KaVo GENTLEsilence LUX 8000B User manual

Instructions for use
GENTLEsilence LUX 8000B - 1.000.0800 |
GENTLEsilence 8000C - 1.000.2800
Always be on the safe side.

Distributed by:
KaVo Dental GmbH
Bismarckring 39
D-88400 Biberach
Phone [phone]
Fax [phone]
Manufacturer:
Kaltenbach & Voigt GmbH
Bismarckring 39
D-88400 Biberach
www.kavo.com

Contents
1 User instructions ........................................................................................................................................ 2
2 Safety ........................................................................................................................................................ 3
2.1 Description of safety instructions ..................................................................................................... 3
2.2 Safety instructions ........................................................................................................................... 3
3 Product description .................................................................................................................................... 6
3.1 Purpose – Proper use ...................................................................................................................... 6
3.2 Technical data ................................................................................................................................. 7
3.3 Transportation and storage conditions ............................................................................................ 7
4 First use ..................................................................................................................................................... 8
4.1 Attach the MULTIflex coupling ........................................................................................................ 8
4.2 Check the amount of water ............................................................................................................. 8
4.3 Check the pressure ......................................................................................................................... 8
4.4 Check O-rings ................................................................................................................................. 9
5 Troubleshooting ....................................................................................................................................... 10
5.1 Exchanging the O-rings on the coupling on the supply hose ........................................................ 10
5.2 Cleaning the spray nozzle. ............................................................................................................ 10
5.3 Change the water filter .................................................................................................................. 10
6 Preparation methods according to ISO 17664 ........................................................................................ 11
6.1 Preparations at the site of use ....................................................................................................... 11
6.2 Cleaning ........................................................................................................................................ 11
6.2.1 Manual cleaning - external ............................................................................................... 11
6.2.2 Automated external cleaning ............................................................................................ 11
6.2.3 Manual cleaning - internal ................................................................................................ 12
6.2.4 Automated internal cleaning ............................................................................................. 12
6.3 Disinfection .................................................................................................................................... 12
6.3.1 Manual disinfection - external ........................................................................................... 13
6.3.2 Manual disinfection - internal ............................................................................................ 13
6.3.3 Machine disinfection - external and internal ..................................................................... 13
6.4 Drying ............................................................................................................................................ 14
6.5 Care products and systems - Servicing ......................................................................................... 14
6.5.1 Servicing with KaVo Spray ............................................................................................... 14
6.5.2 Care of the KaVo SPRAYrotor ......................................................................................... 15
6.5.3 Servicing with KaVo QUATTROcare ................................................................................ 15
6.6 Packaging ...................................................................................................................................... 16
6.7 Sterilisation .................................................................................................................................... 16
6.8 Storage .......................................................................................................................................... 16
7 Tools and consumables .......................................................................................................................... 17
8 Terms and conditions of warranty ........................................................................................................... 18
Instructions for use GENTLEsilence LUX 8000B - 1.000.0800 | GENTLEsilence 8000C - 1.000.2800
Contents
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1 User instructions
Dear User
Congratulations on purchasing this KaVo quality product. By following the instruc‐
tions below you will be able to work smoothly, economically and safely.
© Copyright by KaVo Dental GmbH
Symbols
Refer to the chapter on Safety/Warning symbol
Important information for users and service technicians
Can be steam-sterilised at 134 °C -1 °C / +4 °C (273 °F -1.6 °F / +7.4 °F)
Thermodisinfectable
CE mark (European Community). A product bearing this mark meets the
requirements of the applicable EC directive.
Action request
Target group
This document is intended for dentists and their assistants. The section on start‐
ing up is also intended for service technicians.
Instructions for use GENTLEsilence LUX 8000B - 1.000.0800 | GENTLEsilence 8000C - 1.000.2800
1 User instructions
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2 Safety
2.1 Description of safety instructions
Warning symbol
Structure
DANGER
The introduction describes the type and source of the hazard.
This section describes potential consequences of non-compliance.
▶The optional step includes necessary measures for hazard prevention.
Description of hazard levels
The safety instructions listed here, together with the three levels of danger will
help avert property damage and injury.
CAUTION
CAUTION
indicates a hazardous situation that can cause damage to property or mild to
moderate injuries.
WARNING
WARNING
indicates a hazardous situation that can lead to serious or fatal injury.
