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Contents

The EM 550 G2 twin receiver  ............................................................................... 4

The channel bank system  .............................................................................................

4

Safety instructions  ................................................................................................. 5

Delivery includes ..................................................................................................... 5

Areas of application  ............................................................................................... 6

Overview of operating controls  ........................................................................... 7

Indications and displays ........................................................................................ 8

Indications and displays of the receivers ...................................................................

8

Remote displays of an ew 500 G2 transmitter .........................................................

8

Preparing the receiver for use  ............................................................................. 10

Mounting the receiver feet  ........................................................................................... 10
Connecting the antennas  .............................................................................................. 10
Connecting and mounting remote antennas ............................................................ 10
Daisy-chaining up to eight twin receivers  ................................................................. 11
Connecting the mains cable  ......................................................................................... 11
Connecting the amplifier/mixing console .................................................................. 12
Service interfaces  ........................................................................................................... 12
Mounting the twin receiver into a 19” rack  .............................................................. 12
Mounting the antennas ................................................................................................. 12

Using the twin receiver  ......................................................................................... 14

Switching the twin receiver on/off  ............................................................................. 14
Connecting the headphones/adjusting the volume ................................................ 14
Activating/deactivating the lock mode  ..................................................................... 14

The operating menu ............................................................................................... 15

The buttons  ..................................................................................................................... 15
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 ............................................... 20
Selecting the frequencies to be stored in the channel bank “U” .......................... 20
Scanning the channel banks for free channels ......................................................... 21
Multi-channel operation ................................................................................................ 22
Adjusting the audio output level  ................................................................................ 22
Adjusting the squelch threshold  ................................................................................. 22
Doing the soundcheck  ................................................................................................... 23
Selecting the standard display  .................................................................................... 24
Entering a name .............................................................................................................. 24
Loading the factory-preset default settings ............................................................. 25
Activating/deactivating the pilot tone evaluation .................................................. 25
Activating/deactivating the lock mode  ..................................................................... 25
Using the equalizer  ........................................................................................................ 26
Adjusting the contrast of the graphic display .......................................................... 26
Exiting the operating menu .......................................................................................... 26

Troubleshooting ...................................................................................................... 27

Error checklist .................................................................................................................. 27
Recommendations and tips .......................................................................................... 28

Care and maintenance ........................................................................................... 28

Additional information .......................................................................................... 29

HDX 

noise reduction ....................................................................................................... 29

Wireless transmission systems  ................................................................................... 29
Squelch ............................................................................................................................. 30
Diversity reception  ......................................................................................................... 31

Specifications .......................................................................................................... 32

Connector assignment ................................................................................................... 33

Accessories .............................................................................................................. 33

Manufacturer declarations  ................................................................................... 34

Warranty regulations  .................................................................................................... 34
CE Declaration of Conformity  ....................................................................................... 34
Batteries or rechargeable batteries  ............................................................................ 34
WEEE Declaration ............................................................................................................ 34

Summary of Contents for SKP 500 G2 - 02-06

Page 1: ... EM550 Instructions for use ...

Page 2: ...er 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 ...

Page 3: ...er 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 20 Selecting the frequencies to be stored in the channel bank U 20 Scanning the channel banks for free channels 21 Multi channel operation 22 Adjusting the audio output level 22 Adjusting the squelch threshold 22 Doing the soundcheck ...

Page 4: ...receiver is available in five UHF frequency ranges with 1 440 receiving frequencies per frequency range Please note Frequency usage is different for each country Your Sennheiser agent will have all the necessary details on the available legal frequencies for your area Range A 518 to 554 MHz Range B 626 to 662 MHz Range C 740 to 776 MHz Range D 786 to 822 MHz Range E 830 to 866 MHz Each receiver of...

Page 5: ... subject to the rules and regulations of the trade association responsible Sennheiser as the manufacturer is therefore obliged to expressly point out possible health risks arising from use The sound pressure at the headphone outputs of the twin receiver may exceed 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 affe...

Page 6: ...ilable as optional microphone head Transmitter and suitable accessories to be ordered separately Area of application SK 500 G2 with ME 2 clip on microphone condenser omni directional Theater presentations with ME 4 clip on microphone condenser cardioid Theater PA applications with ME 3 headmic condenser super cardioid Vocals sports aerobic with instrument cable Using instruments wirelessly SKM 500...

Page 7: ... cascading output I ANT I RF OUT BNC socket antenna input I ANT I RF IN DC OUT Service interface B DATA B Service interface A DATA A XLR 3M socket male for AF output B balanced AF OUT B XLR 3M socket male for AF output A balanced AF OUT A Display for the current channel bank 1 8 U Display for the current channel number 1 20 B CH abbreviation for channel bank and channel number Alphanumeric display...

