Diversity Receiver Instructions for use EK 3041-U 27
Thank you for choosing Sennheiser! We have designed this product to give you reliable operation over many years. Please take a few moments to read these instructions carefully, as we want you to enjoy your new Sennheiser product quickly and to the full. Chapter Contents ...........................................................................................................................................
1 Brief description The EK 3041-U is a miniature true diversity radiomicrophone receiver designed for use with the new digital ENG camcorders. It can be inserted in the slot-in facility of most professional camcorders such as the Philips LDK 120, Ikegami Hl-77 or Sony SX. Together with a suitable Sennheiser UHF pocket or hand-held transmitter, a highly reliable radio link can be set up. Annoying noise is effectively suppressed by HiDyn plus®, the Sennheiser noise reduction system.
Noise reduction with HiDyn plus® This receiver is equipped with HiDyn plus®, the Sennheiser noise reduction system that reduces RF interference. It increases the signal-to-noise ratio in wireless audio transmission to more than 100 dB. HiDyn plus® is a wideband compander system which compresses the AF level on the transmitter side in a ratio of 2:1 (related to dB), and expands it in an exactly the same way on the receiver side.
AF-signal receiver 1 5 AF-signal electronic switching from one signal to another receiver 2 Diversity reception The EK 3041-U receiver operates 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 strength gaps“.
Connections and operating elements 햲 햳 햴 햵 햶 햷 햸 햲 SET button for menu selection and programming 햳 Antenna socket, diversity branch A 햴 ON / OFF switch 햵 Multi-function display panel 햶 Button for adjusting the settings of a selected menu (cycling downwards) 햷 Button for adjusting the settings of a selected menu (cycling upwards) 햸 Antenna socket, diversity branch B 32
Mounting the antennæ Your EK 3041-U receiver is supplied with two antenna which are necessary for true diversity operation (see chapter 5). The length of the antenna has been matched to the frequency range of your EK 3041-U receiver. Insert the antenna into sockets 햳 and 햸 and screw them tight.
Mounting the EK 3041-U into the Philips LDK 120 camcorder Preparation: Mount the base plate suitable for the Philips camcorder and fix it to the left and right of the receiver by means of two screws. The Philips adaptor features a 44-pin connector (accessories). PHILIPS Mounting the receiver into the camcorder: • Fix the receiver (from above) to the mounting frame by means of four small screws. • Insert the receiver in the slot-in facility until the 44-pin connector securely connects.
Mounting the EK 3041-U into the Ikegami HL-V77 camcorder Preparation: Mount the base plate suitable for the Ikegami camcorder and fix it to the left and right of the receiver by means of two screws. The Ikegami adaptor features a 25-pin connector (accessories). IKEGAMI Mounting the receiver into the camcorder: • Screw the mounting frame to the Ikegami camcorder housing. • Insert the receiver in the slot-in facility until the 25-pin connector securely connects.
Mounting the EK 3041-U into the Sony SX camcorder Preparation: Mount the base plate suitable for the Sony camcorder and fix it to the left and right of the receiver by means of two screws. The Sony adaptor features a 15-pin connector (accessories). SONY Mounting the receiver into the camcorder: • Screw the mounting frame to the Sony camcorder housing. • Insert the receiver in the slot-in facility until the 15-pin connector securely connects.
Power supply Your EK 3041-U receiver can be powered from different power sources. The adaption to these power sources is via the plug-in connector at the bottom of the receiver and the corresponding accessories. The EK 3041-U can be powered • directly via the camcorder with 12 V or 5.
14 Display of receiving frequency or channel number You can choose the content of the display i.e. whether the preselected receiving frequency or its respective channel number is indicated. 씰 To do so, please proceed as follows: If you press button , the preselected receiving frequency is indicated. 씰 If you press button , the respective channel number is indicated.
씰 Press the SET button three times to select a receiving frequency ( see chapter 19). 씰 Press the SET button four times to assign a channel number to a receiving frequency ( see chapter 20). 씰 Press the SET button five times to adjust the limiter of the headphone output. This menu is skipped (= out of operation) if the receiver is inserted into a camcorder ( see chapter 21).
17 Adjusting the headphone volume 씰 Briefly press the SET button once. The display now indicates „PHonE“ in alternation with a three-digit number indicating the current volume level at the headphone output of your EK 3041U receiver. The adjustment range of the headphone volume is between 0 an 126 (on the display). 씰 The headphone output can only be used if the receiver is not inserted in the slot-in facility of a camcorder but is operated as a stand-alone receiver, e.g.