DANGER
DANGER
indicates a maximal hazard due to a situation that can directly cause death or
fatal injury.
2.2 Safety instructions
WARNING
Hazards for the care provider and the patient.
In the case of damage, irregular running noise, excessive vibration, un-typical
warming or when the cutter or grinder cannot be held.
▶Do not use further and notify Service.
Instructions for use GENTLEsilence LUX 8000B - 1.000.0800 | GENTLEsilence 8000C - 1.000.2800
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CAUTION
Premature wear and malfunctioning from improper storage during long periods
of nonuse.
Reduced product life.
▶The medical device should be cleaned, serviced and stored in a dry location,
according to instructions, before long periods of nonuse.
CAUTION
Injury or damage due to wear.
Irregular running noise, significant vibration, overheating, imbalance or insuffi‐
cient grip.
▶Stop work and seek service support.
CAUTION
Risk due to incorrectly stored instrument.
Injury and infection caused by chucked cutters or grinders.
Damage to clamping system from dropping the instrument.
▶After treatment, place the instrument properly in the cradle, without the cutter
or grinder.
WARNING
Hazard from contraindication.
If the soft tissue in the oral cavity is injured, the compressed air may enable sep‐
tic substances to enter the tissue.
▶Treatment must be discontinued with instruments operated by compressed
air when soft tissue is damaged in the oral cavity.
CAUTION
Burning hazard from hot instrument cover.
If the instrument overheats, burns may arise in the oral area.
▶Never contact soft tissue with the instrument head.
CAUTION
Hazard from use as a light probe.
Do not use the device as a light probe since the rotating cutters or grinders can
cause injury.
▶Use an appropriate light probe for additional illumination of the oral cavity or
site of preparation.
Note
For safety reasons, we recommend that the tool holder system be checked an‐
nually after the warranty period expires.
Instructions for use GENTLEsilence LUX 8000B - 1.000.0800 | GENTLEsilence 8000C - 1.000.2800
2 Safety | 2.2 Safety instructions
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The following individuals are authorized to repair and service KaVo products:
▪ Technicians at KaVo branches throughout the world
▪ Technicians specially trained by KaVo
To ensure proper function, the medical device must be set up according to the re‐
processing methods described in the KaVo Instructions for Use, and the care
products and care systems described therein must be used. KaVo recommends
specifying a service interval at the dental office for a licensed shop to clean, serv‐
ice and check the functioning of the medical device. This service interval depends
on the frequency of use and should be adjusted accordingly.
Service may only be carried out by KaVo-trained repair shops using original KaVo
replacement parts.
Instructions for use GENTLEsilence LUX 8000B - 1.000.0800 | GENTLEsilence 8000C - 1.000.2800
2 Safety | 2.2 Safety instructions
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3 Product description
GENTLEsilence LUX 8000 B (Mat. no. 1.000.0800)
GENTLEsilence 8000 C (Mat. no. 1.000.2800)
3.1 Purpose – Proper use
Purpose:
This medical device is
▪ Only intended for dental treatment. Any other type of use or alteration to the
product is impermissible and can be hazardous. The medical device is inten‐
ded for the following uses: Removal of carious material, cavities and crown
preparations, removal of fillings, processing of tooth, restoration surfaces and
surgical procedure.
▪ A medical device according to relevant national statutory regulations.
Proper use:
According to these regulations, this medical device may only be used for the de‐
scribed application by a knowledgeable user. The following must be observed:
▪ the applicable health and safety regulations
▪ the applicable accident prevention regulations
▪ these instructions for use
According to these regulations, it is the responsibility of the user to:
▪ only use equipment that is operating correctly,
▪ use the equipment for the proper purpose,
▪ protect him or herself, the patient and third parties from danger, and
▪ avoid contamination from the product.
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3 Product description | 3.1 Purpose – Proper use
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3.2 Technical data
Minimum pressure 2.1 bar
Drive pressure 2.1 to 4.2 bar
Recommendation 2.8 bar
Air consumption 39 to 51 Nl/min.
Idle speed 330,000 to 380,000 rpm
Recommended operating pressure 2 to 3 N
Can be attached to all MULTIflex (LUX) / MULTIflex LED couplings.
3.3 Transportation and storage conditions
CAUTION
It is hazardous to start up the medical device after it has been stored strongly
refrigerated.
This can cause the medical device to malfunction.
