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Verfügbare Sprachen
Verfügbare Sprachen
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Please read these operating instructions carefully prior
to operating the unit and keep them for later use.
1 Applications
The antenna amplifier UB-900 serves to improve the
interference safety and to enlarge the range of the
series of multifrequency receivers US-... from JTS
which are equipped with BNC antenna jacks. Depend-
ing on the local conditions, it is possible to double or
triple the range.
Two antenna amplifiers are required for one receiv-
er. These may either directly be connected to the
receiver or via the antenna splitter UA-900 from JTS.
The amplifier receives its power from the receiver or
from the splitter via the jack OUTPUT (2).
2 Important Notes
The unit corresponds to all required directives of the
EU and is therefore marked with
The unit is suitable for indoor use only. Protect it
against dripping water and splash water, high air
humidity, and heat (admissible ambient temperature
range 0 – 40 °C).
For cleaning only use a dry, soft cloth, by no means
chemicals or water.
No guarantee claims for the unit and no liability for
any resulting personal damage or material damage
will be accepted if the unit is used for other purposes
than originally intended, if it is not correctly mounted
or connected, or not repaired in an expert way.
If the unit is to be put out of operation defini-
tively, take it to a local recycling plant for a
disposal which is not harmful to the environ-
ment.
All rights reserved by MONACOR
be reproduced in any form or by any means for any commercial use.
ANT
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®
INTERNATIONAL GmbH & Co. KG. No part of this instruction manual may
1 Power LED
2 BNC jack OUTPUT for passing on
3 16 mm (
4 BNC jack ANT for inserting the sup-
5 Mounting bracket
6 Mounting screw for fastening the
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3 Setting into Operation
For mobile applications the antenna amplifier can be
mounted on any microphone stand with 16 mm (
thread. For a fixed installation a mounting bracket is
supplied which can also be screwed to a rack for units
(482 mm/19").
1) For a fixed installation a trial run should be made
beforehand so that the optimum mounting place for
the antennas can be determined (see the following
operating steps). Then mount the supplied mount-
ing bracket (5) at a suitable place. The minimum
distance to the second required antenna amplifier
should be 0.5 to 1 m. The minimum distance de-
pends on the local conditions of reception.
Screw the antenna amplifier via its threaded jack
(3) with the mounting screw (6) to the mounting
bracket.
2) Connect the supplied antenna to the jack ANT (4)
and place it vertically upwards.
3) Connect the jack OUTPUT (2) via a 75 Ω coaxial
cable with BNC plugs to an antenna input of the
receiver US-... or the antenna splitter UA-900.
4) Switch on the receiver or the antenna splitter. With
correct connection, the red power LED (1) lights up.
4 Specification
Amplification:. . . . . . . . . 10 dB
Power supply: . . . . . . . . 12 – 18 V
Ambient temperature: . . 0 – 40 °C
Dimensions, weight: . . . 77 x 18 x 76 mm, 140 g
Connections: . . . . . . . . . 2 x BNC
Subject to technical modification.
®
the amplified antenna signal to the
receiver
5
/
") thread jack for screw-
8
ing the mounting bracket (5) or a
microphone stand
plied antenna
antenna amplifier
via receiver or
antenna splitter
5
/
")
8
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