Leica MZ16 A User manual

Leica MZ16 A
User manual

Leica MZ16 A – Contents
Contents
2
Page
Safety note . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Overview
Components, connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Operating controls and functions . . . . . . . . . . . . . . . . . . . . . . . . . . 6
System operation
Starting up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Selection (OPT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Motor zoom, control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Calibrating the motor zoom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Reference circle for measurements . . . . . . . . . . . . . . . . . . . . . . . 14
Measuring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Leica MZ16 A – User manual 3
Thank you for your confidence in our products. We hope you
will enjoy the high-quality and powerful products from Leica
Microsystems.
In developing our instruments, we have placed great weight on
simple, self-explanatory directions. In order to utilize all the
benefits of your new stereomicroscope, we suggest studying
this user manual in detail. Should you have any questions,
please consult your local Leica representative. You will find the
address of the closest local representative as well as valuable
information about products and services from Leica Microsys-
tems on our homepage www.leica-microsystems.com
We are gladly at your service. Customer service is a big thing
with us. Not only before the sale, but afterwards as well.
Leica Microsystems (Switzerland) Ltd
Business unit Stereomicroscopy
www.stereomicroscopy.com
Your instrument is supplied with a printed user manual in
English. Additional languages and information can be
found on the interactive CD-ROM. User manuals and
updates are available for download on our homepage at
www.stereomicroscopy.com.
This user manual describes the special functions of the motor-
ized Leica MZ16 A stereomicroscope. The safety regulations,
mounting of the Leica MZ16 A to stands, binocular tubes,
accessories, etc. as well as the handling and the optical data
can be found in the user manual for Leica M stereomicro-
scopes, M2-105-0. If you purchased a motor focus system with
your Leica MZ16 A, please read the user manual M1-267-1.
Please read this manual and the user manual for Leica M
stereomicroscopes, M2-105-0, before commissioning the
instrument. Please observe the safety notes, in particular the
safety regulations for electrically operated equipment.
The
user
manual
Dear User

Components
4Leica MZ16 A – Overviews
Overview
6
1
147
8
4
3
2
5

5
Leica MZ16 A – Overviews
1 Stand (transmitted light or incident light with suitable
illumination)
2 Optics carrier Leica MZ16 A
3 ErgoTubus™
4 Wide-field eyepieces for spectacle wearers
5 Objective nosepiece with 2 objectives
(or an interchangeable objective, see the figure on page 5)
6 Motor focus system
(or manual coarse/fine drive, see the figure on page 5)
7 Manual control for motor zoom with connector
for motor focus manual control
8 Manual control for motor focus
9 Transformer (not illustrated)
For assembly and installation of the Leica MZ16 A refer to the
user manual for Leica M stereomicroscopes, M2-105-0
Power supply required.
10 PWR: power supply connection
11 CTL1: Connection for motor zoom foot switch
and/or PC interface kit (with Y-cable)
12 CTL2: Connection for motor zoom manual control or empty
13 CTL2: Connection for motor zoom manual control or empty
Supply through power supply of motor focus, no other power
supply is required.
10 PWR: empty
14 CTL1: Connection for motor zoom foot switch and/or PC
interface kit (with Y-cable)
12 CTL2: Connection for motor zoom manual control or empty
13 CTL2: Connection for short connecting cable to motor focus
14 Short connection for motor zoom manual control:
motor focus manual control
For equipment with motor focus, is imperative that the
cable holder is affixed (glued) onto the motor focus and
the short connecting cable from the manual control of the
motor zoom is clamped underneath it. Otherwise the
cable could be squeezed between stop and motor focus
during focusing.
The connection to a PC requires a standard PC with RS-232
interface and a Leica PC interface kit. The individual functions
and commands are described in a separate user manual
supplied with the PC interface kit.
Components
Connections
without motor focus
Connections
with motor focus
Connection to PC
13 12 11 10

6Leica MZ16 A – Operating controls and functions
Operating controls and functions
7
3
2
6
5
1
4
8a
8b
8c

911 10
7
Leica MZ16 A – Operating controls and functions
1 Up/down key for motor zoom and selection in menu
2 Display with function keys
3 Double-iris diaphragm for adjusting the depth of field
4 ErgoTubus™ with variable viewing angle from 10°–50°
5 Adjustable eyepiece tubes for adjusting the interpupillary
distance from 52–76 mm
6 Knurled rings to adjust diopters from +5 to –5
7 Adjustable eyecups
8 Manual focusing drive
(or motor focus system, see figure on page 4)
8a Inside coarse drive
8b Outside fine drive
8c Adjustable ring for adjusting ease of movement
OPT Selection of eyepiece and objective factors /
coaxial illumination / acoustic signal
SEL Confirm and display the selection
CAL Calibrate motor zoom
REF Display diameter of reference circle for measurements
9 Handwheel for precise zooming
10 Red key: Saving / Traveling / Canceling of stored zoom
positions
11 Black key: Toggling between quick and fine
adjustment
For details and description see the user manual M1-267-1.
Stereomicroscope
Display function keys
Manual control of motor
zoom
Manual control
motor zoom
Manual control
motor focus

