bon SL-72 User manual

Instruction manual
GA bon SL-72_75 Rev 1.1 E 180506
PO Box 32 26
23581 Lübeck
Stellmacherstraße 14
23556 Lübeck
Phone [phone]
Fax [phone]
E-Mail: [email protected]
Internet: www.bon.de
Sparkasse zu Lübeck
(Sort code 230 501 01) Acc.No. 1 014 885
Swift / BIC: HSHN DE H1 SPL
IBAN: DE 2305 0101 0001 0148 85
Commerzbank Lübeck
(Sort code 230 400 22) Acc.No. 0 107 755
Postbank Hamburg
(Sort code 200 100 20) Acc-No. 409 22-204
Slit lamp bon SL-72/SL-75
bon Optic Vertriebsgesellschaft mbH – Managing director: H. Jochen Kaber – HR Lübeck, HRB 3475 – VAT No. 161662634

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Contents
1Introduction .....................................................................................................4
2Important information.....................................................................................5
2.1 System information............................................................................................. 5
2.2 Application and classification ............................................................................. 5
2.3 Liability ............................................................................................................... 5
2.4 Scope of delivery................................................................................................ 6
3Safety instructions..........................................................................................7
4Description of the device................................................................................8
4.1 Composition of the slit lamp............................................................................... 8
4.2 Microscope......................................................................................................... 9
4.3 Slit projector ..................................................................................................... 10
5Setting-up, assembly and repair..................................................................11
6Powering-up ..................................................................................................13
7Operation of the apparatus ..........................................................................14
7.1 Focussing the microscope................................................................................ 14
7.2 Examination...................................................................................................... 14
8Maintenance and care...................................................................................15
8.1 Care.................................................................................................................. 15
8.2 Maintenance..................................................................................................... 15
8.3 Repairs you can carry out yourself................................................................... 16
8.3.1 Changing the slit projector lamps....................................................................................16
8.3.2 Changing the focussing light lamp...................................................................................16
8.3.3 Changing the fuses .........................................................................................................17
8.4 Power supply disruptions ................................................................................. 17
9Guarantee ......................................................................................................18
10 Technical data ...............................................................................................19
Appendix: EC Declaration of Conformity
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1 Introduction bon SL-72 / SL-75
1 Introduction
Dear customer
Thank you for purchasing our bon SL-72/SL-75 slit lamp. Please read the operating
instructions carefully before using the device. Keep this instruction manual safe for further
use.
Please observe the safety instructions.
If you have any further questions, please contact our customer helpline.
Meaning of the symbols in the operating instructions
Caution! Please observe the safety instructions with this symbol to prevent
personal danger or damage to property.
Important! Indicates particularly important information to maintain the
function of the device/system or to extend its life.
Note! Indicates information for correct use so that errors may be avoided.
This publication may not be copied or transferred without prior agreement from bon Optic.
bon Optic reserves the right to make changes in the interest of technical development. These operating
instructions are not subject to updating.
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2 Important information bon SL-72 / SL-75
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2 Important information
2.1 System information
Manufacturer: bon Optic Vertriebsgesellschaft mbH · Stellmacherstr. 14 · D- 23556 Lübeck
Name of device : bon SL-72/SL-75
2.2 Application and classification
The bon SL-72/SL-75 slit lamp is used to examine the structures at the front of the eye.
The SL-72/SL-75 slit lamp is a Class 1 non-invasive, active medical device in accordance
with the classification regulations of Directive 93/42/EWG on medical devices (MDD).
2.3 Liability
The slit lamp is manufactured according to the current technical status and the recognised
safety regulations and is tested in accordance with strict quality criteria.
bon Optic only accepts liability for the safety, reliability and performance of the slit lamp if
assembly and any changes or repairs have been carried out by a person authorised
by bon Optic to do so.
the power supply to which the device is connected corresponds to the national
legislation.
the device is operated in accordance with these operating instructions.
the operator complies with the Ordinance on the Operation of Medical Devices.
If the device is assembled, changed or repaired by an unauthorised person, if it is improperly
maintained or not used as described in 2.2, the manufacturer is no longer liable.

