Electro-Voice MS3000 Series, Руководство пользователя

Страница: 7 / 12

MS3000 OWNERS MANUAL
page 7
These cables are available as accessories (see
accessories listing).
4. If multiple wireless systems are being used, a
multi-coupler will minimize antenna interference.
A multi-coupler has one set of antennas and
distributes RF signal to multiple systems. The
Electro-Voice A/P4X4 will supply antenna signal
and DC power to 4 systems, eliminating 3 exter-
nal power supplies and 6 antennas (Figure 12).
COMPATIBILITY
The receiver and transmitter must be tuned to the
same frequency in order to operate together as a
system. Mixing brands of wireless components,
even if units have the same frequency, will not work
due to differences in companding circuits.
If two or more MS3000 and/or other VHF/UHF wire-
less systems are being used in the same location,
proper frequency coordination is necessary to avoid
interference. Frequency mixing and spacing must
be factored along with local TV stations to deter-
mine if conflicts will result from a specific group.
Figure 12
Contact your dealer or Electro-Voice for frequency-
selection assistance if you are planning to add more
wireless systems to be operated simultaneously in
the same location.
POTENTIAL SOURCES OF INTERFERENCE
There are many potential sources of interference for
your wireless system. Any electronic component
that contains digital circuitry including digital signal
processors (reverb/multi-effects units), electronic
keyboards, digital lighting controllers, CD players
and computers all emit rf energy that can adversely
affect the performance of your wireless system. It is
always best to place your receiver as far away from
these devices as possible to minimize this potential
source of interference.
SYSTEM SPECIFICATIONS STANDARD
FREQUENCIES (MHz)
690.100; 690.500; 691.200; 692.100; 694.200; 695.000
695.350; 695.500; 696.425; 696.725; 698.200; 699.800
700.200; 702.200; 702.600; 703.250; 704.250; 706.250
707.460; 707.850; 708.600; 709.150; 710.350; 712.250
713.900; 714.450; 715.350; 717.750; 719.050; 720.600
MR3000 RECEIVER
Frequency Range 690 – 725 MHz
RF Stability 0.005% or better
Modulation Type FM, 40 kHz nominal
Type Double Conversion, 65.75 MHz and
10.7 MHz I.F.
IF Bandwidth 230 kHz at –3dB points
Image Rejection 65 dB or better
Squelch Amplitude adjustable
Audio Outputs:
Mic Level: -20 dBV at 600 ohms
Line Level: 0.775 V rms at 100K ohms (max)
Signal-to-Noise Ratio 104 dB
Receiver Sensitivity: Less than 0.8 uV for 12 dB SINAD
FCC Compliance: Notification, Part 15
FCC Identification: B5DR307
Diversity: Continuous Secure-Phase
tm
Diversity to maximize signal
strength
Supplied Accessories: Two ¼-wave antennas; rack mount adapters (1 short, 1
mid, 1 long); gain adjustment screwdriver; AC power
supply (120 Volt/60 Hz or 230 Volt/50 Hz); owner’s
manual.
Size (HxWxD): 1.75 in x 7.5 in x 7.75 in without antennas
(31.75 x 190.5 x 196.85 mm)