Instruction/ maintenance manual of the product ASA 1 Sennheiser
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ASA 1 Antenna Splitter Instruction manual.
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1 Contents Important safety instructions ....... ... .............. ............... ........... ...... 2 The ASA 1 active antenna splitter .. ............ ........... .............. ......... 4 Delivery includes .. .............. .............. ......
2 Important safety instructions Important safety instructions • Read this instruction manual. • Keep this instruction manual. Always include this instruction manual when passing the device on t o third parties. • Heed all warnings and follow all instruction s.
3 Important safety instructions Intended use of the device Intended use of the ASA 1 includes: • having read and understood this instr uction manual especially the chapter “Im portant safety instructions” on page 2, • using the device wi thin the operating conditio ns and limitations described in this instruction manual.
4 The ASA 1 active antenna splitter The ASA 1 active antenna splitter The ASA 1 active antenna spl itter has been designed to enable routing of UHF antenna signals to several receivers in a multi- channel system. Up to four dive rsity receivers may be supplied with signal by only two antennas.
5 Operating elements Operating elements On/Off button Operation indicator Cable grip for cable of mains unit DC IN socket for connection o f NT 1-1 mains unit BNC socket RF OUT A R.
6 Operating elements Block diagram The below block diagram (also depicted on the base of the device) shows the signal flow in the device..
7 Putting the ASA 1 into operation Putting the ASA 1 into operation Preparing the ASA 1 for use For table-t op use, fix the device feet to the base of the ASA 1. Do not fit the device feet when mounting the ASA 1 into a 19” rack. 왘 Ensure that the base of the ASA 1 is clean and free from grease before fitting th e device feet.
8 Putting the ASA 1 into operation Stacking several ASA 1 You can stack the ASA 1 and the re ceivers on top of each other. . 왘 Stack the devices so that the recesses of the stacking elements completely engage with each other. Mounting the ASA 1 into a 19” rack Do not fit the devi ce feet when mounting the ASA 1 into a 19” rack.
9 Putting the ASA 1 into operation For rack mounting the ASA 1, you require (see “Accessories and spare parts” on page 17): • the GA 3 19“ rack adapter Rack mounting one ASA 1 왘 Unscrew and remove the two recessed head scr ews (M4x8) on one side of th e ASA 1.
10 Putting the ASA 1 into operation If you want to front mount the antennas: 왘 Use the optional AM 2 antenna front moun t kit (see “Accessories and spare parts” on page 17). I f y o u w a n t t o u s e r e m o t e a n t e n n a s ( s e e “ A c c e s s o r i e s a n d s p a r e parts” on page 17): 왘 Connect the remote antennas.
11 Putting the ASA 1 into operation Rack mounting two devices i nto the same 19” slot 왘 Place the two devices (e.g. the ASA 1 and a stationary receiver) side by side upsi de-down onto a flat surface: 왘 Secure the jointing pl ate to the devices using six recessed head screws (M 3x 6).
12 Putting the ASA 1 into operation Connecting devices to the ASA 1 and switching the ASA 1 on Connecting the antennas 왘 You can connect the following antenna types to the antenna inputs and : – two A 103 1-U or A 2003-UHF passi ve antennas – or a combination of passi ve antenna (A 1031-U or A 2003-U) and a ntenna booster (AB 3).
13 Putting the ASA 1 into operation Connecting the ASA 1 to the mains For powering the ASA 1, the connected receivers and two optional antenna boosters, yo u require the NT 1-1 mains unit (see “Accessories and spare parts” on page 17). 왘 Pass the cable of the NT 1-1 mains unit through the cable grip .
14 Putting the ASA 1 into operation Making an 8-channel system using the ASA 1 There are two ways to link two ASA 1 together to create a 1-to- 8 diversity splitter: First possibility: T w o antennas supply an 8-channel system * AB-3 antenna boosters are only required for longer antenna cables (from approx.
15 Putting the ASA 1 into operation Second possibility: Linking tw o 4-channel systems * AB-3 antenna boosters are only required for longer ant enna cables (from approx .
16 Cleaning the ASA 1 Cleaning the ASA 1 왘 Before cleaning, dis connect the ASA 1 from the mains (see page 13). 왘 Only use a slig htly damp cl oth to clean the devi ce.
17 Accessories and spare parts Accessories and spare parts The following ASA 1 accessories are available from your Sennheiser partner: Cat. No. Accessory/spar e part 503158 NT 1-1 EU Mains unit for po.
18 Specifications Specifications Ty p e a p p r o v a l s ASA 1 antenna splitter 2 x 1:4 or 1 x 1:8, active Antenna cable 8 items, 50 cm, BNC Frequency range 500 to 870 MHz at –3 dB Amplification In A – Out A 0 ± 1 dB Amplification In A – Out A1 .
19 Manufacturer Declarations Manufacturer Declarations Wa rr a nt y Sennheiser electronic GmbH & Co. KG gives a war ranty of 24 months on this product. Additional warranty con ditions can be found on our websit e at www.sennheiser.com under “Service & Su pport” and “T erms of Wa rr an ty ”.
Sennheiser electronic GmbH & Co. KG Printed in Germany Am Labor 1, 30900 W edemark, Germany Publ. 01/09 www.sennheiser.com 532034/A01.
An important point after buying a device Sennheiser ASA 1 (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 ASA 1 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 ASA 1 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sennheiser ASA 1 you will learn all the available features of the product, as well as information on its operation. The information that you get Sennheiser ASA 1 will certainly help you make a decision on the purchase.
If you already are a holder of Sennheiser ASA 1, 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 ASA 1.
However, one of the most important roles played by the user manual is to help in solving problems with Sennheiser ASA 1. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sennheiser ASA 1 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
