Sennheiser EM 550 G2 - Manual

42 Areas of application The EM 550 G2 twin receiver can be combined with transmitters of theew 500 G2 series (SK 500 G2 bodypack transmitter, SKM 500 G2radiomicrophone or SKP 500 G2 plug-on transmitter). The transmitters areavailable in the same five UHF frequency ranges and are equipped with thesam...

43 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 beoperated independently from each other, therefore all operating controls are available separately for each receiver. Operating controls Graphic display pa...

44 Indications and displays Each receiver of the EM 550 G2 provides information on its own operatingstates 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...

45 “MUTE” display 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 y the RF signal of the received transmitter is too weak, y the received transmi...

46 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 beforemounting the rubber feet. Fix the rubbe...

47 Essential notes on mounting remote antennas: y Position antennas in the same room in which the transmission takes place! y Maintain a minimum distance of 50 cm from metal objects (includingreinforced-concrete walls)! y Maintain a minimum distance of 1 m between receiving antennas! Daisy-chaining ...

50 Using the twin receiver Switching the twin receiver on/off Each receiver of the EM 550 G2 is switched on and off separately with the ON button. The receivers can only be switched off when the standard display isshown on the display panel. When in the operating menu, briefly pressing the ON button...

51 The operating menu The operating menu is the same for both receivers of the EM 550 G2 and can be used almost intuitively. To ensurethat adjustments to the settings can be made quickly and “without looking”, the necessary operating steps for thetwin receiver and the ew 500 G2 transmitters are simi...

52 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 menuare similar for both receivers of the EM 550 G2. After switching the receiver RX A or RX B on, the standard disp...

53 Operating menu of the receiver RX A or RX B of the twin receiver SET SET SET SET SET SET SET SET SET SET SET SET Stored Menu Exit Bank 1 Channel 01 Menu Bank 3 Channel 01 Tune 786.400MHz Exit AF Out +18 Bank 3 .01 B.CH 790.250 MHz Bank 1 .01 B.CH 786.300 MHz Stored Stored Channel 3. 08 B.CH 807.9...

54 SET SET SET SET Name OCAL Soundcheck is started, current RF and AF levels are displayed / : Low, Mid, High SET : Stores the setting Menu Scan AF Out + 1 8 Squelch High Doing the soundcheck Menu AF Out – 2 0 Squelch Low Display Scan Reset AF Out + 1 8 Stored Squelch Low Squelch High / : Main, Freq...

56 Adjustment tips for the operating menu The following adjustment tips refer to the operating menus of both receiversof the EM 550 G2. Switching between channel banks Bank Each receiver of the EM 550 G2 has nine channel banks between which youcan switch via the “ Bank ” menu. The channel banks “1” ...

57 Scanning the channel banks for free channels Scan Before putting one or several transmission links into operation, you shouldscan the channel banks for free channels. Displaying a list of all free channels Via the “ Channel list “ menu, you can display the number of free channels for all channel ...

58 Multi-channel operation Combined with ew 500 G2 transmitters, the receivers can form transmissionlinks that can be used in multi-channel systems. For multi-channel operation,only use the free channels in a channel bank. Before putting the transmission links into operation, we recommendperforming ...

60 Selecting the standard display Display Via the “ Display ” menu, you can select the standard display: Entering a name Name Via the “ Name ” menu, you can enter a freely selectable name for the receiver. You can, for example, enter the name of the performer for whom theadjustments have been made. ...

62 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): Adjusting the contrast of the graphic display LCD Contr Via the “ LCD Contr ” menu, you can adjust th...

63 Troubleshooting Error checklist If problems occur that are not listed in the above table or if the problems cannot be solved with the proposedsolutions, please contact your local Sennheiser agent for assistance. Problem Possible cause Possible solution No operation indication No mains connection ...

64 Recommendations and tips ... for optimum reception y Transmission range depends to a large extent on location and can varyfrom about 10 m to about 150 m. There should be a “free line of sight”between transmitting and receiving antennas. y If, with the twin receiver, reception conditions are unfav...

65 Additional information HDX noise reduction Progress you can hear: The evolution wireless G2 series is equipped with HDX , the Sennheiser noise reduction system that reduces RF interference. It increases the signal-to-noise ratio in wireless audio transmission to more than 110 dB. HDX is a wideban...

66 Squelch Pilot tone squelch The ew 500 G2 transmitters add a pilot tone to the audio signal. The receiverchecks incoming audio signals to see if the pilot tone is present. In theabsence of the pilot tone, the receiver’s audio output will remain muted, evenif a strong RF signal is present. This pre...

67 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 reachit by a direct path, but also the reflections of these waves which are createdin the room by walls, windows, ceilings and fi...

68 Specifications RF characteristics Modulation wideband FM Frequency ranges 518–554, 626–662, 740–776, 786–822, 830–866 MHz Receiving frequencies 8 channel banks with up to 20 factory-preset channels each 1 channel bank with up to 20 freely selectable channels (1,440 frequencies, tunable in steps o...

69 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 AB 2-C 740–776 MHz AB 2-D 786–...