sewerin AQUAPHON A 50 Manuel utilisateur
17.07.2017 a – 107489 – en
AQUAPHON®
A 50 receiver
Operating instructions
A 50 receiver
Arrow keys
●Up key
Fig. 1: A 50 receiver viewed from various angles
●Down key
Activation key
Display
Filter key
Menu key
Enter key
Belt clip
Headphone socket
Microphone socket
Charging socket
Connectors
A 50 receiver
Fig. 2: Display with main view
Battery symbol for receiver
Current noise level (bar)
Current minimum noise level (marker)
Current minimum noise level
Minimum noise level
●last
●last but one
Filter level
Battery symbol for wireless head-
phones
Hearing protection level
Volume
Information about this document
Warnings and notes in this document mean the following:
AWARNING!
Risk of personal injury. Could result in serious injury or
death.
ACAUTION!
Risk of personal injury. Could result in injury or pose a risk
to health.
NOTICE!
Risk of damage to property.
Note:
Tips and important information.
Numbered lists (numbers, letters) are used for:
●Instructions that must be followed in a certain order
Lists with bullet points (point, dash) are used for:
●Lists
●Instructions that only involve one step
Numbers between forward slashes /.../ refer to the referenced doc-
uments.
Contents│ I
1 Introduction .............................................................................1
1.1 Warranty....................................................................................1
1.2 Purpose.....................................................................................2
1.3 Intended use .............................................................................2
1.4 General safety information ........................................................3
2 AQUAPHON system................................................................4
2.1 General information regarding the system ................................4
2.2 Hearing protection.....................................................................4
2.3 System components..................................................................5
2.3.1 Overview ................................................................................5
2.3.2 A 50 receiver ..........................................................................6
2.3.2.1 Setup...................................................................................6
2.3.2.2 Carrying options..................................................................7
2.3.2.3 Activation key operating modes ..........................................8
2.3.2.4 Noise level display ..............................................................8
2.3.2.5 Power supply.....................................................................10
2.3.3 Microphones.........................................................................10
3 Using the system ..................................................................13
3.1 Preparing the system ..............................................................13
3.2 Switching on the system .........................................................13
3.2.1 A 50 receiver only.................................................................13
3.2.2 System with F8 wireless headphones..................................13
3.2.3 System with K3 headphones................................................14
3.3 Switchingothesystem..........................................................15
3.4 Starting and ending a measurement (listening to noises) .......15
3.5 Adjusting the volume...............................................................16
3.6 Adjustingthelters..................................................................17
4 Settings ..................................................................................19
4.1 Overview .................................................................................19
4.2 Backlight (LIGHT)....................................................................20
4.3 Operating mode (ACTIVATION) ..............................................21
4.4 Display rotation (DISPLAY) .....................................................22
4.5 Hearing protection (MUTE) .....................................................23
4.6 Hearing protection threshold (PROTECT) ..............................24
4.7 Factory settings (RESET) ......................................................26
II │Contents
5 Maintenance and error management ..................................27
5.1 Charging the batteries.............................................................27
5.2 Care ........................................................................................28
5.3 Maintenance............................................................................28
5.4 Solving problems.....................................................................29
5.4.1 Error message......................................................................29
5.4.2 Handling defective lithium-ion batteries ...............................29
5.4.2.1 Identifying a defective battery ...........................................30
5.4.2.2 Removing the battery from the A 50 receiver....................30
6 Appendix................................................................................32
6.1 Technical data .........................................................................32
6.1.1 A 50 receiver ........................................................................32
6.1.2 TS 50 test rod.......................................................................34
6.1.3 UM 50 universal microphone ...............................................35
6.2 Microphonecongurationoptions ...........................................36
6.3 A 50 receiver ...........................................................................37
6.3.1 Adjustablelters...................................................................37
6.3.1.1 Bandpass ..........................................................................37
6.3.1.2 Notchlter.........................................................................37
6.3.2 Factory settings....................................................................38
6.4 Accessories.............................................................................39
6.5 Declarations of conformity.......................................................40
6.6 Advice on disposal ..................................................................40
7 Index.......................................................................................41
1 Introduction│ 1
1 Introduction
1.1 Warranty
The following instructions must be complied with in order for any
warranty to be applicable regarding functionality and safe oper-
ation of this equipment.
