Lectrosonics UM190b Manuel d'utilisateur Page 1

UM190B UHF BELT-PACK TRANSMITTER OPERATING INSTRUCTIONS and trouble-shooting guide LECTROSONICS, INC. Rio Rancho, NM

RF BYPASSING 2 WIRE MIC 3 WIRE MIC Some mics require RF protection to keep the radio signal from affecting the capsule, even though the transmitter

UHF Belt-Pack Transmitter TROUBLESHOOTING Before going through the following chart, be sure that you have a good battery in the transmitter. It is imp

SPECIFICATIONS AND FEATURES Operating frequencies: 470 to 608 MHz RF Power output: 70 mW (nominal) Frequency stability: ±0.002% Deviation: ±15 kH

UHF Belt-Pack Transmitter SERVICE AND REPAIR If your system malfunctions, you should attempt to correct or isolate the trouble before concluding tha

LIMITED ONE YEAR WARRANTYThe equipment is warranted for one year from date of purchase against defects in materials or workmanship provided it was pur

INTRODUCTION Thank you for selecting the Lectrosonics UM190B belt-pack transmitter. The UM190B combines over 80 years of engineering experience wi

UHF Belt-Pack Transmitter GENERAL TECHNICAL DESCRIPTION The UM190B transmitter is comprised of a number of functional sub-systems as shown in the blo

CONTROLS AND FUNCTIONS LF ROLL-OFF ADJ ANTENNA OFF ON –20 0 LECTROSONICS UM190B LEVEL AUDIO LF ROLL OFF 35 150 75 Hz INPUT JACK The input on the UM1

UHF Belt-Pack Transmitter MODULATION LEDS Indicate the proper setting of the MIC LEVEL control. LEVEL LED — Flickers or glows when sufficient audio is

BATTERY INSTALLATION The transmitter is powered by a 9 Volt alkaline or lithium battery. It is important that you use ONLY an ALKALINE or LITHIUM bat

UHF Belt-Pack Transmitter OPERATING INSTRUCTIONS 1) Install a fresh battery according to the instructions on the previous page. 2) Insert the micr

MICROPHONE CORD TERMINATION 1 2 3 45 VIEW FROM SOLDER SIDE OF PINS 0.3" 0.15" Heatshrink Tubing TA5F Connector Assembly Mic Cord Stripping

UHF Belt-Pack Transmitter UM190B INPUT JACK WIRING The wiring diagrams shown on the separate sheet represent the basic wiring necessary for the most