User manual SENNHEISER EK 3253

[. . . ] Instructions for use EK 3253 Contents Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Delivery includes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 EK 3253 bodypack receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 The operating controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] Do not listen at higher volume levels than with loudspeakers. 15 Connect the supplied earphones or any Sennheiser stereo headphones with 3. 5 mm stereo jack plug to the headphone output (PHONES) . ³ · 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. Adjusting the volume Use the volume control nected headphones. After switching on the receiver, the standard display is shown on the display panel. Getting into the operating menu Press the SET button to get from the standard display into the operating menu. The last menu selected flashes on the display. Selecting a menu Press the / rocker button to select a menu. Press the SET button to get into the setting mode of the selected menu. The current setting that can be adjusted flashes on the display. 20 Adjusting a setting Press the / rocker button to adjust the setting. By briefly pressing the / rocker button, the display jumps either forwards or backwards to the next setting. In the "CHAN", "TUNE", "NAME" and "BAL/FOC" menu, the / rocker button features a "fast search" function. If you hold down a button, the display cycles continuously. The "fast search" function allows you to get fast and easily to your desired setting. The new setting flashes on the display until it is stored. Storing a setting Press the SET button to store the setting. "STORED" appears on the display, indicating that the setting has been stored. The display then returns to the previous menu level. With most menus, new settings become effective immediately without having to be stored. An exception is the "RESET" menu. With this menu, new settings only become effective after they have been stored ("STORED" appears on the display, indicating that the setting has been stored). Exiting the operating menu Select the "EXIT" menu to exit the operating menu and to return to the standard display. 21 The operating menu of the receiver EXIT SET CHAN Changing the channel SET Current channel or current frequency F. 01 B. CH F. 02 B. CH Channel U. 01 . . . U. 16 Selects the channel STORED TUNE Setting the frequency for channel bank "U" Press SET for 1 sec. U. 01 Current channel B. CH U. 02 Channel Selects the channel SET SET 530. 100 STORED SET MHz Receiving frequency in steps of 5 kHz Stores the setting 530. 050 Current frequency im eingestellten Kanal U. / MHz SCAN Scanning for free channels U. START CLEAR : CLEAR, START 09 CH FREE SET Start scan = START SET: Scans for free channels Delete result = CLEAR SET: Releases locked channels STORED SQELCH Setting the squelch threshold SET SQ LO Current squelch threshold / SQ HI : LO, MID, HI SET: Stores the setting STORED ST--FOC Switching between stereo and FOCUS operation SET STEREO Current setting / FOCUS : Stereo, Focus SET: Stores the setting STORED SET LTD Limiting the volume at the headphone output LTD. OFF Limiter activated or deactivated LTD. ON Stores the setting STORED HI--BST Boosting the AF frequency response SET HB. OFF Frequency boost activated or deactivated HB. ON Stores the setting STORED DISPLAY 22 HI-BST DISPLY Switching between the standard displays SET CHAN Current standard display NAME / : FREQ, NAME, CHAN SET: Stores the setting STORED NAME Assigning the receiver a name SET VOCAL Current receiver name / GUCAL : Name (6 characters) Letters w/o pronounciation marks, numbers from 0. . . 9, special characters, spaces SET: next character, then store STORED SET RESET Loading the factorypreset default values RST. OK "reset" = OK 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 Activating/deactivating the pilot tone evaluation SET PLT. ON Pilot tone evaluation activated or deactivated PLT. OFF Stores the setting STORED LOCK Activating/deactivating the lock mode SET LOC. OFF OFF Lock mode activated or deactivated LOC. [. . . ] This prevents strong interfering signals from causing hissing noise in the receiver when the transmitter is switched off. Field strength-dependent squelch Depending on the strength of the received RF signal, the receiver's audio output is opened or muted. Via the "SQELCH" menu of the receiver, the squelch threshold can be adjusted in three steps (LO, MID, HI). 34 Specifications EK 3253 bodypack receiver RF characteristics Modulation Frequency ranges Receiving frequencies Switching bandwidth Nominal/peak deviation Pilot tone (frequency/deviation) Frequency stability Sensitivity (with HDX, peak deviation) Adjacent channel rejection Intermodulation attenuation Blocking Squelch FM stereo 518­554, 626­662, 740­776, 786­822, 830­866 MHz 1 channel bank with up to 16 factory-preset channels 1 channel bank with up to 16 freely selectable channels (frequencies tunable in steps of 5 kHz) 36 MHz ±24 kHz / ±48 kHz 19 kHz / ±5 kHz ±20 ppm (-10 to +55°C) typ. 90 dB 4 steps: OFF LO: 5 dBV MID: 15 dBV HI: 25 dBV AF characteristics Noise reduction system AF frequency response Signal-to-noise ratio (1 mV, peak deviation) Sennheiser HDX 40­15, 000 Hz 91 dB(A) THD (at nom. [. . . ]