BT 2000 Hands-free system for corded regular telephones Operating manual ALAN Electronics GmbH
General information BT 2000 The headset BT 2000 is a comfortably to wear hands-free headset for regular telephones (i.e. office telephone systems). The new Bluetooth TM technology gives you the opportunity for reliable and bug-free wireless transmission to your existing telephone. The system consists of a headset and an audio gateway that ensures connection to the presently used telephone handset. This audio gateway can be used as charging station and as well for storing.
Hardware requirements for existing telephone and safety advice: Almost all wired telephones with a conventional handset and a plug-in handset cable can be connected. Today nearly all modern home- and office telephones are equipped with a plug-in receiver cable (4 pin “Western” sockets). The BT 2000 only replaces the microphone and the earpiece of your telephone handset so that you can move around within a range of several meters of your work place without any cables.
of your audio-gateway. Plug the wall charger in a 230V socket. • Insert the Bluetooth™ headset in the audio gate way as shown below. The charging light at the audio gateway will light up. • Lift up your telephone handset. You should hear the normal dial tone and be able to use your telephone (with the original handset) as usual. In case you don´t hear anything, check the newly plugged-in connections and check out the other positions of the slide switch at the bottom of the audio gateway.
Important advice to prepare the headset before wearing on your ear The headset is being delivered folded up. The same position is used for charging in the charging station or for storing. To wear it on your ear please turn the microphone arm (1) as indicated downwards. The earhook (2) is flexible at the end so that it can be adjusted to the individual ear shape. 2 1 To wear it on your ear fold the earhook (3) backwards for no more than 1 or 2 cm. 4 3 5 max.
Accept incoming calls and adjust receiving volume • By once pressing the talk button TM at your Bluetooth headset you can take over a call with your wireless headset. Switch-over will always take a short moment. During switch-over you will hear a short melody. • Adjust the earphone volume by pressing the volume buttons or of the headset according to your wishes. You may also feel the volume keys with your fingers: The key with one dot reduces the volume, while the key with 2 dots will increase it.
Troubleshooting Under certain circumstances it cannot be excluded totally that current supply interruptions or interferences may perhaps have influence on the correct functions of the set.
TM After this procedure audio-gateway und Bluetooth headset are paired. Privacy of your phone TM conversation is ensured by the digital encryption and the Bluetooth transmission protocol between audio-gateway and headset. If the pairing process has not been successful, you may have made a mistake or perhaps you have performed the steps in the wrong sequence. In that case start the procedure once more again from the beginning.
Technical Data Wireless transmission system Spread-Spectrum Bluetooth TM Standard 1.1, Class 2 Frequency range 2402 to 2480 MHz Channels 79 with 1 Mhz bandwidth per channel Radiated transmission power (ERP) max. + 4 dBm (2.5 mW), with automatic power control Modulation digital encryption, FHSS, GMSK, 1 Mbit/s Channel occupancy system frequency hopping 625 µs time slot Maximum communication distance approx. 10 m Operating time switched on (StandBy) max. appr. 90 hours talk time max. appr.
