Lectrosonics UDR200b - Manual (Page 13)

Wireless Diversity Receiver
LecNet TM COMPUTER INTERFACE
MICROPROCESSOR CONTROL
An internal microprocessor controls the frequency
settings and display, and provides a user friendly
interface for setup and operation. 256 frequencies
are available in 100KHz steps. The 25.6 MHz
bandwidth covers more than four UHF television
channels to allow maximum flexibility in frequency
coordination for congested RF environments and
in travelling venues.
THE LecNet TM INTERFACE
All setup functions and almost all operational
functions are available from the UDR200B front
panel without the use of a PC. Via a PC, several
other features are added to simplify setup and
enhance monitoring during operation. LecNet
TM software is
supplied with the UDR200B.
The first display that appears when the UDR200B software is
loaded is a composite summary of up to 8 receivers, showing
basic RF and audio levels and frequency settings. Each of the
8 display screens includes a button to switch to the complete
control panel for that specific receiver.
For multi-channel systems, each UDR200B
receiver is assigned a unique serial address
from the front panel of the receiver. When
the LecNet TM Master Pro software is then
launched, a role call is initially taken to
identify all devices that are connected.
AUTO SEARCH FUNCTION
The UDR200B provides the installer with a convenient method
of conducting a “site survey” when setting up for a new venue
or installation. The Auto Search function scans either the
entire tuning range of the receiver, or a selected frequency
group, and locates RF signals in the vicinity. The results are
graphically displayed in the lower section of the screen. The
screen markers are a peak holding type to record activity over
any chosen time period. The Auto Search procedure is espe­
cially valuable in travelling or rental venues that set up and tear
down frequently.
When the “Receiver Setup” button is clicked, a detailed display
appears with a wide variety of information dynamically dis­
played. RF and audio levels, Opti-Blend
TM panning activity,
frequency, pilot tone status, user and group names for each
receiver, and all information provided by the front panel LED
character strip is clearly displayed. Frequencies can be
changed to any frequency within the range of the receiver, or
to only those included in a previously selected, compatible
grouping.
The individual receiver control panel includes three sections to
display current settings, provide a workspace for new fre­
quency groups and a spectrum analyzer section for site sur­
veys.
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