Page 8: ...ndicates whether diversity section I i e antenna 1 or diversity section II i e antenna 2 is active Button backlighting During standby operation the ON button is backlit in red When the receiver is switched on the SET button and the button are additionally backlit in green Remote displays of an ew 500 G2 transmitter Transmitter battery status indication The 4 step transmitter battery status display...

Page 9: ...d transmitter has been muted with the pilot tone transmission or evaluation activated Modulation display The level display for audio signal AF shows the modulation of the received transmitter When the transmitter s audio input level is excessively high the receiver s level display for audio signal AF shows full deflection When the transmitter is overmodulated frequently or for an extended period o...

Page 10: ...arge amount of installation work Connect the telescopic antennas to the BNC sockets and at the rear of the receiver Pull the telescopic antennas out and align them upwards in a V shape Connecting and mounting remote antennas When the receiver position is not the best antenna position for optimum reception you can use remote antennas These are available as accessories Connect the remote antennas to...

Page 11: ...in the same frequency range see The channel bank system on page 4 Connect the two supplied telescopic antennas or two remote antennas optional accessories to the BNC sockets and at the rear of the first twin receiver Use BNC cables to daisy chain the twin receivers as shown in the diagram on the left Note To supply an active directional antenna a direct voltage which cannot be switched off is outp...

Page 12: ...unting 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 y 2 rack mount ears y 4 recessed head screws M 3x6 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 Slide the tw...

Page 13: ...upplied plain washers and nuts Screw the two antenna holders to the handles of the twin receiver Connect the two BNC connectors to the BNC sockets ANT II and ANT I at the rear of the twin receiver Slide the twin receiver into the 19 rack Secure the rack mount ears to the rack Connect the telescopic antennas to the BNC sockets Pull the telescopic antennas out and align them upwards in a V shape Not...

Page 14: ...e audio signal Connect headphones with a 6 3 mm jack plug to the headphone output PHONES Attention High volume Even short exposure to high volume levels will damage your hearing Set the volume for the connected headphones to the minimum before putting the headphones on First set the volume control to the lowest volume by turning it to the left as far as possible Then gradually turn up the volume V...

Page 15: ...andard display without function Operating menu change to the previous menu or change to the next menu Setting mode adjust the setting of the selected menu option Display Function of the menu Bank Switching between channel banks Channel Switching between the channels in a channel bank Tune Setting a receiving frequency for the channel bank U user bank Scan Scanning the channel banks for free channe...

Page 16: ... are displayed Adjusting a setting Press the rocker button to adjust the setting The new setting becomes effective immediately By briefly pressing the rocker button the display jumps either forwards or backwards to the next setting In the Channel Tune and Name menu the rocker button features a fast search function If you hold down a button the display cycles continuously allowing you to get fast a...

Page 17: ... 1 01 B CH 786 300 MHz Bank Free Bank Free 1 20 2 20 3 17 4 11 5 12 6 20 7 02 8 03 U 20 Scan new Scan reset Current channel and corresponding frequency Channel 01 20 SET Stores the setting Current channel bank 1 8 U User Bank SET Stores the setting Changing the channel bank Changing the channel Current frequency on the selected channel Receiving frequency in steps of 25 kHz SET Stores the setting ...

Page 18: ... AF Out 20 18 0 22 dB in steps of 2 dB SET Stores the setting Name CAL G Name Main AF Meter Second RF Bank Channel SET SET Menu Squelch High Soundcheck Display Main Soundcheck Stop Soundcheck Start Terminates the soundcheck result is displayed Starts a new soundcheck SET Returns you to the top menu level Frequency Current audio output level Setting the audio output level Current squelch threshold ...

Page 19: ...ne evaluation Lock mode activated or deactivated On Off Lock mode On SET Stores the setting returns to standard display Lock mode Off SET Stores the setting Activating the lock mode Exiting the operating menu Menu Equalizer High Boost LCD Contr IIIIII Exit STORED SET Menu Name GUITAR Reset Pilot On Reset Reset No Reset Reset Yes LCD Contrast IIIIII LCD Contrast IIIIIIIIII Security check No Yes res...

Page 20: ...see below Switching between the channels in a channel bank Channel Via the Channel menu you can switch between the different channels in a channel bank When switching between the channels please observe the following y Always set the transmitter and the receiver of a transmission link to the same channel y After scanning the channel banks see Scanning the channel banks for free channels on page 21...

