Sennheiser EK3253 manual Specifications, EK 3253 bodypack receiver

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Specifications

EK 3253 bodypack receiver

RF characteristics

Modulation

Frequency ranges

Receiving frequencies

FM stereo

518–554, 626–662, 740–776, 786–822, 830–866 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)

Switching bandwidth

Nominal/peak deviation

Pilot tone (frequency/deviation)

Frequency stability

Sensitivity

(with HDX, peak deviation)

Adjacent channel rejection

Intermodulation attenuation

Blocking

Squelch

AF characteristics

Noise reduction system

AF frequency response

Signal-to-noise ratio (1 mV, peak deviation)

THD (at nom. deviation, 1 kHz)

Headphone output

36 MHz

±24 kHz / ±48 kHz

19 kHz / ±5 kHz

≤±20 ppm (-10 to +55°C)

typ. 1.5 μV at 52 dBArms S/N

typ. 75 dB

typ. 90 dB

4 steps: OFF
LO:	5 dBμV
MID:	15 dBμV
HI:	25 dBμV

Sennheiser HDX

40–15,000 Hz

≥91 dB(A)

≤0.9 %

3.5 mm jack socket

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Contents Instructions for use Contents Thank you for choosing Sennheiser Health risks arising from use Safety instructionsDelivery includes Intended use of the receiverImproper use EK 3253 bodypack receiver Channel bank systemRecommended transmitters UP/DOWN Operating controlsOperation and battery status indication Indications and displaysLC display Mute display Modulation display of the received transmitterRF signal indication Pilot displayDisplay backlighting Inserting and replacing the batteries Preparing the receiver for useInserting and charging the accupack Using the receiver Switching the receiver on/offConnecting the headphones Adjusting the volume Adjusting the balance/FOCUS Activating/deactivating the lock modeAttaching the receiver to clothing Buttons Operating menuOverview of menus Working with the operating menu Getting into the operating menuSelecting a menu Adjusting a setting Storing a settingExiting the operating menu Exit Operating menu of the receiverChan Selecting a channel Chan Adjustment tips for the operating menuScanning the channel bank for free channels Adjusting the squelch threshold SqelchStarting the scan and storing the scan result Releasing locked channelsImportant note HI-BST Stereo/FOCUS selection ST-FOCEntering a name Name Selecting the standard display DislpyLoading the factory-preset default settings Activating/deactivating the lock mode LockActivating/deactivating the pilot tone evaluation Pilot Exiting the operating menu Exit Error checklist If problems occurRecommendations and tips Maintenance and careFor the receiver For optimum receptionAdditional information Squelch Pilot tone squelchField strength-dependent squelch EK 3253 bodypack receiver SpecificationsAccessories Connector assignmentWarranty regulations