Leica DM750 M Manuale utente

Leica DM750 M

User Manual

Leica DM750 M User Manual 2

Published in October 2019 by:

Leica Microsystems (Schweiz) AG

Max Schmidheiny Strasse 201

CH-9435 Heerbrugg (Switzerland)

In case of questions, please contact the hotline:

[email protected]om

Manufacturer Information

Leica DM750 M User Manual 3

Chapter Overview

Safety Regulations 5

Assembling the Leica DM750 M 16

Use 25

Conversion and Use with Transmitted Light 32

Care of the Microscope 46

Leica DM750 M User Manual 4

Contents

Manufacturer Information 2

Chapter Overview 3

Safety Regulations

Safety Concept 6

Symbols Used in this Instruction Manual 7

Important Notes 8

Instructions on Use 9

Health Risks and Dangers of Use 11

Information for the Person Responsible for the Instrument 12

Care Instructions 13

Accessories, Maintenance and Repair 14

Electrical Data and Ambient Conditions 15

Assembling the Leica DM750 M

Assembling the Incident Light Axis 17

Assembling the Viewing Tubes 18

Leica EZ Viewing Tube with Integrated Eyepieces 19

Leica Standard Tube with Separate Eyepieces 21

Eyecups 22

Installing Objectives 23

Conversion to Incident Light Polarization 24

Use

Switching on the Microscope 26

Modifying the Aperture Diaphragm 27

Illumination Scenarios 28

Automatic Shutoﬀ of Illumination 30

Using Specimen Holders 31

Conversion and Use with Transmitted Light

Optional Koehler Illumination 33

Installing the Condenser 34

Switching on the Microscope 36

Complete Condenser Centering 37

Using the Condenser 38

Preparation for Viewing a Specimen Slide 39

Focusing 40

Viewing Tube Adjustment 41

Koehler Conﬁguration 44

Care of the Microscope

General Maintenance 47

Leica DM750 M User Manual Safety Regulations 5

Safety Regulations

Leica DM750 M User Manual Safety Regulations 6

Safety Concept

The individual modules of the Leica DM micros-

copy series include an interactive CD-ROM with

all relevant user manuals in several languages.

Keep it in a safe place, and readily accessible

to the user. User manuals and updates are also

available for you to download and print from

our website at www.leica-microsystems.com.

This user manual describes the special func-

tions of the individual modules of the Leica

DM microscopy series and contains important

instructions for their operational safety, main-

tenance, and accessories.

The "Safety concept" booklet contains addi-

tional safety information regarding the service

work, requirements and the handling of micro-

scope, accessories and electrical accessories as

well as general safety instructions.

You can combine individual system articles with

articles from external suppliers. Please read the

user manual and the safety requirements of the

supplier.

Before installing, operating or using the instru-

ments, read the user manuals listed above. In

particular, please observe all safety instructions.

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 DM750 M User Manual Safety Regulations 7

Symbols Used in this Instruction Manual

Warning of a danger

This symbol indicates especially impor-

tant information that is mandatory to

read and observe.

Failure to comply can cause the following:

OHazards to personnel

OFunctional disturbances or damaged

instruments

Warning of hazardous electrical voltage

This symbol indicates especially impor-

tant information that is mandatory to

read and observe.

Failure to comply can cause the following:

OHazards to personnel

OFunctional disturbances or damaged

instruments

Danger due to hot surface

This symbol warns against touching

accessible hot surfaces, e.g. those of

light bulbs.

Important information

This symbol indicates additional infor-

mation or explanations that intend to

provide clarity.

Explanatory notes

fThis symbol within the text points to addi-

tional information and explanations.

Instructions for disposing of the

instrument, accessory components,

and consumables.

Leica DM750 M User Manual Safety Regulations 8

Important Notes

Description

The Leica DM750 M microscope meets today's

state of the art of technology. Nevertheless,

hazards may still arise during operation. The

potential risks are described below.

Before installing, operating or using the

instrument, it is mandatory to read this

user manual. In particular, please observe all

safety instructions.

User manual

This user manual includes important instruc-

tions related to operating safety, maintenance

and accessories.

Your Leica DM750 M microscope comes

with an interactive CD-ROM with all

relevant user manuals. Keep it in a safe place,

and readily accessible to the user. User manu-

als and updates are also available for you

to download and print from our website at

www.leica-microsystems.com.

Accessories from third-party suppliers

You can combine individual system articles with

articles from external suppliers. Please read the

user manual and the safety requirements of the

supplier.

Original condition

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.

Legal requirements

Adhere to general and local regulations relat-

ing to accident prevention and environmental

protection.

EC Declaration of Conformity

Electrically operated accessories are

constructed based on the state of the art of

technology and are provided with an EC Decla-

ration of Conformity.

Leica DM750 M User Manual Safety Regulations 9

Instructions on Use

The Leica DM750 M microscope may be

used only in closed rooms and must be

placed on a solid substrate.

Always position the Leica DM750 M

microscope so that you can discon-

nect it from the power supply at any time.

The power cable must remain accessible at all

times, because it is intended as a power discon-

nect device.

Place of use

Only use the instruments in closed, dust free

rooms and between +10°C and +40°C. Protect

the devices from oil, chemicals and extreme

humidity. If using the devices outdoors, protect

them from dust and moisture. Never use electri-

cal devices outdoors. Install electrical devices at

least 10 cm from the wall and away from ﬂam-

mable substances.

Avoid large temperature ﬂuctuations, direct

sunlight and vibrations.

In warm and warm-damp climatic zones,

the individual components require

special care in order to prevent the build-up of

fungus.

Non-intended use

Never install any other plug or unscrew

any mechanical components unless

expressly instructed to do so in the instructions.

The devices and accessories described in

this instruction manual have been tested

for safety and potential hazards.

Leica DM750 M User Manual Safety Regulations 10

Instructions on Use (Continued)

The responsible Leica aﬃliate must be

consulted whenever the instrument is

altered, modiﬁed or used in conjunction with

non-Leica components that are outside of the

scope of this manual!

Unauthorized alterations to the instru-

ment or noncompliant use shall void all

rights to any warranty claims.

Transport

If at all possible, use the original packaging for

shipping or transporting individual modules.

In order to prevent damage from vibrations,

disassemble all moving parts that (according to

the user manual) can be assembled and disas-

sembled by the customer and pack them sepa-

rately.

Disposal

Once the product has reached the end of its

service life, please contact Leica Service or Sales

about disposal.

Please observe and ensure compliance with the

national laws and regulations that implement,

for example, the EC Directive WEEE.

Like all electronic devices, this instru-

ment, its accessory components

and consumables must never be disposed of

with general household waste. Disposal must

comply with locally applicable laws and regula-

tions.

Integration in third-party products

When installing Leica products into third-party

products, the manufacturer of the complete

system or its dealer is responsible for follow-

ing all applicable safety instructions, laws and

guidelines.

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