Leica M300

User manual

10 710 472 – Version E

Contents

2

Leica M300 / Ref. 10 710 472 / Version E

Contents

General safety instructions

Page

Intended use of instrument

3

Not intended use of instrument

3

Directions for the person responsible for
the instrument

3

Directions for the user

3

Disposal

3

The symbols in this user manual

4

Safety instructions in this user manual

4

Design

Overview of Leica M300

5

Function

Floor stand and floor base

6

Joint moves and articulation brakes

6

Tilt button

7

Illumination

8

Microscope

8

Description of procedure

Settings before treatment

9

Inspecting the functioning

9

Cleaning after treatment

9

Use

Transport of the floor stand

10

Operating at the assembly location

10

Settings at the microscope

12

Illumination

14

Accessories

Accessories

15

Assembling accessories

15

What to do if... ?

General faults

16

Video

16

Technical data

Electrical data

17

Microscope

17

Light source

17

Fibre-optics cable

17

Accessories

17

Stand

18

Environmental conditions

18

Dimensions

18

Page

Optical data

19

Dimensions

19

Care

Care

20

Maintenance

Maintenance

20

General safety instructions

3

Leica M300 / Ref. 10 710 472 / Version E

General safety instructions

The Leica M300 microscope system is a state-of-the-art
system in its development, its construction and its structure.
Nevertheless, hazards may still arise during operation. For this
reason you must always follow the directions given in this user
manual and particularly the safety instructions.

Intended use of instrument

• The microscope is an optical instrument, which makes use

of magnification and illumination to improve visibility. It can
be used for observing and documenting the treatment of
humans and animals.

• The microscope system is only to be used on a strong floor

or mounted on a ceiling or wall in a closed room.

Not intended use of instrument
• The microscope system must not be used for eye operations.

Directions for the person responsible for the instrument
• Ensure that the microscope is used only by briefed

personnel.

• Ensure that this user manual is always available at the place

where the microscope is used.

• Carry out regular inspections to make sure the user is

complying with safety requirements.

• Brief the user thoroughly and explain the meaning of the

hazard signs and safety instructions.

• If you use accessories from another manufacturer with the

Leica M300 microscope, make sure that this manufacturer
confirms that the combination is safe to use. Follow the
instructions in the user manual in question. Otherwise only
accessories from Leica Microsystems (Schweiz) AG as
described in this user manual are to be used exclusively.

• No modifications to this instrument are permitted.
• Allocate responsibilities for getting the instrument ready

for work, for operating it and for maintaining it. Monitor
compliance with this.

• Do not use the microscope system unless it is in perfect

condition.

• If any faults develop which might put the safety of people at

risk, contact your Leica representative immediately or
Leica Microsystems (Schweiz) AG, CH-9435 Heerbrugg.

• The effect of the microscope system on other instruments

has been tested as specified in EN 60601-1-2. The system
has passed the tests relating to emissions and immunity.

• You should respect the usual precautionary and safety

measures relating to electromagnetic and other forms of
radiation.

Directions for the user
• Follow the instructions given by your employer regarding the

organisation of work and safety at work.

• No one else besides the authorized specialists may open the

light source.

• Follow the instructions given in this manual.

Disposal
• Follow the respective national laws applying for the disposal

of the products.

Safety instructions

4

Leica M300 / Ref. 10 710 472 / Version E

The symbols in this user manual

The symbols used in this user manual have the following
meaning:

This indicates a potentially hazardous

Warning

situation of dangerous usage or not
intended usage which could result in
death or serious injury to persons.

This indicates a potentially hazardous

Caution

situation of dangerous usage or not
intended usage which could result in
minor or moderate injury but possibly
considerable material, financial or
environmental damage.

Information provided to help the user use
the product in a technically correct
fashion and also efficiently.

This symbol indicates that you need to
perform a specific action.

Safety instructions in this user manual

Warning 1
Risk of injury for the patient!
➩ Do not use the microscope for eye treatment.

Caution 2
Risk of crushing!
Optical stand and swivel arm can swing out
uncontrollably.
➩ Before transport, always return the microscope to the

transport settings.

Caution 3
The microscope can move without warning!
➩ Keep the foot brakes engaged except during

transport.

Caution 4
Risk of injury!
Feet in lightweight shoes can become trapped beneath
the movable base of the stand!
➩ Always push the microscope to displace it;

never pull it.

Warning 5
Risk of death through electrical shock!
➩ Connect the microscope system only to an earthed
mains socket.

