Lectrosonics UCR511 - Manual (Page 3)

UHF Wireless Digital Hybrid TM Receiver
DIGITAL HYBRID WIRELESS ™
(US Patent Pending)
The Lectrosonics Digital Hybrid Wireless ™ uses innova- This digital/analog hybrid technique has some very
tive technology to combine the new advantages of digital beneficial properties. Because the information being
audio with the classic advantages of analog RF trans-
transmitted is digitally encoded, immunity to noise is
mission, thus delivering the superior sound quality of a much higher than a compandor can offer. Because the
digital system and the excellent range of an analog encoded audio is sent in analog format, spectral and
system. A proprietary algorithm encodes the digital power efficiency and operating range are not compro­
audio information into an analog format which can be mised. Under weak RF conditions, the received signal
transmitted in a robust manner over an analog FM degrades gracefully, like an analog system, delivering as
wireless link. The receiver employs the latest filters, RF much usable audio as possible at maximum range.
amplifiers, mixers and detector to capture the encoded Because the audio is not companded, no compandor
signal and a DSP recovers the original digital audio. artifacts are present at any audio or RF signal level. This
greatly reduces the pumping and breathing problems
commonly found in wireless systems with compandors.
TABLE OF CONTENTS
GENERAL TECHNICAL DESCRIPTION ...................................................................................................... 5
COMPATIBILITY MODES ............................................................................................................................................... 5
DIVERSITY RECEPTION .............................................................................................................................................. 5
RF FREQUENCY TRACKING FRONT-END AND MIXER ............................................................................................ 5
MICROCONTROLLER, PLL AND VCO CIRCUITS ....................................................................................................... 5
IF AMPLIFIERS AND SAW FILTERS ............................................................................................................................. 5
DIGITAL PULSE COUNTING DETECTOR .................................................................................................................... 6
DSP-BASED PILOT TONE ............................................................................................................................................. 6
SMART SQUELCH™ ..................................................................................................................................................... 6
SMART NOISE REDUCTION (SmartNR™) .................................................................................................................. 6
RF-CONTROLLED DIGITAL NOISE FILTER ................................................................................................................. 7
OUTPUT LEVEL ADJUST ............................................................................................................................................. 7
TEST TONE .................................................................................................................................................................... 7
BATTERIES .................................................................................................................................................................... 7
POWER SUPPLY ........................................................................................................................................................... 7
LCD DISPLAY ................................................................................................................................................................. 7
POWER UP SEQUENCE ............................................................................................................................................... 7
POWER OFF .................................................................................................................................................................. 7
FRONT PANEL CONTROLS AND FUNCTIONS ......................................................................................... 8
SEL Up/Down ................................................................................................................................................................. 8
MENU ............................................................................................................................................................................. 8
REAR PANEL FEATURES ............................................................................................................................ 8
XLR AUDIO OUTPUT JACK .......................................................................................................................................... 8
POWER ON/OFF ........................................................................................................................................................... 8
LCD ................................................................................................................................................................................. 8
POWER INPUT JACK .................................................................................................................................................... 8
MAIN WINDOW (LCD) ................................................................................................................................... 9
PILOT TONE INDICTOR ........................................................................................................................................... 9
ANTENNA PHASE INDICATOR ................................................................................................................................ 9
RF LEVEL .................................................................................................................................................................. 9
AUDIO LEVELS ......................................................................................................................................................... 9
BATTERY LEVELS .................................................................................................................................................... 9
FREQUENCY WINDOW .............................................................................................................................................. 10
MENU SELECTIONS FROM MAIN WINDOW ............................................................................................ 10
BATTERY LEVEL WINDOW ......................................................................................................................................... 10
SETUP WINDOW ......................................................................................................................................................... 10
LEVEL ...................................................................................................................................................................... 11
TONE ....................................................................................................................................................................... 11
TXBAT ...................................................................................................................................................................... 11
PHASE ..................................................................................................................................................................... 11
SmtNR ..................................................................................................................................................................... 11
TUNING ................................................................................................................................................................... 11
User Programmable Frequency Group Behavior ................................................................................................. 12
Adding/Deleting User Programmable Frequency Group Entries .......................................................................... 12
COMPAT .................................................................................................................................................................. 12
FREQUENCY SCAN MODE ........................................................................................................................ 13
ANTENNA USE AND PLACEMENT ........................................................................................................... 14
INSTALLATION AND OPERATING INSTRUCTIONS ............................................................................... 15
FINDING CLEAR FREQUENCIES .............................................................................................................................. 15
LOCKING AND UNLOCKING THE UCR511 FRONT PANEL CONTROLS ................................................................ 16
TO REPLACE THE BATTERIES ................................................................................................................. 17
Frequency Coordination ............................................................................................................................ 18
Compatible Frequency Chart ........................................................................................................................................ 18
Rule No. 1 ................................................................................................................................................................ 18
Rio Rancho, NM – USA 3