18 Adjusting the squelch Your EK 3041-U receiver is equipped with an adjustable squelch control which eliminates annoying noise when the transmitters are switched on and off. It also suppresses sudden noise when a transmitter leaves the reception area and there is no longer sufficient transmitter power received by the receiver. 씰 Briefly press the SET button twice. The display now indicates „Squelch“ in alternation with one of nine possible squelch values (adjustable in 5-dB steps from „OFF“ to „40“).
19 Changing the receiving frequency 씰 Briefly press the SET button three times. The display now indicates the preset receiving frequency in alternation with the channel number assigned. (If no channel number has been assigned, three „hyphens“ appear on the display): 씰 With the / buttons you can now select a different frequency. The display always jumps to the next fixed frequency setting in the program. 씰 When you get to the desired frequency, press the SET button for about 1 second.
20 Assigning a channel number You can assign a channel number (from 001 to 255) to each of the 32 receiving frequencies. With larger systems, it is recommended to use the same channel number for both transmitters and receivers in order to provide for simpler monitoring of the system. 씰 Briefly press the SET button four times. The display now indicates the assigned channel number in alternation with „CH SET“.
21 Limiter Your EK 3041-U receiver is equipped with a switchable limiter which limits the output voltage of the built-in headphone amplifier. The limiter protects your hearing and should therefore always be switched on. Note The limiter can only be used if the receiver is not inserted in the slot-in facility of a camcorder but is operated as a stand-alone receiver, e.g. inserted into a special housing (accessory). If the receiver is inserted in the slot-in facility of a camcorder, this menu is skipped.
22 Locking the operating buttons / „Lock mode“ function You can lock the operating buttons of your EK 3041-U to prevent accidental programming or switching off by a user inexperienced in handling the receiver. 씰 씰 Locking the buttons Briefly press the SET button six times until „Loc“ begins to flash on the display. Now press the SET button for more than one second to store your setting. „Sto“ briefly appears on the display, indicating that the new setting has been stored.
23 Sennheiser transmitters report their battery/accupack status Sennheiser supplies hand-held and pocket transmitters ( see chapter 24) which provide information on the available transmitter battery/accupack status to the receiver. This information can be evaluated with the EM 3041U receiver. 씰 When the battery or accupack capacity is so low that only a transmission time of about 20 to 30 minutes remains, the „bat.
24 Suitable Sennheiser transmitters For the optimum use of the excellent reception qualities of the EK 3041-U receiver, Sennheiser offers hand-held and pocket transmitters in a variety of configurations: • • • • • Pocket transmitters: SK 1063-U BF 1083-U SK 50-U SK 50-UA SK 250-U (without display of battery status) (without display of battery status) (with display of battery status) (with display of battery status) (with display of battery status) • • • • Hand-held transmitters: SKM 1072-U BF 1081-U S
25 Safety instructions 씰 Never open electronic devices! Servicing and programming must only be done by authorised personnel and is all the more important for currentcarrying units. If devices are opened by customers in breach of this instruction, the warranty becomes null and void. 씰 Keep the receiver away from central heating radiators and electric heaters. 씰 Use a damp cloth for cleaning the receiver. Do not use any cleansing agents or solvents.
28 Recommended accessories • • GA 3041-C GA 3041-B Base plate with special housing Power adaptor Cat. no. 04642 Cat. no. 04643 • • • GA 3041-15 GA 3041-25 GA 3041-44 Sony adaptor Ikegami adaptor Philips adaptor Cat. no. 04639 Cat. no. 04640 Cat. no. 04641 • • • • B 50 B 250 BA 50 BA 250 Battery box (small) Battery box (large) Accupack (small) Accupack (large) Cat. no. Cat. no. Cat. no. Cat. no.
29 Technical data Frequency range Receiver frequencies Switching bandwidth Frequency stability Sensitivity (with HiDyn plus®) Squelch treshold Adjacent channel rejection Intermodulation attenuation Antenna inputs / Impedance Compander system De-emphasis Nominal/peak deviation AF frequency response Signal-to-noise ratio Outputs / Power supply 씰 Terminating impedance Power supply 3-pin XLR + 9 dB (2.
Aktuelle Informationen zu Sennheiser-Produkten erhalten Sie auch im Internet unter „http://www.sennheiser.com“. Up to date information on Sennheiser products can also be found on the Internet under “http://www.sennheiser.com”. Vous trouverez également toutes les informations actuelles relatives aux produits Sennheiser sur Internet, sous “http://www.sennheiser.com“. Informazioni attuali sulla gamma di prodotti Sennheiser sono disponibili anche in Internet al sito „http://www.sennheiser.com“.