Page 21: ... the Scan menu Select Scan new and confirm your selection by pressing the SET button Note The scanning process takes approx 1 minute After the scan is completed the number of free channels is displayed for all channel banks Channels that are used or subject to interference are locked and cannot be selected The same result is displayed when selecting the Channel list menu For further details select...

Page 22: ...th receivers are equipped with a squelch that can be adjusted via the Squelch menu The squelch eliminates annoying noise when the transmitter is switched off It also suppresses sudden noise when there is no longer sufficient transmitter power received by the receiver Note Before adjusting the squelch threshold to a different setting set the volume on a connected amplifier to the minimum There are ...

Page 23: ...evel displays RF and AF will indicate the lowest RF and the highest AF level of the received transmitter 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 If both receiving anten...

Page 24: ...s To enter a name proceed as follows Press the SET button to get into the setting mode of the Name menu The first segment starts flashing on the display With the buttons you can now select a character By briefly pressing a button the display jumps either forwards or backwards to the next character If you hold down a button the display starts cycling continuously Selectable standard display Content...

Page 25: ...al of the matching transmitter and mute all others Transmitters of the ew 500 series first generation do not transmit a pilot tone and the receivers of the ew 500 series first generation cannot evaluate the pilot tone Nevertheless you can combine the EM 550 G2 receiver with a transmitter of the first generation However when combining units please observe the following y With an ew 500 G2 transmitt...

Page 26: ...hic display LCD Contr Via the LCD Contr menu you can adjust the contrast of the graphic display in 16 steps Exiting the operating menu Exit Via the Exit menu you can exit the operating menu and return to the standard display Selectable setting Display Flat treble and bass of the output signal remain unchanged High Boost boosting the treble Low Cut High Boost cutting the bass and boosting the trebl...

Page 27: ...n page 22 Transmitter doesn t transmit a pilot tone Switch the pilot tone transmission on the transmitter on or switch the pilot tone evaluation on the receiver off Transmitter sensitivity is adjusted too low Adjust the transmitter sensitivity correctly Audio signal has a high level of background noise Receiver s AF output level is adjusted too low See Adjusting the audio output level on page 22 T...

Page 28: ...orced concrete walls for multi channel operation y For multi channel operation you can only use the channels within a channel bank Each of the channel banks 1 to 8 accommodates up to 20 factory preset frequencies which are intermodulation free For alternative frequency combinations please refer to the enclosed frequency table The freely selectable frequencies can be selected via the Tune menu and ...

Page 29: ...lity radiomicrophone systems Note Only transmitters and receivers that are equipped with HDX can work correctly with each other If non HDX equipment was mixed with HDX the dynamic range would be drastically reduced and the transmission would sound blunt and flat HDX is permanently active and cannot be switched off Wireless transmission systems With the ew 500 G2 series Sennheiser puts an end to ca...

Page 30: ...ring signals from causing hissing noise in the receiver when the transmitters are switched off In order to benefit from this feature the pilot tone function must be activated on both the transmitter and the receiver The receiver s pilot tone function is factory preset to ON activated Field strength dependent squelch Depending on the strength of the received RF signal the receiver s audio output is...

Page 31: ...ophones are the field strength gap will then occur with a different transmitter position These field strength gaps can only be eliminated with true diversity receivers In true diversity instead of one antenna and one receiver there are now two antennas and two receiver sections The antennas are spatially separated By means of a comparison circuit the receiver section with the strongest RF signal i...

Page 32: ...0 Ω gain 0 dB 2 dB related to antenna inputs AF characteristics Noise reduction system Sennheiser HDX EQ presets switchable effect the line and monitor outputs Preset 1 Flat AF frequency response 40 18 000 Hz Preset 2 Low Cut Cut approx 3 dB at 200 Hz Preset 3 HiBoost Boost approx 6 dB at 10 000 Hz Preset 4 Low Cut Hi Boost Cut Boost approx 3 dB at 200 Hz approx 6 dB at 10 000 Hz S N ratio at 1 mV...

Page 33: ...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 AB 2 C 740 776 MHz AB 2 D 786 822 MHz AB 2 E 830 866 MHz GZL 1019 A1 5 10 Antenna cable with BNC connectors 1 m 5 m 10 m XLR 3F connector transformer balanced 6 3 mm stereo jack plug for headphone output 2 1 3 ...

Page 34: ... sories and sales receipt to the responsible service partner To minimise the risk of transport damage we recommend that the original packaging is used Your legal rights against the seller resulting from the contract of sale are not affected by this guarantee The guarantee can be claimed in all countries outside the U S provided that no natio nal law limits our terms of guarantee CE Declaration of ...

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 ...

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