▶Prior to start-up, very cold products must be heated to a temperature of 20°C
to 25°C (68°F to 77°F).
Temperature: -20°C to +70°C (-4°F to +158°F)
Relative humidity: 5% RH to 95% RH absence of condensation
Air pressure: 700 hPa to 1060 hPa (10 psi to 15 psi)
Protect from moisture
Instructions for use GENTLEsilence LUX 8000B - 1.000.0800 | GENTLEsilence 8000C - 1.000.2800
3 Product description | 3.2 Technical data
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4 First use
WARNING
Hazard from non-sterile products.
Infection hazard for care provider and patient.
▶Before first use and after each use, prepare and sterilise the medical device
and accessories accordingly.
CAUTION
Damage from soiled and moist cooling air.
Contaminated and moist cooling air can cause malfunctions and lead to prema‐
ture bearing wear.
▶Make sure that the supply of cooling air is dry, clean and uncontaminated ac‐
cording to ISO 7494-2.
4.1 Attach the MULTIflex coupling
▶ Screw the MULTIflex (LUX) / MULTIflex LED coupling onto the turbine hose
and tighten with the wrench.
The water fraction of the spray can be controlled through rotating the spray ring
on the MULTIflex (LUX) / MULTIflex LED coupling.
4.2 Check the amount of water
CAUTION
Overheating of the tooth due to lack of cooling water.
Thermal damage to the dental pulp.
▶Adjust the water amount for the spray cooling to a minimum of 50 cm3/min
4.3 Check the pressure
CAUTION
Compressed air connection on devices.
Dirty and moist compressed air causes premature bearing wear.
▶Ensure that the cooling air is dry, clean and uncontaminated in accordance
with EN ISO 7494-2.
▶ Insert the test gauge (Mat. no. 0.411.8731) between the
MULTIflex (LUX) / MULTIflex LED coupling and the medical device, and check
the following pressures:
- Drive pressure: 2.8 bar (40 psi)
- Return air: < 0.5 bar (7 psi)
- Water: 0.8 to 2.5 bar (12 to 36 psi)
Instructions for use GENTLEsilence LUX 8000B - 1.000.0800 | GENTLEsilence 8000C - 1.000.2800
4 First use | 4.1 Attach the MULTIflex coupling
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A higher drive pressure will be reduced automatically by the medical device.
4.4 Check O-rings
CAUTION
Missing or damaged O-rings.
Malfunctions and premature failure.
▶Make sure that all O-rings are on the coupling and undamaged.
Number of available O-rings: 5
Instructions for use GENTLEsilence LUX 8000B - 1.000.0800 | GENTLEsilence 8000C - 1.000.2800
4 First use | 4.4 Check O-rings
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5 Troubleshooting
5.1 Exchanging the O-rings on the coupling on the supply hose
CAUTION
Hazard from improper care of the O-rings.
Malfunctions or complete failure of the medical device.
▶Do not use Vaseline or other grease or oil.
Note
The O-ring on the coupling may only be lubricated with a cotton ball wet with KA‐
VO spray.
▶ Press the O-ring between your fingers to form a loop.
▶ Shove the O-ring to the front, and remove it.
▶ Insert new O-rings into the grooves.
5.2 Cleaning the spray nozzle.
CAUTION
Hazard from insufficient amount of spray water.
Insufficient spray water can cause the medical device to overheat and damage
the tooth.
▶Check spray water channels and if necessary clean spray nozzles with the
nozzle needle (Mat. no. 0.410.0921).
▶ Clean the water passage in the spray nozzles by using the nozzle needle
(Mat. no. 0.410.0921).
5.3 Change the water filter
▶ Unscrew the sleeve ① anticlockwise from the insert ② and pull off.
▶ Pull back the insert ② slightly.
▶ Use tweezers to remove the water filter ③ from the insert ②.
▶ Insert a new water filter.
▶ Pull back the insert ② slightly.
▶ Place the sleeve ① on the insert ②, and screw it tight clockwise.
Instructions for use GENTLEsilence LUX 8000B - 1.000.0800 | GENTLEsilence 8000C - 1.000.2800
5 Troubleshooting | 5.1 Exchanging the O-rings on the coupling on the supply hose
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6 Preparation methods according to ISO 17664
6.1 Preparations at the site of use
WARNING
Hazard from nonsterile products.
There is a risk of infection from contaminated medical devices.
