Sennheiser EM 3532-U manuale d’uso

Instructions for use EM 3532-U[...]

38[...]

39 Chapter Contents ............................................................................................................................. Page 1 Brief description, special features ........................................................................... 40 2 Connections and operating elements .............................................[...]

40 Thank you for choosing Sennheiser! W e have designed this pr oduct to give y ou reliable operation o ver man y years. Please take a few moments to r ead these instructions carefully , as we want you to enjo y your new Sennheiser product quickly and to the full. 1 Brief description W ith the E M 35 32-U twin receiver , Sennheiser offers the pr of[...]

41 2 Connections and operating elements  Headphone socket 1 / 4 ” (6.3 mm) ø  Headphone volume contr ol  Multi-function LC displa y panel  Buttons for selecting and programming the menus  S ET/storage button  ON / O F F switch  Fuse holder and mains v oltage selection  2-pin I EC mains connector  Cable g rip for mains [...]

42 3 Noise reduction with HiDyn plus ™ Pr og ress you can hear: This receiv er is equipped with HiDyn plus ™ , the Sennheiser noise r eduction system that reduces RF interference. It incr eases the signal-to-noise ratio in wireless audio transmission to up to 110 dB. The 96 dB dynamic range of a C D is thus considerably surpassed. HiDyn plus ?[...]

43 electronic switching from one signal to another receiver 2 receiver 1 AF-signal AF-signal 4 Diversity reception The E M 3 53 2 receiv er operates on the “true diversity” principle: A receiving antenna r eceiv es not only the electr omagnetic wav es which reach it b y a dir ect path, but also the reflections of these wa v es which ar e create[...]

44 5 Assembly and mounting Use as a stand-alone receiver When using the E M 35 32 as a stand-alone receiver , it is easiest to use the supplied telescopic antennæ. They can b e mounted quickly and easily to the r ear of the receiver and ar e suitable for all applications where – good r eception conditions provided – a wir eless transmission sy[...]

45 Mounting the receiver into a rack W ith the two supplied rack mount “ears” , the r eceiv er can be mounted into a 19” rack (1 U). The rack mount “ ears” a re sc rewe d t o the receiv er on the left and right  . Note If you wish to connect the antennæ to the fr ont side, y ou must pull the cables of the GA 303 0-AM antenna mount th [...]

46 6 Connection and mounting of remote antennæ If the receiv er position is not the b est antenna position for optimum reception, you can use r emote antennæ and antenna boosters. These are available as accessories. The best reception quality is obtained with the Sennheiser A12 AD-U H F active antenna. Antenna and receiv er can be connected with [...]

47 7 Selecting the mains voltage Before y ou plug the mains connector into the mains, please check first of all that the receiver is set to the correct mains v oltage! Y ou can change the mains voltage b y remo ving the fuse holder  with the inserted fuse  , turning it through 180 °  and inserting it again  . The set voltage can be see[...]

48 8 Putting the EM 3532 into operation The receiv ers are switched on separately with the ON / O F F switches  . The respectiv e displa y panel  is now lit up to sho w that the receiver is switched on, and the standar d display is sho wn (see chapter 11). The displa y “ MUTE ”  (see chapter 15) lights up, and the RF field strength is [...]

49 9 Basic functions of the Sennheiser operating menu A special feature of the Sennheiser 3000 series is the similar operation of transmitters and r eceivers. In stressfull situations, for example on stage or during a liv e sho w or presentation, it is important that the receiv er is easy to operate and that adjustments to the receiver settings can[...]

50 10 Menus / Overview FREQUENCY indicates the current r eceiving frequency . (  chapter 12) CHANNEL indicates the currently assigned channel number . (  chapter 14) SQUELCH indicates the squelch threshold. (  chapter 15) SCAN scans for available RF signals, the receiving fr equency found is shown on the displa y . (  chapter 1 7) BOOST[...]

51            11 LC display panel  Displa y for the “ FREQUENCY ” menu. This displa y can b e the receiv er’s standard displa y which alwa ys appears after switch-on.  Displa y for the “ BOOSTER FEED ” menu.  Displa y for the “ CHANNEL ” menu. This displa y can also b e the receiv er’s[...]

52 12 Setting a receiving frequency , allocating a frequency memory and assigning a channel number The E M 35 32 receiver has a switchable fr equency memory to store a maximum of 3 2 receiving frequencies with their r espective channel numbers. The storing pr ocedure is similar for each entry or modification: 씰 Pr ess the  /  buttons to sel[...]

53 씰 W ith the  /  buttons you can no w select a frequency memory (nos. 1 to 32). If the frequency memory has been assigned a channel number , this is also indicated. I f no channel number has b een assigned, three “h yphens” appear on the display , indicating that the frequency memory is empty (see chapter 13). 씰 Hav e you set the fr[...]

54 13 Deleting a receiving frequency , emptying a frequency memory 씰 Y ou can empty a frequency memory if y ou enter thr ee “hyphens” when assigning a channel number . 씰 The last frequency stor ed cannot b e deleted. If you try to delete the last frequency stor ed, the displa y briefly indicates “ LASt ” and then switches back to the st[...]

55 14 Setting the receiving frequency via the channel number In the “ CHANNEL ” menu, you can dir ectly change fr om one stor ed receiving fr equency to the next. 씰 Pr ess the  /  buttons to select the “ CHANNEL ” menu. Then press the SET button. The “ CHANNEL ” displa y on the displa y panel  b egins to flash: The displa y i[...]

