Instruction/ maintenance manual of the product AC 2 Sennheiser
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Active T ransmitter Combiner 4:1 AC 2 Instructions for use 11.
12 Brief description With the AC 2 4-to-1 ac tive transmitter c ombiner, the signals o f u p t o f o u r S R 3 0 0 I E M G 2 t r a n s m i t t e r s c a n b e c o m b i n e d onto a single antenna. The AC 2 also incorporates DC distribu- tion for powering the transmitters.
13 Safety instructions Caution! Never open the unit! If units are opened by you in breach of this instruct ion, the warranty becomes nu ll and void. Attention! Make sure that the air vent s of the uni.
14 Operating controls Red LED for o peration in dication On/off switch (POWER) DC input (DC IN) for mains unit Cable grip for powe r supply DC cable Four DC outputs (DC OUT) for po.
15 Putting the unit into operation The below connection diagram shows the connections for a 4-channel system. Setting up the unit The unit is suit able for use as table top or can be mounted into a rack. 왘 For mounti ng the unit into a 19" r ack, use the GA 2 rack adapter (optional accessory).
16 Connecting the transmitters You can connect up to fo ur SR 300 IEM G2 transmitters to the combiner. The combiner incorp o r a t e s D C d i s t r i b u t i o n f o r powering the transmitters. 왘 Pass the cables coming from the combiner’s DC outputs through the cable grips at the rear of the transmitters.
17 Connecti ng the mains unit The combiner is powered via the NT 3 mains un it. T o switch t he combiner on, press the on/off switch (POWER). The red LED lights up, indicating the the uni t is ready for operation. 왘 Pass the cable through the cable grip .
18 Specifications Active transmitter combiner 4:1 Frequency range 500 to 870 MHz Distribution attenuation 0 dB (±1 dB) RF input power max. 100 mW per input Impedance 50 Ω Power supply 12 V DC ±5 % Current con sumption max. 1.5 A +1 A for power ing the transmitters Accessories NT 3 Mains unit for AC 2 and four transm itters (e.
19 ENGLISH The guarantee period for this Sennheiser produ ct is 24 months from the date of purchase. Excluded are accessory items, rechargeable or di sposable batteries that are deliver ed with the product; due to their characterist ics these products have a shorter service l ife that is principa lly dependent on the individual frequency of use.
53 EG-Konformitäts-Erklärung EC Certificate of Conformit y / Décl aration de conformité pour la CEE Certificat o di conformitá c omunitario Declaración de Conformidad / EG-Conformiteitsverklaring SENNHEISER electronic GmbH & Co.
54 Bemerkung: V or Inbe triebnahme sind die jeweiligen länd erspezifischen V orschriften zu beachten! Important: Before putting the devi ce into operation, please observe the respective country-spe- cific regulations! Important: A vant d’utiliser l’appareil, veuillez ob serv er les dispositions légales en vigueur dans votre pays.
Sennheiser electronic GmbH & Co. KG 30900 W edemark, Germany Phone: +49 (513 0) 600 0 Fax : +49 (5130) 600 300 www.sennheiser.com Printed in Germany Publ.
An important point after buying a device Sennheiser AC 2 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sennheiser AC 2 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sennheiser AC 2 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sennheiser AC 2 you will learn all the available features of the product, as well as information on its operation. The information that you get Sennheiser AC 2 will certainly help you make a decision on the purchase.
If you already are a holder of Sennheiser AC 2, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sennheiser AC 2.
However, one of the most important roles played by the user manual is to help in solving problems with Sennheiser AC 2. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sennheiser AC 2 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
