User manual HOBART AMXXR-30

[. . . ] We have designed this product to give you reliable operation over many years. Over 60 years of accumulated expertise in the design and manufacture of high-quality electro-acoustic equipment have made Sennheiser a world-leading company in this field. Please take a few moments to read these instructions carefully, as we want you to enjoy your new Sennheiser products quickly and to the fullest 1 Important safety instructions Important safety instructions · Read this instruction manual. Always include this instruction manual when passing the device on to third parties. [. . . ] Using the GA 3 rack adapter (see "Accessories" on page 15), one AMXXR-30 and one stationary SR 300 IEM G3 type transmitter can be mounted into a 19" rack. Alternatively, you can stack the AMXXR-30. For stacking the AMXXR-30, mount the optional stacking elements (see "Accessories" on page 15). The AMXXR-30 is suitable for the following areas of application: · Multi-channel monitoring systems for stage use · Multi-channel systems suitable for any application where talk-back signals are to be transmitted (e. g. studio) Delivery includes 1 AMXXR-30 active transmitter combiner 1 set of device feet 4 BNC cables 1 instruction manual You additionally require the NT 3-1 table top power supply with a suitable mains connector (see "Accessories" on page 15). 4 Operating controls Operating controls ³· DC ANTENNA COMBINER AMXXR-30 1 2 3 4 » RF IN 4 ANT RF IN 1 RF IN 2 RF IN 3 RF OUT DC OUT 12V/350mA USE NT 3-1 ONLY 13, 8V/3, 5A DC IN º ¶ ² ´¿ ³ STANDBY button · Operation indicator » 4 status LEDs ­ light up if the supply voltage for the transmitter is available at the BNC sockets RF IN 1 to RF IN 4 ­ go off if the BNC sockets RF IN 1 to RF IN 4 are shortcircuited or if transmitters are connected that are not of the ew G3 series (e. g. transmitters of the ew G2 series) ¿ Cable grip for cable of table top power supply ´ DC IN socket for connection of NT 3-1 table top power supply ² 4 BNC sockets RF IN 1 to RF IN 4 RF inputs for connection of the transmitters Each of these RF inputs can power one transmitter. ¶ Air vents º BNC socket RF OUT for connecting the transmitting antenna 5 Block diagram Block diagram The below block diagram shows the connections for a 4-channel system with a single antenna. AC DC NT 3-1 ANT RF Output STANDBY AMXXR-30 DC feed RF Inputs DC SR 300 SR 300 SR 300 SR 300 6 Putting the AMXXR-30 into operation Putting the AMXXR-30 into operation Preparing the AMXXR-30 for use Setting up the AMXXR-30 on a flat surface Place the AMXXR-30 on a flat, horizontal surface. Fastening the stacking elements The stacking elements (see "Accessories" on page 15) are designed to help protect the operating elements from damage or deformation, e. g. Fasten the stacking elements even if you do not want to stack your AMXXR-30. Do not fasten the stacking elements when mounting the AMXXR-30 into a 19" rack (see page 9). To fasten the stacking elements ¾: ¾ Unscrew and remove the two recessed head screws (M4x8) on each side of the AMXXR-30. Secure the rack mount "ear" µ and the blanking plate ¸ to the 19" rack. Rack mounting To rack mount the AMXXR-30 and an SR 300 IEM G3 type transmitter two devices into into the same 19" slot: the same 19" slot Place the two devices side by side upside-down onto a flat surface: µ µ Secure the jointing plate head screws (M 3x6). to the devices using six recessed 10 Putting the AMXXR-30 into operation Secure the rack mount "ears" µ (supplied with the optional GA 3 rack adapter) to the devices as described in the section "Fastening the stacking elements" on page 7. Slide the devices into the 19" rack. Secure the rack mount "ears" to the 19" rack. Connecting devices to the AMXXR-30 Connecting We recommend connecting a remote antenna and, if necessary, the antenna using Sennheiser antenna accessories (see "Accessories" on page 15). For more information, refer to the ew G3 product page at www. sennheiser. com. Connecting You can connect up to four stationary SR 300 IEM G3 type the transmitters transmitters to the AMXXR-30. The active transmitter combiner also incorporates DC distribution for powering the transmitters: RF IN 1 RF IN 2 RF IN 3 RF IN 4 DC OUT 12V/350mA USE NT 3-1 O 13 DC IN ² Connect the transmitter's antenna output to one of the BNC sockets RF IN 1 to RF IN 4 ². Suitable BNC cables are included in the delivery. Transmitters of the ew G3 series do not require their individual power supply. They are now powered via the BNC sockets RF IN 1 to RF IN 4 ². [. . . ] Disconnecting the AMXXR-30 from the mains DC 1 2 3 4 The STANDBY button ³ does not disconnect the AMXXR-30 from the ³ mains. To disconnect the AMXXR-30 from the mains: Unplug the NT 3-1 table top power supply from the wall socket. The AMXXR-30 is switched off. Cleaning the AMXXR-30 CAUTION!Liquids can damage the electronics of the device! [. . . ]