56 15 Squelch (Muting) The E M 3 53 2 receiver is equipped with an adjustable squelch which eliminates anno ying noise when the transmitters are switched on and off. It also suppr esses sudden noise when a transmitter leav es the reception area and ther e is no longer sufficient transmitter po wer r eceived b y the receiv er . The adjustment of the[...]

57 16 Advanced muting function This receiv er also features AM F ( A dvanced M uting F unction). This special electronic featur e comes into effect when an RF signal drops b y about 4 0 dB in a short time. The r eception is then muted for at least three seconds. AM F thus suppresses the anno ying switch-off click when a transmitter is switched off.[...]

58 17 Automatic transmitter search tuning – Scan function The E M 3 5 32 receiver featur es a scan function to scan the frequency range of the tuner for a transmitter . F or some countries, this menu is locked via a special configuration program, since not all tunable receiving fr equencies ar e appro ved in these countries. If the “ SCAN ” m[...]

59 씰 If no transmitter is found, the search tuning stops at the upper or lo w er limit of the 24 M Hz frequency windo w . The display then indicates: 씰 If a transmitter with a strong enough RF signal (higher than the squelch level, but at least 5 μ V) is found, this frequency is indicated on the displa y . In addition, the deviation and the RF[...]

60 18 Adding a supply voltage for antenna boosters Antenna boosters can b e connected to the antenna inputs of the E M 3 5 32 receiver and can be supplied b y the r eceiver via the antenna cables. The supply v oltage can b e switched on or off. Both receiv ers in the E M 35 32 should b e set to the same setting, i.e. both receiver should be set to [...]

61 19 Stand-by operation The E M 35 32 receiver can be set to stand-b y operation. During stand-b y operation, information from the RF section is no longer processed and the AF section is muted (M UTE). All other menus – except for “ REMOTE ” and “ ST ANDBY ” – are locked. If you try to select an y other menu, “ Loc ” appears on the[...]

62 20 Remote control The E M 35 32 receiver can be set for “computer remote contr ol only” . When set for remote control, all other menus – except for “ REMOTE ” – are locked. If y ou try to select an y other menu, “ Loc ” appears on the displa y . 씰 Pr ess the  /  buttons to select the “ REMOTE ” menu. The current setti[...]

63   21 Power of the received RF signal In displa y panel  , the po w er of the receiv ed R F signal  (in μ V) and the lev el contr ol of the AF signal (in %)  – i.e. the modulation of the RF signal – are shown. Both displa ys hav e an o v ermodulation displa y . If the signal is too high, “ PEAK ” lights up briefly . Short [...]

64 22 Monitoring the sound signal, headphone connection Sockets  on the E M 3 53 2 receiv er can be used to monitor the sound signal receiv ed with headphones. The headphone volume is adjusted with contr ols  . Please use headphones with a 1 / 4 ” (6.3 mm) ø stereo jack plug. The sound signal itself is mono. The Sennheiser H D 25 headphone[...]

65 23 Replacing a fuse Disconnect the receiv er completely from the mains! T o do so, pull out the mains connector  on the receiv er . Y ou can then remo ve the fuse holder  with the inserted fuse. Replace the fuse b y a new fuse with the same rating and switch on the receiv er again. Make sure that y ou hav e inserted the fuse holder the cor[...]

66  24 Sennheiser transmitters report their battery status Sennheiser supplies hand-held and pocket transmitters which pro vide information on the available transmitter battery status to the receiv er . This information can b e evaluated with the E M 3 5 32 receiv er .  The remaining battery capacity is first indicated via the six-step bar[...]

67 25 Suitable Sennheiser transmitters F or the optimum use of the excellent reception qualities of the E M 35 3 2 receiv ers, Sennheiser offers hand-held and pocket transmitters in a variety of configurations: P ocket transmitters: S K 1063-U (without display of battery status) B F 10 83-U (without display of battery status) S K 50-U (with displa [...]

68 26 Error checklist Error Possible cause Receiv er does not work; displa y panel dark  F use defective Receiv er does not work; displa y panel lit up  T ransmission frequency does not ag r ee with receiving fr equency  Squelch thr eshold adjusted too high Sound distorted  AF output signal adjusted too high. Input of the connected mixi[...]

69 28 Recommended accessories  Antenna mount GA 303 0-AM Cat. no. 04 36 8  Activ e antenna A 12 AD-U H F Cat. no. 04 156  Ground plane antenna GZA 1036-9 Cat. no. 02 33 2  Antenna booster AB 1036- TV Cat. no. 03 59 8  Co-axial cable, 1 m GZ L 1019 A1 Cat. no. 02 32 4  Co-axial cable, 5 m GZ L 1019 A5 Cat. no. 02 32 5  Co-axial [...]

70 29 T echnical data RF characteristics Fr equency range 43 0–9 60 M Hz Receiving fr equencies max. 3 2 (32 frequency memories) S witching bandwidth 24 M Hz Fr equency stability ± 10 ppm (– 1 0 ° C to + 5 5 ° C) Sensitivity (with HiDyn plus ™ )< 5 μ V for 90 dBA rms S N R Squelch treshold 0 to 1 00 μ V , adjustable Image rejection ?[...]

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. 08/02 68746/A 03[...]