepiece and focus on the specimen using the coarse and fine

focusing knobs on the microscope body.

6. Turn the left eyepiece diopter adjustment ring until the specimen is in focus.

The pointer and the coarse and fine focus adjustment knobs can be operated only

from the primary observer’s side. They cannot be controlled by the secondary

observer.

4.1.2 Focusing at the secondary observer Position

Turn the left and right eyepiece diopter adjustment rings until the specimen is in focus.

(When the specimen is in focus, the pointer is also brought in focus.)

4.2 Using the pointer

4.2.1 Pointer Brightness Adjustment

Looking through the eyepiece, set the pointer brightness by turning the brightness control

knob on the power supply unit.

If the eyepiece incorporates micrometer disks, setting the pointer brightness to ” H “ while

observing a dark specimen may generate a pointer ghost image.

Indication Application

H Used with brightfield of view

M Used with normal brightfield observation

L Used with dark field of view (darkfield observation, etc.)

4.2.2 Pointer Displacement

You can move the pointer to any desired location within the field of view by moving the

pointer control lever on the rear up, down, left or right.

When not using the pointer, use the lever to move it outside the field of view.

4.3 Photomicrography cautions

In general, the procedure for taking photographs (including digital camera photographs)

is the same as usual. This section describes special considerations that apply when

taking photographs with the SDK attachment installed.

1. Provided that the primary observer’s position is on the right side, you can take

photographs that include the pointer using a eyepiece adapter.

2. Pointer brightness is set higher than specimen brightness to ensure adequate

contrast. This has the following effects on photographs that are not apparent during

visual observation.

a) Since the pointer is always overexposed when exposure is correct for the

specimen, the pointer color will fade to white in color photographs.

b) When taking a photograph with a photomicrography system with automatic

exposure control, the brightness of the pointer will cause the specimen to be

underexposed. To prevent this, set the photomicrography system’s specimen

distribution compensation dial to the “OVER’ position.

c) Since the effects of the pointer are greater when making long exposures of dark

specimens, first check the exposure time with the pointer illumination turned off.

Then, after turning the pointer illumination back on, make the exposure manually

with the exposure time identified above.

3. Take photographs from the primary observer’s position.

* When taking photographs, be sure to place the reverse incidence prevention cap on

the secondary observer’s eyepieces.

* To avoid reducing stability, do not install the photomicrography system / digital

camera at the secondary observer position.

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