Starting up
Display
Factory settings
Keys
8Leica MZ16 A – System operation
System operation
Attach the power supply to the supply.
When the power cable is removed from the supply, the selec-
tion under OPT, the calibration and the diameter of the refer-
ence circles are maintained. The zoom positions saved with the
manual control are canceled.
Display at power-on:
• init and software version (e.g. SW V1.3):
The unit is being initialized. (Beep)
• MZ16 A initialization concluded (2 beeps)
• Actual magnification
Objective 1.0×
Eyepiece 10×
Coaxial illumination no
CAL C dist. (reference distance)
REF FOV (field of view diameter)
Acoustic signal on
▲▼
Function 1: Motor zoom up/down:
Function 2: in the Selection Key menu
OPTic
• Select eyepiece and objective factors
• Coaxial illumination (yes/no)
• Acoustic signal (on/off)
SELect
Confirm and display the selection
CALibration
Calibrating the motor zoom
REFerence
Display diameter of reference circle for measurements
SEL + CAL (simultaneously)
Travel to the calibrated zoom position
SEL (press for approx. 2 seconds)
Reset user settings to factory settings
Display: def. val.

9
Leica MZ16 A – System operation
Selection of eyepiece / objective /
coaxial illumination / acoustic signal
OPT
Select eyepiece factor ▲▼
Confirm and display the selection SEL (beep)
Select objective factor ▲▼
Confirm and display the selection SEL (beep)
Coaxial illumination yes/no ▲▼
Confirm and display the selection SEL (beep)
Acoustic signal (beep) on/off ▲▼
Confirm and display the selection SEL (beep)

10 Leica MZ16 A – System operation
Motor zoom
The motor zoom 16:1 is used for ergonomic zooming with key,
manual control, foot switch or computer control. In addition to
continuous zooming, 11 fixed ratchet steps can be traveled very
quickly. Furthermore, 5 individual zoom positions can be saved
and traveled with the manual control. Compared to a manual
magnification changer, the motor zoom offers the following:
– Ergonomically better
– Uniform simple operation
– More flexibility for the user
– Leaves the hands free
– Saves time during repetitive tasks.
A zoom button is located on both sides of the optics carrier.
▲▼
Triangle pointing to user: Motor zoom up / Triangle pointing to
stand column: Motor zoom down
– Constant pressure: Zoom travels continuously up/down.
Precise fine adjustment with handwheel.
– Short click: Motor zoom advances from ratchet step to
ratchet step. Overall, 11 additional ratchet steps can be
traveled in addition to the upper and lower zoom position.
– Double-click: Motor zoom travels to the highest/lowest
magnification at maximum speed.
Use the handwheel for
ergonomic and precise
fine adjustment.
Left rotation – down,
right rotation – up.
Key
Handswitch
Z
Z

11
Leica MZ16 A – System operation
Storing zoom
positions
Footswitch
• 5 zoom positions can be stored using the manual control.
• If a sixth zoom position is stored, the one nearest to it will be
canceled.
• Each zoom position can be canceled individually.
• The system will travel to each of the individual zoom posi-
tions in the sequence in which they were stored.
• Switching off the system cancels the stored zoom positions.
Travel to the desired zoom position
with the handwheel.
Press the red key until the acoustic
signal sounds (2 beeps).
If required, travel to 5 zoom
positions and store them.
Travel to the stored focus positions:
Briefly press the red key.
Cancel the memory position:
Press the red key until the acoustic signal sounds
(2 short beeps, pause, 2 long beeps).
• Zooming with the foot
switch: Left-hand switch –
down, right-hand switch –
up.
• Toggling between quick
and fine adjustment: Press
left-hand and right-hand
switches simultaneously.
• Zoom positions cannot be
stored by means of the
footswitch.
Functionality is identical to the zoom keys ▲▼ at the optics
carrier:
– Constant pressure: Zoom travels continuously up/down.
Precise fine adjustment with handwheel.
– Short click: Motor zoom advances from ratchet step to
ratchet step. Overall, 11 additional ratchet steps can be
traveled in addition to the upper and lower zoom position.
– Double-click: Motor zoom travels to the highest/lowest
magnification at maximum speed.