▶Take suitable personal protective measures.
▶ Remove all residual cement, composite or blood without delay.
▶ Recondition the medical device as soon as possible after treatment.
▶ Remove the cutter or grinder from the medical device.
▶ The medical device must be dry when transported for reconditioning.
▶ Do not place it in a solution or similar.
6.2 Cleaning
CAUTION
Malfunctions from cleaning in the ultrasonic unit.
Defects in the product.
▶Only clean manually or in a thermodisinfector.
6.2.1 Manual cleaning - external
Required accessories:
▪ Tap water 30°C ± 5°C (86°F ± 10°F)
▪ Brush such as a medium hard toothbrush
▶ Brush off under flowing tap water.
6.2.2 Automated external cleaning
KaVo recommends thermodisinfectors in accordance with EN ISO 15883-1, which
are operated with alkaline cleaning agents with a pH value of max. 10 (e.g. Miele
G 7781 / G 7881 – Validation was carried out with Programme "VARIO-TD",
cleaning agent "neodisher® mediclean", neutralisation agent "neodisher® Z" and
rinsing agent "neodisher® mielclear" and only applies to the material compatibility
with KaVo products).
▶ For program settings as well as cleansers and disinfectants to be used, please
refer to the Instructions for Use of the thermodisinfector (complying with max.
pH value of 10).
Instructions for use GENTLEsilence LUX 8000B - 1.000.0800 | GENTLEsilence 8000C - 1.000.2800
6 Preparation methods according to ISO 17664 | 6.1 Preparations at the site of use
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▶ In order to prevent negative effects on the medical device, make sure that the
interior and the exterior of the medical device are dry after completion of the
cycle, and then grease it immediately with servicing agents from the KaVo
care system.
6.2.3 Manual cleaning - internal
Can only be done with KaVo CLEANspray or KaVo DRYspray.
▶ Cover the medical device with the KaVo CLEANpac bag, and place it on the
corresponding care adapter. Press the spray button three times for 2 seconds
each time. Remove the medical device from the spray attachment and let the
cleaner work for one minute.
▶ Afterwards, rinse for 3-5 seconds with KaVo DRYspray.
See also: KaVo CLEANspray / KaVo DRYspray Instructions for Use
Note
KaVo CLEANspray and KaVo DRYspray for manual interior cleaning are only
available in the following countries:
Germany, Austria, Switzerland, Italy, Spain, Portugal, France, Luxembourg, Bel‐
gium, Netherlands, United Kingdom, Denmark, Sweden, Finland and Norway.
In other countries interior cleaning can only be carried out with thermodisinfec‐
tors in accordance with EN ISO 15883-1.
6.2.4 Automated internal cleaning
KaVo recommends thermodisinfectors in accordance with EN ISO 15883-1, which
are operated with alkaline cleaning agents with a pH value of max. 10 (e.g. Miele
G 7781 / G 7881 – Validation was carried out with Programme "VARIO-TD",
cleaning agent "neodisher® mediclean", neutralisation agent "neodisher® Z" and
rinsing agent "neodisher® mielclear" and only applies to the material compatibility
with KaVo products).
▶ For program settings as well as cleansers and disinfectants to be used, please
refer to the Instructions for Use of the thermodisinfector (complying with max.
pH value of 10).
▶ In order to prevent negative effects on the medical device, make sure that the
interior and the exterior of the medical device are dry after completion of the
cycle, and then grease it immediately with servicing agents from the KaVo
care system.
6.3 Disinfection
CAUTION
Malfunctioning from using a disinfectant bath or disinfectant containing chlorine.
Defects in the product.
▶Only disinfect in a thermodisinfector or manually.
Instructions for use GENTLEsilence LUX 8000B - 1.000.0800 | GENTLEsilence 8000C - 1.000.2800
6 Preparation methods according to ISO 17664 | 6.3 Disinfection
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6.3.1 Manual disinfection - external
KaVo recommends the following products based on material compatibility.
▪ Mikrozid AF made by Schülke & Mayr (liquid or cloths)
▪ FD 322 made by Dürr
▪ CaviCide made by Metrex
Consumables required:
Cloths for wiping off the medical device.
▶ Spray the disinfectant on a cloth, then thoroughly wipe down the medical de‐
vice and leave the disinfectant to soak in according to the instructions from the
disinfectant manufacturer.
