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Venue Narrowband Receiver
Pre-coordinated Frequencies
Interference from IM (intermodulation) is a potential
problem in all multi-channel wireless systems, so proper
frequency coordination is always required to avoid
noise, range and dropout problems. Your options to ac-
complish this include:
• Using the pre-coordinated frequency groups
• Performing a system checkout
(See Multi-channel System Checkout)
• Calling Lectrosonics for assistance
Compatible Frequency Table
Groupings of compatible frequencies have been cre-
ated to minimize intermodulation problems in multiple
channel wireless systems. The frequencies can be used
with Digital Hybrid and analog Lectrosonics wireless
equipment. Compatibility with other brands is likely, but
not guaranteed by Lectrosonics.
The table provides two different sets of pre-coordinated
frequencies for frequency blocks 21 through 29. The
table is constructed to create a visual pattern of com-
patible frequencies to make it easier to use. The fre-
quencies are stored in memory in various products and
included in the VRpanel software.
Displayed as “GROUP a” through “GROUP d” in the LCD
and as “Grp a” through “Grp d” in VRpanel
BLOCK 22
Grp a
Pre-coordinated fre-
quencies are arranged
Grp b
in four groups as shown
at right.
FREQ SW SET US TV CH
563.700 0,5 tv29
564.300 0,B tv29
565.200 1,4 tv29
565.800 1,A tv29
567.100 2,7 tv30
568.000 3,0 tv30
568.500 3,5 tv30
569.300 3,D tv30
575.700 7,D tv31
577.900 9,3 tv31
578.600 9,A tv32
579.900 A,7 tv32
581.700 B,9 tv32
582.600 C,2 tv32
585.200 D,C tv33
587.500 F,3 tv33
The uppermost eight
BLOCK 22
frequencies comprise
Grp a, the eight just
below them comprise
Grp b, and so on.
FREQ SW SET US TV CH
570.100 4,5 tv30
570.700 4,B tv30
571.600 5,4 tv30
572.200 5,A tv31
573.200 6,4 tv31
574.400 7,0 tv31
574.900 7,5 tv31
575.500 7,B tv31
581.100 B,3 tv32
582.100 B,D tv32
582.600 C,2 tv32
584.300 D,3 tv32
585.000 D,A tv32
585.600 E,0 tv32
586.300 E,7 tv32
588.100 F,9 tv32
Grp c
Grp d
LECTROSONICS, INC.
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