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- Operating instructions manual
Lectrosonics SM Operating instructions manual
Summary of SM
Page 1
1 frequency agile uhf ultra-miniature belt-pack transmitter rio rancho, nm – usa digital hybrid wireless tm ultra-miniature uhf belt-pack transmitter operating instructions sm rio rancho, nm www.Lectrosonics.Com professional audio products since 1971.
Page 2
2 sm professional audio products since 1971 the sm transmitter is fcc type accepted under part 74: 536-608 mhz and 614-806 mhz.
Page 3: Table of Contents
3 frequency agile uhf ultra-miniature belt-pack transmitter rio rancho, nm – usa table of contents general technical description ...................................................................................................... 4 general .............................................................
Page 4
4 sm professional audio products since 1971 sm block diagram phase locked loop voltage controlled oscillator 11001001 a-d converter digital signal processor 11001001 d-a converter shunt limiter bicolor modulation leds microprocessor 1.5v battery switching power supply +3.3v +1.8v +6v -3v servo bias ...
Page 5
5 frequency agile uhf ultra-miniature belt-pack transmitter rio rancho, nm – usa from the audio signal. Excessive low frequency content in the audio input can cause a variety of audio problems including driving the transmitter into limiting. Input limiter a digitally-controlled analog audio limiter ...
Page 6: Controls and Functions
6 sm professional audio products since 1971 controls and functions lcd screen the lcd is a numeric-type liquid crystal display used in conjunction with the audio and freq buttons, and the up and down arrows, to configure the sm. (see sm screen selections.) it is also used with the modulation and pwr...
Page 7
7 frequency agile uhf ultra-miniature belt-pack transmitter rio rancho, nm – usa simultaneously pressing the freq button and audio button will power the transmitter on and off. Up/down arrows the up and down arrows are used to select the operat- ing frequency, adjust the audio level, or set the comp...
Page 8: Sm Screen Selections
8 sm professional audio products since 1971 sm screen selections five screens are used to set up and operate the sm. These screens are used to set the operating frequency, adjust the audio modulation level, select the compatibil- ity mode, lock or unlock the control panel and power down the transmit...
Page 9: Battery Installation
9 frequency agile uhf ultra-miniature belt-pack transmitter rio rancho, nm – usa the transmitter is powered by a standard aa 1.5 volt battery. We recommend using lithium battery for longest life. Lithium batteries provide over 4.5 hours of operation at room temperature. Note standard zinc-carbon bat...
Page 10: Operating Instructions
10 sm professional audio products since 1971 with 200 series, 100 series and ifb analog receivers, plus some other analog wireless receivers (contact the factory for details). Setting the compatibility mode of the transmitter to match the receiver is easily done via the control panel. Note the unit ...
Page 11
11 frequency agile uhf ultra-miniature belt-pack transmitter rio rancho, nm – usa (see controls and functions, frequency screen.) use the following procedure to change the operating fre- quency of the sm transmitter: 1) if the lcd is displaying something other than the frequency screen, press the fr...
Page 12
12 sm professional audio products since 1971 as show in the chart below with only occassional forays into the +0 db to +10 db range.) setting the audio level to high reduces the dynamic range of if the audio signal. Setting the audio level to low may cause hiss and noise in the audio. 5) once the sm...
Page 13: 5-Pin Input Jack Wiring
13 frequency agile uhf ultra-miniature belt-pack transmitter rio rancho, nm – usa electret microphones provided the microphone has its own built-in battery. Pin 4 bias voltage selector for pin 3. Pin 3 voltage (0, 2 or 4 volts) depends on pin 4 connection. Pin 4 tied to pin 1: 0 v pin 4 open: 2 v pi...
Page 14
14 sm professional audio products since 1971 3 1 2 dynamic mic level 1 2 3 4 5 3 2 1 pin pin shield shield tip pin 5 4 3 2 1 sleeve line level rca or 1/4 " plug 1 2 3 4 5 pin pin 5 4 3 2 1 shield audio shield audio bias 3 wire electret mic positive bias 4 v bias shown 1 2 3 4 5 ta5f plug 2 wire elec...
Page 15: Troubleshooting
15 frequency agile uhf ultra-miniature belt-pack transmitter rio rancho, nm – usa before going through the following chart, be sure that you have a good battery in the transmitter. It is important that you follow these steps in the sequence listed. Symptom possible cause transmitter pwr led off 1) b...
Page 16: Specifications and Features
16 sm professional audio products since 1971 operating frequencies: block 21 537.600 - 563.100 block 22 563.200 - 588.700 block 23 588.800 - 607.900 and 614.100 - 614.300 block 24 614.400 - 639.900 block 25 640.000 - 665.500 block 26 665.600 - 691.100 block 27 691.200 - 716.700 block 28 716.800 - 74...
Page 17: Service and Repair
17 frequency agile uhf ultra-miniature belt-pack transmitter rio rancho, nm – usa service and repair if your system malfunctions, you should attempt to correct or isolate the trouble before concluding that the equipment needs repair. Make sure you have followed the setup procedure and operating inst...
Page 18: Returning Units For Repair
18 sm professional audio products since 1971 returning units for repair you will save yourself time and trouble if you will follow the steps below: a. Do not return equipment to the factory for repair without first contacting us by letter or by phone. We need to know the nature of the problem, the m...
Page 19
19 frequency agile uhf ultra-miniature belt-pack transmitter rio rancho, nm – usa.
Page 20: Limited One Year Warranty
Limited one year warranty 581 laser road rio rancho, nm 87124 usa www.Lectrosonics.Com may 15, 2004 professional audio products since 1971 limited one year warranty the equipment is warranted for one year from date of purchase against defects in materials or workmanship provided it was purchased fro...