Caution 6
Mucous membrane may dry out by light that
is too intense!
➩ Put water on the mucous membrane in your mouth if

necessary.

Caution 7
Risk of burns!
Things which are easily inflammable can start to burn.
➩ Leave the fibre-optic cable always in the opening of

the optical stand.

Warning 8
Risk of injury from microscope swinging down!
➩ Only authorised specialists may rebalance the

microscope.

➩ Never attempt to rebalance or re-equip the

microscope while it is over the field of operation/the
patient.

➩ After changing accessories always rebalance the

microscope.

Caution 9
Premature hardening of composite fillings!
Composite fillings are hardening faster due to the high
light intensity.

Caution 10
Risk of burns!
Light source develops warmth even if an internal
overheat protection is installed.
➩ Put no easily inflammable objects on the light source.

Caution 11
Risk of burning!
The lamp and the mount of the illuminator get very hot.
➩ Check that the mounting has cooled before you

remove the lamp.

➩

Design

5

Leica M300 / Ref. 10 710 472 / Version E

Design

Overview of Leica M300

1 Swivel arm
2 Tilt button
3 Fibre-optic cable
4 Light source
5 Column
6 Base
7 Optical stand
8 Handgrip (optional)

a: Single-handed handgrip or
b: Two-handed handgrip

1

4

3

2

5

7

6

8b

8a

1

6

Leica M300 / Ref. 10 710 472 / Version E

Function

Floor stand and floor base (Fig. 1)
The floor stand is movable. The foot consists of a central beam
with two arms at a side and four casters.
Two casters are equipped with foot brake release levers (1).
The stand can be stopped using these levers.

Joint moves and articulation brakes (Fig. 2)
You can use the joints to swing out and tilt the microscope any
way you like. All movements which have to be made while
examining only require little power. There are mechanical
breaks at the microscope which regulate and blockade the
movements of the optical stand and the swivel arm.
Simultaneous operating can be continuously adjusted to
personal needs until stopping.

Control elements (Fig. 2)
• Knurled ring (2) for the tilt of the microscope.
• Rotary knobs (3) in the rotary joint for turning the optical

stand.

• Rotary knob (4) for setting the origin position.
• Lever (5) at the swivel arm for fixing the swivel arm at any

height of your choice.

• Lever (6) at the swivel arm for horizontal rotary moving.

1

2

3

3

4

5

6

6

1

2

Function

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Leica M300 / Ref. 10 710 472 / Version E

Function

Original position
The optical stand can be set into two original positions. You can
choose between the vertical position and the diagonal position.

• Vertical position (Fig. 1)

You can turn the microscope while it is directly over the field
of operation in the optical axes as well as tilt it forwards and
backwards while it is in the vertical position.
Swinging out movements to the left and to the right are not
possible with the microscope.

• Diagonal position (Fig. 2)

In order to swing out the microscope you need to stop the
optical stand in the diagonal position.
This position allows you to swing out the microscope to the
left and to the right.

Tilt button (optional) (Fig. 3)
The microscope can be equipped with a tilt button (1). The light
source will automatically be activated when the tilt button is in
the horizontal position.
The tilt button is positioned according to your wishes (see page
8 Assembly instructions). The light source is always activated if
the tilt button is not connected.

Please take note of the illumination user manual.

1

2

3

1

8

Leica M300 / Ref. 10 710 472 / Version E

Function

Illumination (Fig. 1 and 2)
A continuously adjustable light regulator (1) and the main
switch (2) are located at the front. A fibre-optic cable couples
the light source together with the optical stand. The mains
connection (3) and the fuse (4) are at the back of the light
source.

Please find detailed specifications on how to use the
light source in the user manual of the supplier.

Microscope (Fig. 3)
If the dioptric settings are correct the picture is sharp
for every magnification. The microscope is parfocal.
The magnification desired can be chosen using a 5 level
magnification changer (5).

*) Parfocal = constant
Provided the diopter adjustment is correct, fine detail is
assured over the entire zoom range.

1

2

1 2

3

4

5

3

9

Leica M300 / Ref. 10 710 472 / Version E

Description of procedure

Setting original position
➩ Set original position.

➩ Regulate simultaneous operating with the articulation

brakes.

You will find a description of the original position on page 7.

If the microscope is set optimally you can position it exactly
with one hand.

Settings at the microscope
➩ Adjust dioptric settings at both eyepieces (see page 13).

➩ Use the magnification changer to adjust the magnification

desired (see page 12).

