Sennheiser EM 550 G2 - 02-06 Instructions For Use Manual
True diversity receiver
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- Instructions for use manual (140 pages)
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Summary of Contents for Sennheiser EM 550 G2 - 02-06
- Page 1 EM 550 Instructions for use...
- Page 2 Over half a century 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 product quickly and to the fullest.
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Page 3: Table Of Contents
Overview of menus ......................15 Working with the operating menu ................16 Operating menu of the receiver RX A or RX B of the twin receiver ...... 17 Adjustment tips for the operating menu ............20 Switching between channel banks ................20 Switching between the channels in a channel bank .......... -
Page 4: The Em 550 G2 Twin Receiver
The EM 550 G2 has an integrated antenna splitter, enabling you to daisy-chain up to eight twin receivers. The EM 550 G2 can be combined with transmitters of the ew 500 G2 series to make high-quality state-of-the-art RF transmission systems for professional applications. -
Page 5: Safety Instructions
85 dB(A). 85 dB(A) is the sound pressure corresponding to the maximum permissible volume which is by law (in some countries) allowed to affect your hearing for the duration of a working day. It is used as a basis according to the specifications of industrial medicine. Higher volumes or longer durations can damage your hearing. -
Page 6: Areas Of Application
Areas of application The EM 550 G2 twin receiver can be combined with transmitters of the ew 500 G2 series (SK 500 G2 bodypack transmitter, SKM 500 G2 radiomicrophone or SKP 500 G2 plug-on transmitter). The transmitters are available in the same five UHF frequency ranges and are equipped with the same channel bank system with factory-preset frequencies. -
Page 7: Overview Of Operating Controls
Overview of operating controls The EM 550 G2 consists of two complete receivers (RX A and RX B) in a 19” rack housing. The two receivers can be operated independently from each other, therefore all operating controls are available separately for each receiver. -
Page 8: Indications And Displays
Indications and displays Each receiver of the EM 550 G2 provides information on its own operating states and those of the received ew 500 G2 transmitter (remote displays). Indications and displays of the receivers “PILOT” display The “PILOT” display appears on the display panel when the pilot tone evaluation is activated (see “Activating/deactivating the pilot tone... - Page 9 The “MUTE” display appears on the display panel and the backlighting of the standard display switches from green to red. In addition, the text “MUTE” flashes in alternation with the standard display when the RF signal of the received transmitter is too weak, the received transmitter has been muted (with the pilot tone transmission or evaluation activated).
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Page 10: Preparing The Receiver For Use
Preparing the receiver for use Mounting the receiver feet To ensure that the receiver cannot slip on the surface on which it is placed, four self-adhesive soft rubber feet are supplied. Ensure that the base of the receiver is clean and free from grease before mounting the rubber feet. -
Page 11: Daisy-Chaining Up To Eight Twin Receivers
Maintain a minimum distance of 1 m between receiving antennas! Daisy-chaining up to eight twin receivers The twin receivers feature an integrated antenna splitter so that up to eight twin receivers can be daisy-chained without any additional antenna splitters being required. Only daisy-chain receivers which operate in the same frequency range (see “The channel bank system”... -
Page 12: Connecting The Amplifier/Mixing Console
Mounting the twin receiver into a 19” rack For mounting the twin receiver into a 19” rack, use the supplied GA 2 rack adapter. The GA 2 rack adapter consists of: 2 rack mount “ears”... - Page 13 “ear”. Hook the two rack mount “ears” to the rear panel of the twin receiver. Secure the rack mount “ears” to the twin receiver using two of the supplied recessed head screws (M 3x6) respectively. Screw the two BNC sockets...
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Page 14: Using The Twin Receiver
Activating/deactivating the lock mode Each receiver of the EM 550 G2 has a lock mode that can be activated or deactivated via the operating menu (see “Activating/deactivating the lock mode” on page 25). The lock mode prevents that the receiver is accidentally... -
Page 15: The Operating Menu
The operating menu The operating menu is the same for both receivers of the EM 550 G2 and can be used almost intuitively. To ensure that adjustments to the settings can be made quickly and “without looking”, the necessary operating steps for the twin receiver and the ew 500 G2 transmitters are similar. -
Page 16: Working With The Operating Menu
Working with the operating menu By way of example of the “Tune” menu, this section describes how to use the operating menu. The operating steps for adjusting the settings via the menu are similar for both receivers of the EM 550 G2. -
Page 17: Operating Menu Of The Receiver Rx A Or Rx B Of The Twin Receiver
Operating menu of the receiver RX A or RX B of the twin receiver Exit Bank Bank Menu 1.01 3.01 Exit 786.300 790.250 B.CH B.CH Bank Channel Current channel bank 1...8, U (User Bank) Changing the channel bank Stores the setting... - Page 18 Stop Squelch High Soundcheck Display Main Soundcheck is started, Terminates the soundcheck, Doing the soundcheck current RF and AF levels are result is displayed displayed Starts a new soundcheck Returns you to the top menu level Menu Display Display Soundcheck...