▶ Follow the instructions for use of the disinfectant.
6.3.2 Manual disinfection - internal
The efficacy of manual internal disinfection must be demonstrated by the manu‐
facturer of the disinfection agent. With KaVo products, use only disinfection
agents that have been released by KaVo with respect to the compatibility of mate‐
rials (e.g. WL-cid / made by ALPRO).
▶ Immediately after internal disinfection, lubricate the KaVo medical device im‐
mediately with care agents from the KaVo care system.
▶ Follow the instructions for use of the disinfectant.
6.3.3 Machine disinfection - external and internal
KaVo recommends thermodisinfectors in accordance with EN ISO 15883-1, which
are operated with alkaline cleaning agents with a pH value of max. 10 (e.g. Miele
G 7781 / G 7881 – Validation was carried out with Programme "VARIO-TD",
cleaning agent "neodisher® mediclean", neutralisation agent "neodisher® Z" and
rinsing agent "neodisher® mielclear" and only applies to the material compatibility
with KaVo products).
▶ For program settings as well as cleansers and disinfectants to be used, please
refer to the Instructions for Use of the thermodisinfector (complying with max.
pH value of 10).
▶ In order to prevent negative effects on the medical device, make sure that the
interior and the exterior of the medical device are dry after completion of the
cycle, and then grease it immediately with servicing agents from the KaVo
care system.
Instructions for use GENTLEsilence LUX 8000B - 1.000.0800 | GENTLEsilence 8000C - 1.000.2800
6 Preparation methods according to ISO 17664 | 6.3 Disinfection
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6.4 Drying
Manual Drying
In general, use dry, clean and uncontaminated cooling air according to EN ISO
7494-2 for manual drying.
▶ Blow off the outside and inside with compressed air until water drops are no
longer visible.
Automatic Drying
The drying procedure is normally part of the cleaning program of the thermodisin‐
fector.
▶ Follow the instructions for use of the thermodisinfector.
6.5 Care products and systems - Servicing
WARNING
Sharp cutters or grinders in the medical device.
Risk of injury from sharp or pointed cutters or grinders.
▶Remove cutter or grinder.
CAUTION
Premature wear and malfunctions from improper servicing and care.
Reduced product life.
▶Perform proper care regularly!
Note
KaVo only guarantees that its products will function properly when the care prod‐
ucts used are those listed as accessories, as they were tested for proper use on
our products.
6.5.1 Servicing with KaVo Spray
KaVo recommends servicing the project twice daily (at noon and in the evening
after hours), after each time the machine is cleaned, and before each sterilisation.
▶ Remove the cutter or grinder and close the chuck.
▶ Cover the product with the Cleanpac bag.
▶ Place the product on the cannula, and press the spray button for one second.
Instructions for use GENTLEsilence LUX 8000B - 1.000.0800 | GENTLEsilence 8000C - 1.000.2800
6 Preparation methods according to ISO 17664 | 6.4 Drying
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Care of clamping chuck
KaVo recommends cleaning and servicing the chuck system once a week.
▶ Remove the cutter or grinder, place the spray nipple tip in the opening and
spray.
▶ Carry out the servicing according to the instructions in the section, "Care with
KaVo Spray".
6.5.2 Care of the KaVo SPRAYrotor
KaVo recommends servicing the product after each time it is used, i.e. after each
automatic cleaning and before each sterilisation.
▶ Place the product on the appropriate coupling of the KaVo SPRAYrotor and
cover it with a CLEANpac bag.
▶ Service the product.
6.5.3 Servicing with KaVo QUATTROcare
Cleaning and care unit with expansion pressure for effective cleaning and care.
KaVo recommends servicing the product as part of the reprocessing after each
use, i.e. after each cleaning, disinfection, and before each sterilisation.
▶ Remove the cutter or grinder.
▶ Servicing the product.
KaVo QUATTROcare plus spray can
KaVo recommends cleaning and servicing the chuck system once a week.
See the KaVo QUATTROcare instructions for use
▶ Remove the cutter or grinder, place the spray nipple tip in the opening and
spray.
▶ Subsequently treat with the care products and care systems specified.
See also: Servicing with KaVo QUATTROcare 2104 / 2104A
Instructions for use GENTLEsilence LUX 8000B - 1.000.0800 | GENTLEsilence 8000C - 1.000.2800
6 Preparation methods according to ISO 17664 | 6.5 Care products and systems - Servicing
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6.6 Packaging
Note
The sterilisation bag must be large enough for the handpiece so that the bag is
not stretched.
