Lectrosonics UDR300c User Manual download pdf (Page 15)

Wireless Diversity Receiver

Receiver Setup Window

The Receiver Setup window is invoked by double-clicking or

right-clicking on a receiver pane in the Main window. It permits

detailed configuration, monitoring and control of an individual

receiver.

The Meters and Status frame contains large RF and Audio

meters which behave the same way as the smaller ones in the

panes on the Main window. The Opti indicators indicate

diversity status in the same way as the LEDs on the receiver

itself. The Limit indicator lights whenever the audio at the

transmitter is in limiting. The Block indicator shows the fre-

quency block to which the receiver is tuned. The Batt and

Temp indicators show battery voltage and receiver internal

temperature just like the similar controls in the panes on the

Main window. The Pilot indicator has three states: ON (green),

OFF (red), and BYPASS (yellow). Double-clicking the Pilot

indicator allows the pilot tone bypass mode to be turned on or

off.

The Tuning and Groups frame shows the receiver’s current

tuning and allows it to be tuned in real time. Each receiver has

four groups of up to 16 named frequencies each. The controls

in this frame can be used to view and change the programming

of these groups. The small drop-down list is used to select a

group, 1 through 4. If the current channel is already stored in

the current group as a named frequency, the name will be

displayed in the large drop-down list, and the Rename and

Delete buttons will be enabled. If the current channel is not

stored in the current group, the large drop-down list will be

blank and the Add button is enabled. The large drop-down list

may be used to tune to a named frequency directly. To add a

named frequency to a group, use the spin button control to

select the desired frequency, then click Add and supply a

name. To rename a named frequency, tune to it, click Rename,

and supply a new name. To remove a named frequency from a

group, tune to it and click Delete. The Restore button may be

used to quickly retune to the frequency that was tuned before

the Receiver Setup window was invoked.

The Walk Test Recorder

enables one person to

perform a complete system

walk test. A “strip chart”

style recording of RF signal

strength versus time is

combined with recorded

audio from the PC’s sound

card. The result is an ability

to “play back” a walk test,

monitoring RF performance

as well as judging audio

quality. If the audio contains

clues about the walker’s

route, it is possible to deter-

mine the location and sever-

ity of dropouts at playback

time. Button controls re-

semble traditional tape

recorder controls. From left

to right, they are Record,

Seek Start, Seek End, Play, Stop, and Clear. If the length of

the recording is longer than will fit in the window, dragging the

mouse in the window will cause it to scroll. To play only a

portion of the recording, the mouse may be clicked at the

starting location prior to pressing the Play button. In order to

use the audio portion of the Walk Test Recorder, it is neces-

sary to connect an audio cable from the headphone jack of the

receiver to the PC sound card audio input (line input pre-

ferred).

The Spectrum Analyzer is useful for finding clear frequencies.

To use, click Run and let it accumulate data for a while. The

tallest peak on each frequency is saved. Once the spectrum

analyzer has been run, the receiver can be tuned by clicking

the mouse inside the spectrum display.

File Menu

The file menu lets you save and load sets of named frequency

groups, or exit back to the Main window. The Load Groups

command loads settings from a disk file into the receiver.

Save Groups As writes the receiver’s current named fre-

quency group settings to a disk file. Exit to UDRpanel closes

the Receiver Setup window and returns to the Main window.

Rio Rancho, NM – USA

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Lectrosonics UDR300c User Manual Page 15

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