- Page 19 Pilot Security check No, Yes Loading the factory-preset "reset"= Yes: default settings SET: Receiver loads factory- preset default settings (only pilot tone setting is kept), receiver is restarted, standard display appears "reset"= No: SET: Reset is cancelled Pilot Pilot Menu...
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Page 20: Adjustment Tips For The Operating Menu
Each receiver of the EM 550 G2 has nine channel banks between which you can switch via the “Bank” menu. The channel banks “1” to “8” have up to 20 switchable channels that are factory-preset to a receiving frequency (see “The channel bank system”... -
Page 21: Scanning The Channel Banks For Free Channels
Select the “Scan” menu. Scan Channel list Select “Scan reset” and confirm your selection by pressing the button. Scan new The last scan result is deleted and all channels can now be selected again. Scan reset Bank Free Bank Free... -
Page 22: Multi-Channel Operation
EM 550 G2. The level can be adjusted in 22 steps. Adapt the level of the audio output (receiver RX A: AF OUT A or receiver RX B: AF OUT B) to the input of the connected unit. The following figures are a guide to the... -
Page 23: Doing The Soundcheck
Optimize the RF level by repositioning the receiving antennas. The audio level should be as high as possible (max. 0 dB) without the level display for audio signal “AF” showing full deflection (see the section “Adjusting the sensitivity“ in the operating manual of the transmitter). -
Page 24: Selecting The Standard Display
You can, for example, enter the name of the performer for whom the adjustments have been made. The name can be displayed on the standard display and can consist of up to ten characters such as: letters (without pronounciation marks), numbers from 0 to 9, special characters e.g. -
Page 25: Loading The Factory-Preset Default Settings
RF signals from other units. The transmitter adds an inaudible signal, known as the pilot tone, to the transmitted signal. The receiver detects and evaluates the pilot tone, and is thus able to identify the signal of the matching transmitter and mute all others. -
Page 26: Using The Equalizer
Using the equalizer Equalizer Via the “Equalizer” menu, you can change the treble and bass of the audio signal available at the audio output AF OUT A (receiver RX A) or AF OUT B (receiver RX B): Selectable setting Display “Flat”... -
Page 27: Troubleshooting
(I or II) appears on connected correctly the display panel If problems occur that are not listed in the above table or if the problems cannot be solved with the proposed solutions, please contact your local Sennheiser agent for assistance. -
Page 28: Recommendations And Tips
... for optimum reception Transmission range depends to a large extent on location and can vary from about 10 m to about 150 m. There should be a “free line of sight” between transmitting and receiving antennas. If, with the twin receiver, reception conditions are unfavourable, you should use two remote antennas which are connected via antenna cable. -
Page 29: Additional Information
2:1 ratio (related to dB) to lift it above the inherent noise floor of the RF link. A 110 dB dynamic range signal is thus transmitted with an effective dynamic range of only 55 dB, which is above the 60 dB noise floor of the RF link. -
Page 30: Squelch
Squelch Pilot tone squelch The ew 500 G2 transmitters add a pilot tone to the audio signal. The receiver checks incoming audio signals to see if the pilot tone is present. In the absence of the pilot tone, the receiver’s audio output will remain muted, even if a strong RF signal is present. -
Page 31: Diversity Reception
The two receivers of the EM 550 G2 operate on the “true diversity” principle: A receiving antenna receives not only the electromagnetic waves which reach it by a direct path, but also the reflections of these waves which are created in the room by walls, windows, ceilings and fittings. When these waves are superimposed, destructive interference occurs, which can also be called “field... -
Page 32: Specifications
FM Frequency ranges 518–554, 626–662, 740–776, 786–822, 830–866 MHz 8 channel banks with up to 20 factory-preset channels each Receiving frequencies 1 channel bank with up to 20 freely selectable channels (1,440 frequencies, tunable in steps of 25 kHz) -
Page 33: Connector Assignment
Accessories GA 3030 AM Antenna mount A 1031-U UHF antenna, passive, omni-directional, can be mounted onto a stand A 12-AD UHF-antenna, active, directional AB 2-A UHF antenna booster, 10 dB gain powered via ASP 2/NT 1 518–554 MHz AB 2-B 626–662 MHz... -
Page 34: Manufacturer Declarations
In the case of a claim under the terms of this guarantee, send the device, including acces-sories and sales receipt, to the responsible service partner. To minimise the risk of transport damage, we recommend that the original packaging is used. - Page 35 Sennheiser electronic GmbH & Co. KG 30900 Wedemark, Germany Phone +49 (5130) 600 0 Fax +49 (5130) 600 300 www.sennheiser.com Printed in Germany Publ. 02/06 090676/A2...