The quality and use of the sterilisation packaging must satisfy applicable stand‐
ards and be suitable for the sterilisation procedure!
▶ Weld each medical device individually in a sterilised item package!
6.7 Sterilisation
Sterilisation in a steam steriliser (autoclave) in accordance with EN
13060 / ISO 17665-1
CAUTION
Premature wear and malfunctions from improper servicing and care.
Reduced product life.
▶Before each sterilisation cycle, service the medical device with KaVo care
products.
CAUTION
Contact corrosion due to moisture.
Damage to product.
▶Immediately remove the product from the steam steriliser after the sterilisa‐
tion cycle!
The KaVo medical device has a maximum temperature resistance up to 138 ℃
(280.4 °F).
Select a suitable procedure (depending on the available autoclave) from the fol‐
lowing sterilisation processes:
▪ Autoclave with three times pre-vacuum:
– at least 3 minutes at 134 °C -1 °C / +4 °C (273 °F -1.6 °F / +7.4 °F)
▪ Autoclave using the gravity method:
– at least 10 minutes at 134 °C -1 °C / +4 °C (273 °F -1.6 °F / +7.4 °F)
▶ Use according to the manufacturer's Instructions for Use.
6.8 Storage
▶ Reprocessed products should be stored protected from dust with minimum ex‐
posure to germs in a dry, dark and cool space.
▶ Comply with the expiry date of the sterilised items.
Instructions for use GENTLEsilence LUX 8000B - 1.000.0800 | GENTLEsilence 8000C - 1.000.2800
6 Preparation methods according to ISO 17664 | 6.6 Packaging
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7 Tools and consumables
Obtainable from the dentalmed. specialist supplier
Material summary Mat. no.
Replacement turbine including wrench 1.003.6883
Replacement turbine without wrench 1.003.6884
Water filter with nipple 1.000.4823
Handpiece stand 2151 0.411.9501
Nozzle needle 0.410.0921
Insert for turbines 0.411.9902
Cleanpac 10 units 0.411.9691
MULTIflex spray head (nozzle) 0.411.9921
STERIclave bags 0.411.9912
Material summary Mat. no.
Adaptor INTRAmatic (CLEANspray and
DRYspray)
1.007.1776
KaVo CLEANspray 2110 P 1.007.0579
KaVo DRYspray 2117 P 1.007.0580
KaVo Spray 2112 A 0.411.9640
ROTAspray 2 2142 A 0.411.7520
QUATTROcare plus Spray 2140 P 1.005.4525
Instructions for use GENTLEsilence LUX 8000B - 1.000.0800 | GENTLEsilence 8000C - 1.000.2800
7 Tools and consumables
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8 Terms and conditions of warranty
The following warranty conditions apply to this KaVo medical device:
KaVo provides the end customer with a warranty of proper function and guaran‐
tees zero defects in respect of material and processing for a period of 24 months
from the date of the invoice, subject to the following conditions:
In case of justified complaints, KaVo will honour its warranty with a free replace‐
ment or repair. Other claims of any nature whatsoever, in particular with respect
to compensation, are excluded. In the event of default, gross negligence or intent,
this shall only apply in the absence of mandatory legal regulations to the contrary.
KaVo shall not be liable for defects and their consequences that have arisen or
may arise from natural wear, improper handling, cleaning or maintenance, non-
compliance with operating, maintenance or connection instructions, calcination or
corrosion, contaminated air or water supplies or chemical or electrical factors
deemed abnormal or impermissible in accordance with KaVo's instructions for use
or other manufacturer's instructions. The warranty granted does not usually ex‐
tend to lamps, light conductors made of glass and glass fibres, glassware, rubber
parts, and the colourfastness of plastic parts.
All liability is excluded if defects or their consequences originate from manipula‐
tions or changes to the product made by the customer or a third party that is not
authorised by KaVo.
Warranty claims will only be accepted if the product is submitted along with proof
of purchase in the form of a copy of the invoice or note of delivery. The dealer,
purchase date, type, and serial number must be clearly evident from this docu‐
ment.
Instructions for use GENTLEsilence LUX 8000B - 1.000.0800 | GENTLEsilence 8000C - 1.000.2800
8 Terms and conditions of warranty
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