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SMDa

INSTRUCTION MANUAL

Super Miniature Belt-Pack Transmitters

With Digital Hybrid Wireless™ Technology

US Patent 7,225,135

SMDa

Dual battery, 100 mW

RM/E

Remote Control

Fill in for your records:

Serial Number:

Purchase Date:

Rio Rancho, NM, USA

www.lectrosonics.com

Содержание SMDa

Страница 1: ... Miniature Belt Pack Transmitters With Digital Hybrid Wireless Technology US Patent 7 225 135 SMDa Dual battery 100 mW RM E Remote Control Fill in for your records Serial Number Purchase Date Rio Rancho NM USA www lectrosonics com ...

Страница 2: ...SMDa Series LECTROSONICS INC 2 ...

Страница 3: ...y 4 No Pre Emphasis De Emphasis 4 Low Frequency Roll Off 5 Input Limiter 5 Signal Encoding and Pilot Tone 5 Microprocessor PLL and VCO Circuits 5 Compatibility Modes 5 Wide Band Deviation 5 Battery Options and Operating Time 5 Frequency Blocks 5 Circulator Isolator 5 Controls and Functions 6 LCD Screen 6 Power LED 6 Audio Input Jack 6 Battery Compartment and Thumb Screw 6 Modulation LEDs 6 Audio B...

Страница 4: ... known as pumping and breathing Wholly digital systems defeat the noise by sending the audio information in digital form at the cost of some combination of power bandwidth and resistance to interference Lectrosonics Digital Hybrid systems overcome channel noise in a dramatically new way digitally encoding the audio in the transmitter and decoding it in the receiver yet still sending the encoded in...

Страница 5: ...als It works intimately with the DSP to ensure the audio is encoded according to the selected Compatibil ity Mode and that the correct pilot tone is added to the encoded signal Compatibility Modes SMDa transmitters were designed to operate with Lectrosonics Digital Hybrid receivers and will yield the best performance when doing so However due to the flexibility of digital signal processing the tra...

Страница 6: ...release or secure the Battery Compartment Cover Plate allowing access to the battery Modulation LEDs The Modulation LEDs provide a visual indication of the input audio signal level from the microphone These two bicolor LEDs can glow either red or green to indicate modulation levels 0 dB in the table below indicates full modulation Signal Level 20 LED 10 LED Less than 20 dB Off Off 20 dB to 10 dB G...

Страница 7: ...ls count up from one and the boot sequence begins when the count reaches three LECtro is displayed as the boot se quence begins If either button is release prior to the screen reaching numeral three the unit will enter the Standby Mode with no RF output Turning the Power Off With the unit turned on simul taneously holding the AUDIO and FREQ buttons starts a countdown timer with numerals Initial Po...

Страница 8: ...ter is set to rc oFF the message rc oFF will be dis played briefly on the transmitter s LCD to confirm that a valid signal was received but that the transmitter is not configured to respond to it Functions available from the remote control are Audio Level Frequency Lock Unlock Buttons Sleep Wake power saving mode In sleep mode the SMDa uses 20 of the normal amount of current Sleep mode can only be...

Страница 9: ...t transmitting any signals Standby Mode can only be invoked from a power off condition Quickly press and release both the AUDIO and FREQ buttons simultaneously to enter and exit this mode Selecting the Compatibility Mode All Digital Hybrid receivers are capable of working with the Lectrosonics SMDa trans mitters By selecting the proper compatibility mode the SMDa will also work with IFB analog rec...

Страница 10: ... The control panel Modulation LEDs indicate the modu lation level and limiter activity Once set the transmit ter s audio level setting should not be used to control the volume of your sound system or recorder levels This gain adjustment matches the transmitter gain with the microphone s output level the user s voice level and the position of the microphone The audio input level can be set with the...

Страница 11: ...ve close to the housing to work the edge over the flange if the transmitter was previously configured to respond to the remote control The unit will always power up in unlocked mode Attaching and Removing the Microphone The flexible sleeve over the 5 pin plug on the micro phone helps prevent dust and moisture from getting into the input jack A flange is machined into the rim of the connector on th...

Страница 12: ...o Limiter Control LINE IN PIN 5 High impedance line level input for tape decks 3 3uF mixer outputs musical instruments etc SM Equivalent Input Circuit Wiring 10k 2 7K TA5F Latchlock Insert Insulator Strain Relief TA5F Backshell with Strain Relief Remove strain relief if using dust boot TA5F Backshell Strain Relief removed Dust Boot Sleeve 35510 Note If you use the sleeve remove the rubber strain r...

