Sennheiser ASA 1 Bedienungsanleitung
ASA 1
Antenna Splitter
Istruzioni per l’uso
Instrucciones de uso
Notice d’emploi
Bedienungsanleitung
Instruction manual Gebruiksaanwijzing
Manual de instruções
ASA1_538979_0811_SP9.book Seite 1 Freitag, 24. Juni 2011 12:53 12
ASA1_538979_0811_SP9.book Seite 2 Freitag, 24. Juni 2011 12:53 12
Contents
ASA 1 | 1
ENFRITNLPTRUZH ES DE
Contents
Important safety instructions................................................ 2
The ASA 1 active antenna splitter ........................................ 4
Combination possibilities of ASA 1/ASA 1-1G8........... 5
Delivery includes....................................................................... 5
Operating elements.................................................................. 6
Putting the ASA 1 into operation.......................................... 8
Preparing the ASA 1 for use............................................. 8
Connecting devices to the ASA 1 and
switching the ASA 1 on................................................... 14
Making an 8-channel system using the ASA 1........... 17
Cleaning the ASA 1................................................................. 20
If a problem occurs ................................................................ 20
Specifications .......................................................................... 21
Manufacturer Declarations................................................... 22
ASA1_538979_0811_SP9.book Seite 1 Freitag, 24. Juni 2011 12:53 12
2 | ASA 1
Important safety instructions
Important safety instructions
• Read this instruction manual.
• Keep this instruction manual. Always include this
instruction manual when passing the device on to third
parties.
• Heed all warnings and follow all instructions in this
instruction manual.
• Clean only with a slightly damp cloth.
• Refer all servicing to qualified service personnel.
Servicing is required if the device has been damaged in
any way, liquid has been spilled, objects have fallen
inside, the device has been exposed to rain or moisture,
does not operate properly or has been dropped.
• WARNING: To reduce the risk of fire or electric shock, do
not use the device near water and do not expose it to
rain or moisture. Do not place objects filled with liquids,
such as vases or coffee cups, on the device.
• Only use the NT 1-1 mains unit.
• Do not block any ventilation openings. Install the device
in accordance with the instructions given in this
manual.
• Do not install the device near any heat sources.
• Only use attachments/accessories specified by
Sennheiser.
ASA1_538979_0811_SP9.book Seite 2 Freitag, 24. Juni 2011 12:53 12
Important safety instructions
ASA 1 | 3
ENFRITNLPTRUZH ES DE
Replacement parts
When replacement parts are required, be sure the service
technician uses replacement parts specified by Sennheiser
or those having the same characteristics as the original
part. Unauthorized substitutions may result in fire, electric
shock, or other hazards.
Safety check
Upon completion of any service or repairs to this device,
ask the service technician to perform safety checks to
determine that the device is in a safe operating condition.
Intended use
Intended use of the ASA 1 includes:
• having read and understood this instruction manual
especially the chapter “Important safety instructions”
on page 2,
• using the device within the operating conditions and
limitations described in this instruction manual.
“Improper use” means using the ASA 1 other than as
described in this instruction manual, or under operating
conditions which differ from those described herein.
ASA1_538979_0811_SP9.book Seite 3 Freitag, 24. Juni 2011 12:53 12
4 | ASA 1
The ASA 1 active antenna splitter
The ASA 1 active antenna
splitter
The ASA 1 active antenna splitter has been designed to
enable routing of UHF antenna signals to several receivers
in a multi-channel system. Up to four diversity receivers
may be supplied with signal by only two antennas. The
integral RF amplifiers ensure that the ASA 1 does not
introduce any additional UHF signal loss.
The ASA 1 incorporates DC distribution to enable
simultaneous powering of up to four receivers and two
antenna boosters via its BNC sockets. The antenna
boosters may be required in order to compensate for cable
losses due to long antenna cables. A single NT 1-1 mains
unit (to be ordered separately) is required to power the
ASA 1, the connected receivers and antenna boosters.
By linking two ASA 1, an 8-channel diversity system can be
operated with only two antennas.
Using the GA 3 rack adapter, two ASA 1 or one ASA 1 and
one stationary receiver (e.g. EM 100 G3, EM 300 G3 or
EM 500 G3) can be mounted into a 19” rack.
The ASA 1 is suitable for the following areas of application:
• Multi-channel RF installations
• Permanent installations in small conference centres
and similar venues
ASA1_538979_0811_SP9.book Seite 4 Freitag, 24. Juni 2011 12:53 12
Delivery includes
ASA 1 | 5
ENFRITNLPTRUZH ES DE
Combination possibilities of
ASA 1/ASA 1-1G8
The ASA 1 active antenna splitter is also available for
the 1785–1805 MHz frequency range (ASA 1-1G8). The
following table shows the combination possibilities for
both devices.
Delivery includes
1 ASA 1/ASA 1-1G8 antenna splitter
1 set of device feet
8BNCcables
1 instruction manual
You additionally require the NT 1-1 mains unit with a
suitable mains connector (available as accessory).
Device/product
class
Combination possibilities
ASA 1 ASA 1-1G8
Receivers EM x00 G3-A, -G,
-GB, -B, -C, -D, -E
EM x00 G3-1G8
Rod antennas not labeled labeled “1G8”
Remote antennas A 2003,
A 1031
AD 1800
Antenna boosters AB 3-A, -G, -GB,
-B, -C, -D, -E
AB 3-1G8
A list of accessories can be found on the ASA 1
product page at www.sennheiser.com.
ASA1_538979_0811_SP9.book Seite 5 Freitag, 24. Juni 2011 12:53 12
6 | ASA 1
Operating elements
Operating elements
1Standby button
2Operation indicator
3Cable grip for cable of mains unit
4DC IN socket
for connection of NT 1-1 mains unit
5BNC socket RF OUT A
RF output only for connection of an additional ASA 1
(to create a 1-to-8 diversity splitter)
FFour BNC sockets A1 to A4
RF outputs of diversity section A for connection of the
receivers
Each of these RF outputs can power one receiver.
7BNC socket ANT RF IN A
antenna input of diversity section A
8BNC socket ANT RF IN B
antenna input of diversity section B
Each of the BNC sockets ANT RF IN A 7and
ANT RF IN B 8can power two AB 3 antenna boosters.
9Four BNC sockets B1 to B4
RF outputs of diversity section B for connection of the
receivers
1
345
2
6789
ASA1_538979_0811_SP9.book Seite 6 Freitag, 24. Juni 2011 12:53 12
Operating elements
ASA 1 | 7
ENFRITNLPTRUZH ES DE
Block diagram
The below block diagram (also depicted on the base of the
device) shows the signal flow in the device.
ASA1_538979_0811_SP9.book Seite 7 Freitag, 24. Juni 2011 12:53 12
8 | ASA 1
Putting the ASA 1 into operation
Putting the ASA 1 into
operation
Preparing the ASA 1 for use
Setting up the ASA1 on a flat surface
For table-top use, fix the device feet to the base of the
ASA 1.
왘Ensure that the base of the ASA 1 is clean and free from
grease before fitting the device feet.
왘Fix the device feet to the base of the ASA 1 by peeling
off the backing paper and fitting them as shown on the
left.
왘Place the ASA 1 on a flat, horizontal surface.
CAUTION
Risk of staining of surfaces!
Surfaces are often treated with varnish, polish or
synthetics which might cause stains when they come into
contact with other synthetics such as the device feet.
왘Do not place the ASA 1 on delicate surfaces.
ASA1_538979_0811_SP9.book Seite 8 Freitag, 24. Juni 2011 12:53 12
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