➩ Focus by positioning the instrument at a working distance

moving the handgrip.

➩ Make sure the microscope Leica is in an ergonomic

configuration. This will make it easier for your back.

Warning 1
Risk of injury for the patient!
➩ Do not use the microscope for eye treatment.

Inspecting the functioning

Illumination
➩ Activate main switch.

Tilt button
• Light source activates itself automatically at a certain

position of the swivel arm (see page 8 Assembly instructions).

Video system (if available)
➩ Check picture on the TV monitor.

Cleaning after treatment
➩ Thoroughly clean the entire optical stand after every

treatment with a disinfecting agent.

➩ Clean the objectives and the eyepieces with optical cleaning

tissues and pure alcohol.

➩ Please note the instructions on care and maintenance on

page 20.

Settings before treatment

Cleaning optical accessories
➩ Check if eyepieces and objectives are clean.

➩ Remove any dust and dirt.

Positioning floor stand
➩ Move swivel arm into transport configuration.

➩ Tighten articulation brakes.

➩ Release stop of foot brake release lever.

➩ Move the microscope carefully to the treatment area and

position it.

➩ Position the floor stand in such a way that the centre of

rotation of the optical stand is over the treatment field
(Fig. 1).

➩ Stop the floor stand with the foot brake release lever.

➩ Connect mains plug.

➩ Check all connections and that the accessories are fixed

tightly.

Description of procedure

1

10

Leica M300 / Ref. 10 710 472 / Version E

Use

Use

Transport of the floor stand

Caution 2
Risk of crushing!
Optical stand and swivel arm can swing out
uncontrollably.
➩ Before transport, always return the microscope to the

transport settings.

Caution 3
The microscope can move without warning!
➩ Keep the foot brakes engaged except during

transport.

Caution 4
Risk of injury!
Feet in lightweight shoes can become trapped beneath
the movable base of the stand!
➩ Always push the microscope to displace it;

never pull it.

Transport configuration (Fig. 1)
➩ Move the swivel arm and the optics carrier into the position

depicted.

➩ Stop articulation brakes.

Transport
➩ Remove mains plug.

➩ Use the foot brake release levers to release the stop of the

foot stand.

➩ Move the microscope carefully to the treatment area.

Operating at the assembly location

➩ Use the foot brake release levers to stop the foot stand.

➩ Plug in the mains plug.

Warning 5
Risk of death through electrical shock!
➩ Connect the microscope system only to an earthed

mains socket.

Setting the original position
You can use the vertical or the diagonal position to do this
(see page 7).
➩ Release the rotary knob (1) as far as it will go.

➩ Pull out the microscope stand in direction of the arrow.

➩ Latch two pegs into the position desired of the punched disk.

➩ Tighten the rotary knob (1) firmly.

1

2

1

11

Leica M300 / Ref. 10 710 472 / Version E

Use

Regulating the joint movements
Use the articulation brakes to regulate simultaneous operating
of the swivel arm and the optical stand.

• Use lever (2) to adjust the height of the swivel arm.
• Use lever (3) to turn the swivel arm horizontally.
• Use rotary knobs (5) to turn the microscope.
• Use knurled ring (6) to tilt the microscope.

Continuous movements until the stop are possible for this. Set
simultaneous operating in such a way that you can exactly
position the microscope using the handgrip (4) with one hand.

Use the orange filter (see page 15) to prevent premature
hardening of the composite.

Caution 6
Mucous membrane may dry out by light that is too
intense!
➩ Put water on the mucous membrane in your mouth if

necessary.

Caution 7
Risk of burns!
Things which are easily inflammable can start to burn.
➩ Leave the fibre-optic cable always in the opening (1)

of the optical stand.

Warning 8
Risk of injury from microscope swinging down!
➩ Only authorised specialist may rebalance the

microscope.

➩ Never attempt to rebalance or re-equip the

microscope while it is over the field of operation/the
patient.

➩ After changing accessories always rebalance the

microscope.

Caution 9
Premature hardening of composite fillings!
Composite fillings are hardening faster due to the high

light intensity.

Do not using any flammable anaesthetics.

1

4

3

2

3

5

5

1

2

3

6

12

Leica M300 / Ref. 10 710 472 / Version E

12

Use

Settings at the microscope

Setting eye contact
You can adjust the eye contact with the eyepieces individually.
➩ Hold on to the dioptric rings.

➩ Use turning movements to pull out the eyecups (Fig. 1).