2 Important information bon SL-72 / SL-75
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2.4 Scope of delivery
1 x slit lamp bon SL-72/SL-75
1 x instruction manual
1 x dust shield
1 x focussing light
1 x replacement lamp 6V/20W
1 x non-slip surface
1 x mouth cover with fixing screw
1 x test rod
2 x gear wheel plates
2 x running wheel covers
1 x set of screws
1 x power socket with front cover
Components needed for operation
- Head rest
- Mains adaptor
Special equipment
- Eyepiece for length and angle measurements
- Applanation tonometer
- InLine video package, photo attachment
- Digital image processing (Eye Image)

3 Safety instructions bon SL-72 / SL-75
3 Safety instructions
Please follow the legal requirements on accident prevention and observe the following safety
instructions!
Setting-up and assembly:
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The slit lamp should not be assembled and operated in damp rooms.
Ensure that the device is on a level and stable surface during assembly.
The mains voltage must be the same as stated on the product label.
Operating:
Do not subject the slit lamp to extremes of temperature. It is recommended that the
device be used at temperatures of between +10° C and +40° C.
The slit lamp must not be used in areas where there is a danger of explosion.
Avoid dropping or splashing water on the device.
The slit lamp must only be used by authorised persons.
Do not attempt to move or shake the slit lamp with excessive force. First check
whether the adjustment screws have been loosened.
The moveable arm and slit projector can move up and down between their bases.
Make sure you don’t squash your hands!
Do not open the protective cover of the halogen lamp whilst the device is in use. You
could be burnt!
Other information:
Do not pull on the power cable in order to remove the plug from the socket. Pull on
the plug directly.
Ensure that no damage occurs to the cable (e.g. sharp edges, high heat).

4 Description of the device bon SL-72 / SL-75
4 Description of the device
The bon slit lamp SL-72/SL-75 is a professional universal instrument with magnification
adjustment for examination of the front structures of the eye.
4.1 Composition of the slit lamp
Main components:
(
2
)
Axis
(5) Moveable arm
(4) Joystick
(7) Slit projector
(3) Base
(6) Microscope
(1) Head rest
Diagram 4-1: Slit lamp bon SL-72/SL-75
The slit lamp sits on a base (3) with orthogonal movement. The slit lamp can be moved in an
x and y direction using the joystick (4). Moving the joystick from left to right will change the
height (approx. 4cm) of both the microscope (6) and the slit projector (7) to line up with the
eye to be examined. The microscope and slit projector can be moved independently on the
joint axis (2).
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4 Description of the device bon SL-72 / SL-75
4.2 Microscope
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(2) Magnification adjuster
(on SL-75)
(1) Lens
(3) Eyepiece (replaceable)
(4) Eyepiece lever
(5) Yellow filter
Diagram 4-2: Microscope of the SL-72/SL-75
The eyepiece (3) with standard 12.5x magnification enables an ametropia equalisation of
+/- 5 dpt. By extending or pushing in the eyepiece lever (4), the distance to the pupil can be
adjusted.
Magnification adjuster (2): 6x/10x/16x/25x/40x
for SL-72: 10x/16x (using a switch)
The slit lamp SL-72/SL-75 enables:
Microscopy of the back structures of the eye using a Goldmann contact glass.
Examination of the eye and evaluation of the position of contact lenses with
fluorescent light.
Tonometry with a Goldmann tonometer.
Measurement of the cornea and contact lenses with a length measurement eyepiece.

4 Description of the device bon SL-72 / SL-75
4.3 Slit projector
(1) Lamp housing
(2) Filter
(3) Adjustable dial for slit height
(4) Fixing screw for horizontal and vertical slit angle
(5) Adjustment for horizontal slit angle
(6) Fixing screw for the slit projector
(7) Fixing screw for moveable arm
(8) Adjustable dial for slit width
Diagram 4-3: Slit projector
The slit projector offers a wide spectrum of different types of lighting. The slit width (8) can be
continuously adjusted from 0 to 14mm. The slit height (3) can be continuously varied from
1.8 to 12mm with the optional use of apertures and a blue filter. Green, blue, red and grey
(heat protection) filters are also available as filters (2).
By loosening the fixing screw (4), the slit projector can be inclined horizontally at four
different levels (5) and turned vertically.
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