●Read these operating instructions prior to operating the prod-
uct.
●Use the product only as intended.
●Repairs and maintenance must only be carried out by special-
ist technicians or other suitably trained personnel. Only spare
parts approved by Hermann Sewerin GmbH may be used
when performing repairs.
● Changesormodicationstothisproductmayonlybecarried
out with the approval of Hermann Sewerin GmbH.
●
Use only Hermann Sewerin GmbH accessories for the product.
Hermann Sewerin GmbH shall not be liable for damages result-
ing from the non-observance of this information. The warranty
conditions of the General Terms and Conditions (AGB) of Her-
mann Sewerin GmbH are not broadened by this information.
In addition to the warnings and other information in these Oper-
ating Instructions, always observe the generally applicable safety
and accident prevention regulations.
The manufacturer reserves the right to make technical changes.
2 │1Introduction
1.2 Purpose
The AQUAPHON system with A 50 receiver is intended for elec-
tro-acoustic water leak detection. The system can be used both
outdoors and inside buildings.
The following uses are possible:
●Preliminary detection
− atttings(e.g.hydrants,slidegates)
●Pinpointing leaks
−on paved surfaces (e.g. asphalt, concrete, paving)
−on unpaved surfaces (e.g. gravel, crushed rock, grass)
Note:
The descriptions in these operating instructions relate to the sys-
tem as delivered (factory settings). The manufacturer reserves
the right to make changes.
1.3 Intended use
The system is intended for professional industrial and commer-
cial use. The appropriate specialist knowledge is required to op-
erate the system.
Note:
If necessary, learn more about the principles of the technology
before commencing practical work with the system.
Thesystemmustonlybeusedfortheapplicationsspeciedin
section 1.2.
1 Introduction│ 3
1.4 General safety information
This product was manufactured in accordance with all binding
legal and safety regulations. It corresponds to the state of the
art and complies with conformity requirements. The product is
safe to operate when used in accordance with the instructions
provided.
However, if you handle the product improperly or not as intend-
ed, the product may present a risk to persons and property. For
this reason, observe the following safety information without fail.
Risk of personal injury (health risk)
●
Handle the components carefully and safely both during trans-
port and when working.
●Proceed with extreme caution in the vicinity of electrical lines.
Hazards for the product and other property
●Always handle the components carefully.
●Do not drop the components.
●Do not place the components in places where they are at risk
of falling.
●Before starting work, check that the components are in good
working order. Never use damaged or defective components.
●Ensure that no dirt or moisture gets into the connections on
the components.
●Always observe the permitted operating and storage temper-
atures.
4 │2AQUAPHONsystem
2 AQUAPHON system
2.1 General information regarding the system
In order to use the system for leak detection, a microphone must
be connected to the A 50 receiver. The microphone picks up
noises.
If you press the Activation key on the receiver, you can hear the
noises through the headphones. The playback volume is adjust-
able. The noises are not saved.
2.2 Hearing protection
The system features a hearing protection function which protects
the user from sudden loud sound interference. This type of sound
interference can occur if a vehicle drives past or if the touch mi-
crophoneslipsothecontactpoint.
Hearingprotectionisactivatedwhenthepredenedhearingpro-
tection threshold is exceeded. When the noise from the source
ofinterferenceceases,hearingprotectionswitchesoagainau-
tomatically.
The way in which hearing protection works depends on the set-
tings (section 4.5 on page 23).
Note:
Another way of protecting the hearing from loud noises is to set
the volume only as high as is absolutely necessary.
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