Changing the magnification
The rotary knobs (1) are fixed at both sides of the microscope
and are labelled with the levels 6,4 / 10 / 16 / 25 / 40 (10x for
eyepieces and for the objective f = 100 mm (3.04‘‘)).
➩ Use the rotary knobs (1) to adjust the magnification desired.

Dentistry
➩ Sit in an upright and ergonomic position.

➩ Position the patient to get the approximate working distance

(coarse focussing).

➩ With a fine-focussing lens, turn the lens (2) to adjust the

focus (Fig. 2).

1

2

1

1

2

3

Setting the focus/Focussing the image

General
➩ Get the approximate working distance either by positioning

the patient or by raising or lowering the microscope.

➩ With a fine-focussing lens, turn the lens (2) to adjust the

focus (Fig. 2).

Make sure you are always sitting in an upright and
ergonomic position.

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Leica M300 / Ref. 10 710 472 / Version E

Use

Correcting the dioptric settings
You can adjust the individual dioptric settings continuously from
+5 to –5. Adjust the magnification using the rotary knobs (1)
(see page 12). The microscope guarantees freedom from
fatigue to a wide extent if the dioptric settings are correct for
both eyes.

Preparations:
➩ Open any double iris diaphragm used.

➩ Turn both eyepieces on <0>.

Adjusting sharpness settings for test object:
➩ Choose magnification level 40.

➩ Put a flat test object with sharp contours at a working

distance under the objective.

➩ Adjust microscope to the test object until it is sharp.

Configuring dioptric settings:
➩ Choose lowest magnification level (magnification level 6.4).

➩ Turn both eye lenses to +5 without looking into the eyepieces

(Fig. 1).

➩ Slowly turn both eye lenses consecutively towards -5 for

each eye until the test object is sharp.

Checking the settings:
➩ Choose highest magnification level

(magnification level 40).

➩ Check sharpness and reset if necessary.

1

2

1

1

2

14

Leica M300 / Ref. 10 710 472 / Version E

Use

Illumination

1

3

2

4

4

2

3

5

1

Cautiont 10
Risk of burns!
Light source develops warmth even if an internal
overheat protection is installed.
➩ Put no easily inflammable objects on the light source.

Caution 11
Risk of burning!
The lamp and the mount of the illuminator gets very hot.
➩ Check that the mounting has cooled before you

remove the lamp.

Do not change bulbs and fuses over the treatment
area/patient.

Always have a substitute bulb and fuse available (see
technical data, page 17).

Changing the bulb
➩ Deactivate main switch (1) (Fig 1).

➩ Pull out mains plug.

➩ Lift the locking button (2) and release the catch (3) (Fig. 2).

➩ Lift off the cover.

➩ Fit a new bulb (4) (Fig. 3).

➩ Close the cover.

➩ Plug the power cable back in and activate the main

switch (1).

Changing the fuse
➩ Deactivate main switch (1) (Fig 1).

➩ Pull out mains plug.

➩ Take the fuse case (5) out of the back of the light source

(Fig. 4).

➩ Change both fuses.

➩ Put the fuse case back into the light source.

➩ Plug the power cable back in and activate the main

switch (1).

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Leica M300 / Ref. 10 710 472 / Version E

Accessories

Accessories

Reclining binocular tube, with variable viewing angle
+30°–150° (Fig. 1)
• With interpupillary distance adjustment for the eyebase
• Focal length f = 170 mm (6.69‘‘)
• Integrated eyepieces with dioptric adjustment and built-in

eyecup adjustment

Further available tubes:
• Binocular tube, 45°
• Binocular tube, 45°, low
• Binocular tube, 10°–50°
• Binocular tube, 10°–50°, ultralow

Leica 2D video system (Fig. 2)
• Compact video system

(see user manual of the video system)

Additional accessories for dentistry:
• Orange filter (Fig. 3) for filtering out the light components

which result in fast hardening of composite.

Assembling accessories
➩ Undo the clamping screw (1) (Fig. 4).

➩ Place the Leica 2 video system or binocular tube from above

into the dovetail ring.

➩ Tighten the clamping screw (1).

1

2

1

4

3

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Leica M300 / Ref. 10 710 472 / Version E

What to do if... ?

Should the instrument no longer function correctly,
contact your local Leica agency for advice.

What to do if... ?

In the interests of our customers we reserve the right
to make modifications as a consequence of technical
advances. For this reason illustrations and descriptions
should not be regarded as binding.