12 Leica MZ16 A – System operation
Initializing
calibration
Calibrating
magnification (CM)
Calibrating the motor zoom
The adjustment accuracy of the motor zoom is factory-set to
±5%. If you need to work more precisely, e.g. when measuring,
the system can be calibrated. The calibration remains stored
until it is changed or canceled.
• Always perform the calibration at a ratchet step
(50.0 in the example).
• Calibration modes: Magnification (C magn.) or reference
distance (C dist.)
• Calibration aids: Specimen micrometer in the specimen plane
and graticule (10447182) in the eyepiece. The diameter of the
inner circle measures 7 mm. To insert the graticule see user
manual M2-105-0.
• The optional gliding stage facilitates the precise movement of
the specimen micrometer.
At Limit If this message appears on the display during calibra-
tion of the reference distance with the handwheel,
you traveled beyond the adjustable range.
Delete the preceding calibration
(see the section on page 13).
Travel to desired zoom ratchet step with ▲▼key
(50.0 in the example).
Initialize calibration with CAL key.
Select calibration mode with ▲▼key:
Magnification (C magn.) or reference distance (C dist.),
C magn. in the example
Confirm and display the selection SEL (beep).
Depending on the selected calibration mode continue with the
section "Calibrating CM" or "Calibrating CD".
Display after confirming the selection: CM 50.3 in the example
(CM = process start)
Look into the eyepieces.
Focus the specimen micrometer.
• In the example, the diameter of the small circle of 7 mm at
zoom position 50×corresponds to a distance of 1.40 mm on
the specimen micrometer (7 : 5).
Adjust the magnification with the handwheel so that the
diameter of the small circle (inside line) corresponds to the
distance of 1.40 on the specimen micrometer.
Confirm and display the calibration 2×CAL (beep).
Display (in the example) A 50: A = Marking of the zoom
position used for the calibration

13
Leica MZ16 A – System operation
Calibrating the
reference distance
(CD)
Canceling the
calibration
Initialize the calibration and select the calibration mode see on
the left.
Display after confirming the selection: CD 1.418 in the example
(CD = process start)
Look into the eyepieces.
Focus the specimen micrometer.
Adjust the magnification with the handwheel so that the
diameter of the small circle (inside line) corresponds to the
distance of 1.40 on the specimen micrometer.
Confirm and display the calibration 2×CAL (beep).
Display (in the example) A 50: A = Marking of the zoom posi-
tion used for the calibration
Press CAL key at any zoom position.
Display: C dist. or C magn. depending on the selected mode.
SEL key
Display: CD XXX or CM XXX depending on the selected mode
Press CAL for 2 seconds (2 beeps)
Display: To indicate that the calibration was canceled,
the Ain front of the magnification is deleted.

14 Leica MZ16 A – System operation
Reference circle for measurements
The small or the large reference circle on the graticule in the
eyepiece or the complete field of view can be selected as refer-
ence circle for measurements. The selected reference circle
remains stored until it is canceled or replaced by a different
mode.
Activate REF menu.
The display shows the reference circle C2 (or C1 or FOV)
selected last and the diameter for the current magnification.
The current magnification returns after 3 seconds.
Activate the selection menu REF while the current reference
circle is displayed.
Select circle 1 or 2 or FOV (field of view) ▲▼
Confirm and display the selection SEL (beep).
Display: C2 (or C1 or FOV) and mm (or inch or mil) depending
on the selection
Select mm, inch or mil ▲▼
Confirm and display the selection SEL (beep).
The current magnification returns after 3 seconds.
Repeat measurement display with REF.
Selecting the
reference circle
and unit of measure

We recommend using the optional gliding stage for very
fine positioning of the specimen for measurement
purposes.
Adjust the magnification to be used for measuring.
Focus the specimen.
Activate the menu REF.
Activate the selection menu REF while the current reference
circle is displayed.
Observe which reference circle is the closest correspon-
dence to specimen section to be measured and correspond-
ingly select Circle 1 or 2 or FOV (field of view) with ▲▼
Confirm and display the selection SEL (beep).
Display: C2 (or C1 or FOV) and mm (or inch or mil) depending
on the selection.
Select mm, inch or mil ▲▼
Confirm and display the selection SEL (beep).
The current magnification returns after 3 seconds.
Observe the specimen section to be measured and adjust the
magnification with the handwheel so that the specimen
section completely fills the reference circle.
Display the measurement with REF.
The current magnification returns after 3 seconds.
Repeat measurement display with REF.
Measuring
15
Leica MZ16 A – System operation

16 Leica MZ16 A – Dimensions
Dimensions of Leica MZ16 A
1.0x Planapo
1.0x Planapo
MZ16A
MZ16A
with incident-light stand with transmitted-light stand
Dimensions in mm

Weights
Optics carrier 2 kg
Microscope carrier 0.495 kg
Objective nosepiece 0.76 kg
Planapochromatic objective 2×1.1 kg
Focusing drive with column 1.15 kg
Technical data of power supply
Input voltages 85 V to 264 V, 47 Hz to 63 Hz
Output voltage 12 VDC
Supply connector IEC 320
Low-voltage connector Mini-DIN 5-pole
Operating temperature +10 °C to +40 °C
Relative humidity < 85 %
Storage temperature –20°C to +55°C
17
Leica MZ16 A –Technical data
echnical data

Illustrations, descriptions and technical data are not binding and may be changed without notice. M2-116-0en •© Leica Microsystems (Switzerland) Ltd •CH-9435 Heerbrugg, 2002 •Printed in Switzerland –10.6.2002 –RDV
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