Instrukcja obsługi Shure UA845

Shure Rozłupnik UA845

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Model UA845 User Guide
©2009 Shure Incorporated
27AS8862 (Rev.4)
Printed in U.S.A.
ANTENNA DISTRIBUTION SYSTEM
USER'S GUIDE
2
POWERING ON/POWERING OFF THE UA845
To avoid damaging internal components, the UA845 amplifier
should be the last component in your system to be powered on.
To avoid damaging internal components, the UA845 amplifier
should be the first component in your system to be powered off.
CONNECTING ANTENNA CABLES
Accidentally connecting the center cable pin (power supply) to the cable housing (ground) may cause internal component damage. Use
caution when installing cables.
SAFETY INFORMATION
Last powered on
First powered off
! IMPORTANT SAFETY INSTRUCTIONS !
1. READ these instructions.
2. KEEP these instructions.
3. HEED all warnings.
4. FOLLOW all instructions.
5. DO NOT use this apparatus near water.
6. CLEAN ONLY with dry cloth.
7. DO NOT block any ventilation openings. Install in accordance with the manu-
facturer's instructions.
8. DO NOT install near any heat sources such as radiators, heat registers, stoves,
or other apparatus (including amplifiers) that produce heat.
9. DO NOT defeat the safety purpose of the polarized or grounding-type plug. A
polarized plug has two blades with one wider than the other. A grounding type
plug has two blades and a third grounding prong. The wider blade or the third
prong are provided for your safety. If the provided plug does not fit into your out-
let, consult an electrician for replacement of the obsolete outlet.
10. PROTECT the power cord from being walked on or pinched, particularly at plugs,
convenience receptacles, and the point where they exit from the apparatus.
11. ONLY USE attachments/accessories specified by the manufacturer.
12.
13. UNPLUG this apparatus during lightning storms or when unused for long periods of
time.
14. REFER all servicing to qualified service personnel. Servicing is required when the
apparatus has been damaged in any way, such as power-supply cord or plug is dam-
aged, liquid has been spilled or objects have fallen into the apparatus, the apparatus
has been exposed to rain or moisture, does not operate normally, or has been
dropped.
15. DO NOT expose the apparatus to dripping and splashing. DO NOT put objects filled
with liquids, such as vases, on the apparatus.
16. The MAINS plug or an appliance coupler shall remain readily operable.
17. The airborne noise of the apparatus does not exceed 70dB (A).
18. Apparatus with CLASS I construction shall be connected to a MAINS socket outlet
with a protective earthing connection.
19. To reduce the risk of fire or electric shock, do not expose this apparatus to rain or
moisture.
20. Do not attempt to modify this product. Doing so could result in personal injury
and/or product failure.
USE only with a cart, stand, tripod, bracket, or table
specified by the manufacturer, or sold with the
apparatus. When a cart is used, use caution when
moving the cart/apparatus combination to avoid
injury from tip-over.
This symbol indicates that dangerous voltage constituting a
risk of electric shock is present within this unit.
This symbol indicates that there are important operating and
maintenance instructions in the literature accompanying this unit
WARNING:
Voltages in this equipment are hazardous to life. No user-serviceable parts inside. Refer all servicing to qualified service personnel. The
safety certifications do not apply when the operating voltage is changed from the factory setting.
WARNING: This product contains a chemical known to the State of California to cause cancer and birth
defects or other reproductive harm.
3ENGLISH
MODEL UA845 ANTENNA DISTRIBUTION SYSTEM
The Shure Model UA845 is an amplified, UHF Antenna Distribu-
tion System that expands a wireless microphone system by splitting
one pair of antennas to multiple Shure UR4 wireless receivers. It
also amplifies RF signals to compensate for insertion loss due to
splitting signal power to mulitple output connectors. Each UA845 al-
lows up to four receivers to use the same antennas. CASCADE
connectors allows connections to a fifth receiver or a second
UA845. There are also power connectors for powering Shure UHF
Wireless systems.
Each system contains the following items:
•
UA845 Antenna Distribution System
•
Rack-mounting hardware
•
Surface-mounting hardware
•
Front-mounting antenna hardware
•
18-in. Power OUTPUT Cord
•
Power Cord
•
Antenna cables for receiver connections
To get the most from this system, follow these guidelines:
•
When using long runs of cable for remote-mounted antennas,
use the UA830 In-Line RF Amplifier and the Shure Model
UA825 or UA850 Remote Antenna Extension cables (RG-8/X
or equivalent), which have low loss at UHF operating
frequencies
•
Locate multiple transmitters more than 3 m [10 ft] from
receiving antennas
SYSTEM FEATURES
•Expandability.
The UA845 UHF Antenna Distribution System
is designed for large UHF wireless systems. Each unit allows
up to four wireless receivers to use the same two antennas,
and the CASCADE ports allow connection to a fifth receiver or
a second UA845.
•Compatibility.
The UA845 is compatible with all Shure wire-
less microphone receivers operating within a compatible fre-
quency range (see UHF Carrier Frequency Ranges in the
Specifications section).
•CASCADE Ports.
Two 50
, BNC-type antenna CASCADE
ports allow an additonal UA845 unit or a fifth wireless receiver.
A large wireless system can be run off of a single pair of
antennas.
•Power OUTPUT and OUT Connectors.
Up to five (5) UR4
receivers can be daisy-chained and powered from a single
source via the Power OUTPUT connectors.
•
Low Noise and Intermodulation Distortion.
The UA845
maintains clean signals with minimal distortion.
•
Insertion Loss Compensation.
Whenever a signal is split to
multiple output ports, there is a loss in signal strength. The
UA845 amplifies signals to compensate, ensuring a strong sig-
nal to the receivers.
•
Front-Mounted Antennas.
The UA845 comes with hardware
to front-mount the antennas, if desired.
CONTROLS AND CONNECTORS
Front Panel
Back Panel
AC Power INPUT Connector.
AC Power OUTPUT Connector. Each UA845 has a
Power OUTPUT connector for daisy-chaining up to five
(5) Shure Model UR4 UHF Diversity Single or Dual
Receivers to a single power source.
NOTE: This connector does not work for Shure ULX4
Receivers.
ANTENNA IN Ports, Channel A & B. BNC-type connec-
tors for antennas.
RF CASCADE Connectors (Output connector 5),
Channel A & B. BNC-type connectors for adding a fifth
receiver, or additional UA845's, permitting more wireless
receivers to be connected.
RF OUTPUT Connectors, Channel A & B. BNC-type
connectors for up to four wireless receivers.
UA845
UHF ANTENNA DISTRIBUTION SYSTEM
POWER INDICATOR POWER ON/OFF
SWITCH
1
2
3
4
5

Specyfikacje produktu

Marka: Shure
Kategoria: Rozłupnik
Model: UA845

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