General faults

Fault

No light in the microscope.

Instrument not in balance.

The image will not remain sharp from the
lowest magnification to the highest.

Cause

One of the fibre-optic cable connections
has come undone.

Lamp is defective.

Fuse is defective.

The fibre-optic cable has not been put
into position.

Too many or too few accessories have
been installed.

The eyepieces are not positioned
correctly.

The dioptric settings have not been set
correctly.

Remedy

➩ Check the fibre-optic cable

connections.

➩ Check the bulb

➩ Replace defective bulb.

➩ Replace defective fuse.

➩ Put the fibre-optic cable fully into

position.

➩ Check accessories.

➩ Tighten spring in the swivel arm.

➩ Screw eyepieces in completely.

➩ Correct the dioptric settings precisely

as directed.

Fault

TV pictures are not sharp.

Cause

Microscope has not been focussed
precisely.

Remedy

➩ Focus precisely.

➩ Correct the dioptric settings precisely

as directed.

Video
Also take note of the user manual of the video system used.

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Leica M300 / Ref. 10 710 472 / Version E

Technical data

Electrical data
Power connection:

Central location on Photonics CLS 150 MR, Illumination 100/240 VAC

Power consumption:

Max. 190 VA

Safety class:

Class 1

Safety type:

Type B

Microscope
Magnification changer:

5 levels 6,4x / 10x / 16x / 25x / 40x (with objective f = 100 mm (3.94‘‘)/eyepieces 10x)

(see the table on page 19)

Focussing:

Rough focussing: by positioning the patient or moving the microscope up or down
Fine focussing:

using a focussable objective

Total magnification:

3.2x to 20x (with 10x eyepieces and objective f = 200 mm (7.87‘‘))

Field diameter:

65 mm (2.56‘‘) to 10.5 mm (0.41‘‘) (with 10x eyepieces and objective f = 200 mm (7.87‘‘))

Eyepieces:

Wide-field eyepieces for spectacle wearers 10x/21B

Dioptrical settings:

Adjustable +5 to –5

Objectives:

Objectives with integrated manual fine focus (f = 200 mm (7.87‘‘), 250 mm (9.84‘‘), 300 mm (11.81‘‘))
Lens with fixed focus (f = 200 mm (7.87´´), 225 (8.86), 250 mm (9.84´´), 300 (11.81´´),
350 mm (13.78), 400 mm (15.75))

Binocular tubes:

Binocular inclined tube 45°
Binocular tube, var. 30°–150°, with PD adjuster
Binocular inclined tube low 45°

Handgrips:

Single-handed handgrip: for positioning with one hand
Two-handed handgrip: for positioning with two hands

Light source

Photonics CLS 150 MR

Bulb:

150 W/21 V (no. 10446542)

Fuse:

2.5 A T (no. 10317048) Thermal protection switch

Filter stand:

For insertion filter Ø 30 mm (1.81‘‘)

Optional:

Tilt button mercury-free

(Please refer to the user manual CLS 150 MR for further data of the light source.)

Fibre-optic cable
Length:

2000 mm (78.74‘‘)

Active diameter:

7 mmm (0.28‘‘)

Minimal bending radius:

50 mm (1.97‘‘)

Accessories
• Binocular tubes (see page 17)
• Tube transition piece ± 15°
• ErgoWedge 5°–25°
• Leica 2 video system

Technical data

18

Leica M300 / Ref. 10 710 472 / Version E

Technical data

Stand
Types:

There are 4 types available at the moment:
– Floor stand with 4 casters
– Wall stand with wall fastening
– Ceiling stand with ceiling fastening (fix length)
– Fixed floor stand (as special equipment)

Brakes:

4 mechanical articulation brakes
1 mechanical brake at the microscope for the tilt
movement
1 stop lever for the vertical movement
Floor stand: 2 base casters which can be braked

Balancing:

Using the pressure spring in the swivel arm
(swivel arm range 4.5–8 kg)
Subsequent adjustment is possible with special tools.