Страница 13: ...e cable so that the clamp can be crimped to contact both the mic cable shield and the insulation The shield contact reduces noise with some microphones and the insulation clamp increases ruggedness Crimp these fingers to contact the NOTE This termination is intended for UHF shield transmitters only VHF transmitters with 5 pin jacks require a different termination Lectrosonics lavaliere microphones...

Страница 14: ...lling RF bypass capacitors at the mic capsule If this is not pos sible or if you are still having problems capacitors can be installed on the mic pins inside the TA5F connector housing 2 WIRE MIC 3 WIRE MIC CAPSULE CAPSULE SHIELD AUDIO SHIELD AUDIO BIAS Alternate locations for bypass capacitors TA5F CONNECTOR TA5F CONNECTOR Preferred locations for bypass capacitors Install the capacitors as follow...

Страница 15: ...3 DPA MICROPHONES Danish Pro Audio miniature models This wiring is for DPA lavalier and headset microphones NOTE The resistor value can range from 3k to 4k ohms BALANCED AND FLOATING LINE LEVEL SIGNALS NOTE If the output is balanced but center tapped to ground such as on all Lectrosonics receivers do not connect Pin 3 of the XLR jack to Pin 4 of the TA5F connector TA5F PLUG XLR JACK Fig 7 SHIELD T...

Страница 16: ...tons Once on a page settings can be adjusted with the UP and DOWN arrow buttons To change a transmitter s setting via the RM it is neces sary to dial in the new setting on the appropriate page on the RM and then press the SEND button on the side near the speaker The speaker should be uncov ered and held within a few inches of the transmitter s microphone The longest usable range is about 6 feet de...

Страница 17: ...he Loud page If the RM is set to a different block number than the transmitter and an attempt is made to set the transmitter s frequency in MHz the command will still work The transmitter is simply set to the corresponding channel in the correct block with a matching hex code Since all SM transmitters respond to the same sig nals take care that the remote control is presented only to the desired t...

Страница 18: ...itches display on transmitter and receiver 5 Transmitter and receiver not on same frequency block 6 Operating range is too great 7 Defective transmitter antenna unit needs repair NO SOUND OR LOW SOUND LEVEL RECEIVER INDICATES PROPER AUDIO MODULATION 1 Receiver output level set too low 2 Receiver output disconnected or cable defective or mis wired 3 Sound system or recorder input is turned down DIS...

Страница 19: ...hen the unlocked condition was indicated TRANSMITTER WON T RESPOND TO REMOTE CONTROL 1 If LCD blinks rc oFF transmitter has not be configured to respond to the remote control See Remote Control Operation on page 8 for instructions on how to configure 2 If LCD blinks transmitter is already set as requested by the remote control 3 If transmitter doesn t not respond at all try moving the remote contr...

Страница 20: ...BCSL Spring loaded machined aluminum clip on SMDa Place Thermal insulation pad on back of unit as pictured integrated belt clip Optional Accessories SMKITTA5 Connector kit for SMa series SMDBC Machined wire belt clip for SMDa transmitters 5 pin TA5F plug with sleeve and transmitters LECTROSONICS INC 20 ...

Страница 21: ... or 4 V servo bias for any electret lavaliere Gain control range 40 dB panel mounted membrane switches Modulation indicators Dual bicolor LEDs indicate modulation of 20 10 0 10 dB referenced to full modulation Controls Control panel with LCD and four membrane switches Low frequency roll off 6 3 0dB 3 6 9 12 Audio Frequency Response Signal to Noise Ratio dB overall system 400 Series mode Note the d...

Страница 22: ...s for Repair For timely service please follow the steps below A DO NOT return equipment to the factory for repair without first contacting us by email or by phone We need to know the nature of the problem the model number and the serial number of the equipment We also need a phone number where you can be reached 8 A M to 4 P M U S Mountain Standard Time B After receiving your request we will issue...

Страница 23: ...Super Minature Belt Pack Transmitters Rio Rancho NM 23 ...

Страница 24: ...ler shipping costs prepaid within one year from the date of purchase This Limited Warranty is governed by the laws of the State of New Mexico It states the entire liablility of Lectrosonics Inc and the entire remedy of the purchaser for any breach of warranty as outlined above NEITHER LECTROSONICS INC NOR ANYONE INVOLVED IN THE PRODUCTION OR DELIVERY OF THE EQUIPMENT SHALL BE LIABLE FOR ANY INDIRE...

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