Contacta RF-RXU Operation manual

2 English
1. General information
1.1 Introduction
Thank you very much for purchasing the Contacta RF communication system!
You have chosen a modern and reliable system. Please read this manual ca-
refully to be able to set up the unit correctly and to familiarise yourself with
all of the systems features.
Contacta RF is an ideal system for application within groups – ranging from
simple dialogue to interpreter-, team-teaching- and conference systems.
Being slim and light-weight in design, it combines quality and versatility with
easy use and state-of-the-art radio technology.
1.2 Scope of delivery Contacta RF-RXU
Please check if all of the following components are included:
- Contacta RF-RXU
- rechargeable battery
- user manual
- warranty card
Should any parts be missing, please contact your dealer or the manu-
facturer directly.
1.3 Main Features
- Worldwide compatibility due to restriction-free 2.4 GHz transmission
- Large transmission range of up to 150 m
- Fully digitalized crystal clear sound quality
- Up to 6 hours of use per battery charge
- Switchesonandoautomatically
- Easy connecting to transmitters
1.4 Available accessories
- Silicone rubber earpieces, standard (24 pairs)
- Silicone rubber earpieces, tapered (24 pairs)
- Rechargeable battery BATT-RF-RXU

English 3
2. Contacta RF-RXU underchin receiver
2.1 Controls and displays
Front Back
volume
control
rechargeable battery
CONNECT-button
(internal)
indicator-LED
EN

4 English
3. Safety information
•Thedeviceisdesignedexclusivelyforoperationwithindryinteriorspaces.A
 awlessfunctionisguaranteedforaroomtemperatureof10°Cto35°C.
•Please handle the device and the accessories carefully and use them only in
low-dust and clean locations.
• Clean the transmitter regularly. When used for groups of people, the silicone
rubber earpieces should be cleaned or replaced after use for hygienic reasons.
Replacement ear pieces are available as accessories (see page 2 and 7).
Caution:
The receiver can be set to a high volume. Please adhere to the following in-
formation to protect your ears or the ears of persons with normal hearing,
especially children, from hearing impairments caused by high volume.
•Pleasesetalowvolumelevelbeforeyouputthereceiveron.
•Duringuse,adjustthevolumetoanagreeablelevel.
•Before using this product with a pacemaker, please contact your physician
or the manufacturer of the pacemaker to ensure that the pacemaker is not
 subjecttopossibleinterference.
Safety information for the lithium polymer battery
The battery used in the RF-RXU is a lithium polymer battery, which was pro-
duced in accordance with the most current standards and safety regulations.
The battery can be damaged when misused or if not used according to the
specications.
Warning!
The following risks exist in extreme cases:
- Heat development - Fire development
- Explosion - Smoke and gas development

English 5
•Donotheatthebatteryabove70°C,e.g.,throughsunradiationorby
 castingitintore.
•Donotexposethebatterytowaterormoisture.
•Protectthebatteryfromshortcircuits.
•Donotdisassembleordeformthebattery.
•Storedevice/batteryincoolanddryplacesatroomtemperature.
•Useonlytheprovidedchargersforthebattery.
•Rechargethe battery in the device regularly in case the device is not used
for a longer time (every 6 months for app. 1 hour).
•Chargethebatteryonlyatambienttemperaturesof10°Cto40°C.
•Donotrechargethebatteryifthedeviceisclearlydamaged.
Handling:
EN

6 English
4. Using the RF-RXU
4.1 Volume adjustment
Adjustthevolume control initially to a low volume to protect your ears.
The volume increases when you turn the dial in the direction of »5« and it
decreases when you turn the dial in the direction of »0«.
4.2 Switching on and o
Place the receiver on your ears. The receiver switches on automatically when
thespeakerarmsareexpanded.Thereceiverisswitchedoautomatically
whentakingito.
4.3 Reception
Reception will start as soon as the device is switched on. The blue indicator
LED will blink twice every second during an active connection with a Con-
tacta RF transmitter. The indicator LED will begin to blink if there is no active
connection.
4.3 Connecting to a Contacta RF transmitter
Switch a Contacta RF transmitter (RF-TX1, RF-TRX, RF-TXS, or RF-TXRM) on.
The transmitter should be set to MASTER-priority (except RF-TX1, which is
MASTER by default).
To make sure that the RF-RXU connects to the transmission of the intended
transmitter, the receiver should be in close proximity to this transmitter. Place
theRF-RXUonyourearsanduseapointedobjecttopresstheinternalCON-
NECT-button for 2 seconds. The LED blinks in fast succession and the receiver
will now connect with the transmitter.
When switchingthereceiveroandonagain,thereceiverwillautomatically
connect to the previously connected transmitter, given that its channel group
number has not been changed since then. If the channel group number of the
respective transmitter has changed, the receiver needs to be reconnected by
means of the CONNECT button, as described above.
4.4 Power supply / recharge
The device is equipped with a rechargeable lithium-polymer battery of 3,7 V
/280mAh.PlacetheRF-RXUinthechargingdockoftherespectivecharger
(single charger, charging case RF-RXU-DC10).