Steering roll floor stand:

∅ 60 mm, 24 mm wide

Loading:

Max. 3.5 kg for accessories
beginning at the interface of the microscope

Space requirements:

Transport height 1700 mm (66.93‘‘)

(floor stand)

Foot dimension 600x600 mm (23.62‘‘x23.62‘‘)

Weight:

Entire system without accessories: 91 kg

(floor stand)

Entire system with maximal accessories: 94.5 kg

(ceiling stand)

Entire system with maximal accessories: 48.5 kg

Max. range:

1530 mm (60.24‘‘)

Swivel arm hub:

1060 mm (41.73‘‘)

Turning range around
stand column:

Floor/ceiling stand 360°

Wall stand:

Turning range of the swivel arm 250° (±125°)
Turning range of the microscope support 360° (±180°)

Tilt angle of the
microscope support:

30°

Colours:

White RAL 9002
Midnight blue RAL 5004

Environmental conditions
Usage:

+10 °C to + 40 °C
+50 °F to + 104 °F
30 % to 95 % relative humidity of air
500 to 1060 mbar air pressure

Storage:

–40 °C to +70 °C
–40 °F to +158 °F
10 % to 100 % relative humidity of air
500 to 1060 mbar air pressure

Standards

IEC 601, UL 2601

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Leica M300 / Ref. 10 710 472 / Version E

Technical data

Pos. magnifi-

cation changer

Objective

f = 200

f = 225

f = 250

f = 300

f = 350

(7.87) (8.86) (9.84) (11.81) (13.78)
0,5x

0,44x

0,4x

0,33x

0,28x

WD

WD

WD

WD

WD

190 (7.48)

215 (8.46)

240 (9.45)

290 (11.41)

340 (13.39)

Okular

V

tot

Gfd

V

tot

Gfd

V

tot

Gfd

V

tot

Gfd

V

tot

Gfd

10x/21B

6,4

3,2 65,6

2,8

73,8

2,6

82

2,1

98,4

1,8

114,8

(2.58)

(2.91)

(3.23)

(3.87)

(4.52)

10

5 42

4,4

47,3

4

52,5

3,3

63

2,9

73,5

(1.65)

(1.86)

(2.06)

(2.48)

(2.89)

16

8 26,3

7,1

29,5

6,4

32,8

5,3

39,4

4,6

45,9

(1.03)

(1.16)

(1.29)

(1.55)

(1.81)

25

12,5 16,8

11,1

18,9

10

21

8,3

25,2

7,1

29,4

(0.28)

(0.74)

(0.83)

(0.99)

(1.16)

40

20 10,5

17,8

11,8

16

13,1

13,3

15,8

11,4

18,4

(0.41)

(0.46)

(0.54)

(0.62)

(0.72)

WD = Working distance in mm (‘‘)
V

tot

= Total magnification

f

= Focal length in mm (‘‘)

Gfd = View field diameter

in mm (‘‘)

Optical data

Dimensions (inch)

**) max. 1250

*) 550 - 1500

1220 - 2250

1500

1

2

3

845

445

600 x 600

Rotation range ±360°

Rotation range ±150°

Rotation range ceiling stand/floor stand 360°

*) Optical axis, horizontal

**) Vertical position

3

2

1

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Leica M300 / Ref. 10 710 472 / Version E

Care

• Put a dust cover over the instrument during breaks in work.
• Keep accessories in a dust-free place when not in use.
• Remove dust using a bellow and a soft brush.
• Clean objectives and eyepieces with special optical cleaning

cloths and pure alcohol.

• Clean the optics carrier thoroughly with a germicidal

disinfecting agent after every use.

• Protect the microscope from moisture, fumes, acids, alkalis

and all corrosive substances.

• Do not keep chemicals in the vicinity of the instrument.
• Protect the microscope against prohibited use.
• Never fit different plugs or dismantle optical systems or

mechanical parts unless the manual expressly asks you to
do so.

• Protect the microscope against oil and grease. Never oil or

grease mechanical parts or sliding surfaces.

Maintenance

• Only a trained service engineer may check the microscope.
• Check the mains plug regularly for damage.

Recommended maintenance intervals
• Every three years, as well as after a failure or shock to the

optics.

Care/Maintenance

21

Leica M300 / Ref. 10 710 472 / Version E

22

Leica M300 / Ref. 10 710 472 / Version E

23

Leica M300 / Ref. 10 710 472 / Version E

Leica Microsystems (Schweiz) AG

Business Unit SOM

Max Schmidheiny-Strasse 201

CH-9435 Heerbrugg

Telephone [phone]

Fax [phone]

www.leica-microsystems.com

www.surgicalscopes.com

Illustrations, descriptions and technical data are not binding and may be changed without notice.

© Leica Microsystems (Schweiz) AG • CH-9435 Heerbrugg, 2004

Art.-No. 10 710 472 – V

ersion E

– Printed in

Switzerland – en – VI.2004 – RDV

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