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5. Specications Contacta RF-RXU
Device type: Receiver
Dimensions: 225 x 95 x 19 mm (H x W x D)
Weight: 70 g (incl. battery)
Frequencytype:  ISM2403-2480MHz
Transmission mode: ISM 2.4 GHz FSK modulation with frequency hopping
RX-sensitivity: -95 dBm
Latency: < 30 ms
Channel distance: 1 MHz
Data rate: 2 Mbps
Power:  LI-POL3,7V/280mAh
Use time per charge: Approx. 6 h typical
This device complies with the following EU directives:
- REDDirective2014/53/EU  
     -EMCDirective2014/30/EU  
     -LVDDirective2014/35/EU
     -RoHSDirective2011/65/EU  
     -WEEEDirective2012/19/EU
Compliance withthedirectiveslistedaboveisconrmedbytheCEsealon
the device.
Specicationsmaychangewithoutpriornotice.
TheredchargingstatusLEDislitduringrecharge.TheLEDswitchesowhen
the battery is fully loaded.
4.5 Silicone rubber earpieces - cleaning / replacing
You can easily pull the earpieces from the speakers. Clean the earpieces with
mild soapy water. Dry the earpieces well before replacing them.
The skin-neutral silicone earpieces must be replaced if they are very conta-
minated or damaged.
EN

8English
Maintenance and care
All »Contacta RF«-devices do not require any maintenance.
If they become dirty, simply wipe them clean with a soft, damp cloth. Never
use spirits, thinners or other organic solvents. Do not expose them to full
sunlight.
In addition, they must be protected against excessive heat, moisture and se-
vere mechanical shocks.
Note: These products (with exception of the RF-TRX) are not protected
againstsplashwater.Donotplaceanycontainerslledwithwater,suchas
owervases,oranythingwithanopename,suchasalitcandle,aboveor
near the products.
Warranty
All »Contacta RF«-devices are very reliable products. Should a malfunction
occur despite the unit having been set up and operated correctly, please con-
tact your dealer or the manufacturer directly.
This warranty covers the repair of the product and returning it to you free
of charge. It is recommended that you send in the product in its original pa-
ckaging, so keep the packaging for the duration of the warranty period.
The warranty does not apply to damage caused by incorrect handling or att-
empts to repair the unit by unauthorised persons (destruction of the seal on
the unit).
Repairs will only be carried out under warranty if the completed warranty
cardisreturnedaccompaniedbyacopyofthedealer’sinvoice/tillreceipt.
Always specify the product serial number in any event.
Rechargeable battery
The provided battery can be recycled. Please dispose of the battery
through the battery container or the specialist shop. Please dispose only
discharged batteries to support environmental protection.

English 9
Disposal of used electric and electronic units (applicable in the
countriesoftheEuropeanUnionandotherEuropeancountrieswith
a separate collection system). The symbol on the product or the
packaging indicates that this product is not to be handled as ordinary
household waste but has to be returned to a collecting point for the recycling
of electric and electronic units.
Help to protect the environment and health of your fellow men by the correct
disposal of this product. Environment and health are endangered by careless
disposal. Material recycling helps to reduce the consumption of raw material.
You will receive further information on the recycling of this product from your
local community, your communal disposal company or your local dealer. EN

10 Deutsch
1. Allgemeine Information
1.1 Einführung
Vielen Dank für den Kauf des Contacta RF Kommunikationssystems! Sie
haben sich dabei für ein modernes und zuverlässiges System entschieden.
Bitte lesen Sie diese Bedienungsanleitung aufmerksam durch, um die Ge-
räte richtig in Betrieb nehmen zu können und mit allen Möglichkeiten des
Systems vertraut zu werden.
Contacta RF ist ein ideales System für Gruppenanwendungen - vom ein-
fachen Sprachübertrag bis hin zu Dolmetscher-, Team-Teaching- und Kon-
ferenzsystemen. Leicht und schlank im Design vereint es Qualität und
Vielseitigkeit mit Bedienungsfreundlichkeit und dem neuesten Stand der
Funktechnologie.
1.2 Lieferumfang Contacta RF-RXU
Überprüfen Sie bitte, ob alle nachfolgend aufgeführten Teile enthalten sind:
- Contacta RF-RXU
- Akku
- Bedienungsanleitung
- Garantiekarte
Sollten Teile fehlen, wenden Sie sich bitte an den Fachhändler oder direkt
an den Hersteller.
1.3 Hauptmerkmale
- Weltweit nutzbare 2.4 GHz-Übertragung
- Hohe Reichweite von bis zu 150 m
- Vollständig digitale, kristallklare Tonqualität
- Bis zu 6 Stunden Betriebszeit pro Akkuladung
- Schaltet bei Tragen automatisch ein
- Einfacher Kopplungsvorgang
1.4 Lieferbares Zubehör
- Silikon-Ohrstücke Standard (24 Paar)
- Silikon-OhrstückeVerjüngt(24Paar)
- Ersatz-Akku BATT-RF-RXU