Lectrosonics SMa Series Instruction Manual Download Page 7

Super-Minature Belt Pack Transmitters 

Setup with the LCD 

Six screens are used to set up and operate the SM. 

These screens are used to set the operating frequency, 

adjust the audio input level, select the Compatibility 

Mode or lock the control panel and power down the 

transmitter. 

Audio Screen 

The Audio screen is used to 

adjust input gain from 0 to +44 

dB, and the low frequency roll-

off from 35 to 150 Hz. Repeat­

edly pressing the AUDIO button 

toggles back and forth between the two displays. Press 

and hold the AUDIO button and use the Up and Down 

arrows to make adjustments. 

Frequency Screen 

The Frequency Screen dis­

plays the operating frequency 

in MHz or as a two-digit 

hexadecimal number that cor­

responds to the equivalent 

Lectrosonics Frequency Switch 

Setting. Pressing the FREQ button toggles between the 

two displays. 

Compatibility Mode 

Screen 

Holding down the Up arrow but­

ton while powering up the SM 

opens the Compatibility Mode 

and Power setting screens. Repeated pressing of the 

FREQ or AUDIO buttons toggles between the Compat­

ibility Mode and Power screens. 

Note: RF transmission is prevented while selecting 

Compatibility Modes and Power level. 

Use the Up and Down arrow buttons to select the de­

sired compatibility mode: 

• 

 

400

 

- for

 

all

 

Lectrosonics

 

400

 

Series

 

Digital

 

Hybrid

 

Wireless

 receivers, including the Venue. This mode 

offers the best audio quality. 

• 

 

200

 

- for

 

all

 

Lectrosonics

 

200

 

Series

 

receivers.

 

• 

 

100

 

- for

 

all

 

Lectrosonics

 

100

 

Series

 

receivers.

 

• 

 

3

 

- (Mode

 

3)

 

for

 

non-Lectrosonics

 

analog

 

receivers.

 

Contact the factory for a list of compatible receivers. 

• 

 

IFB

 

- for

 

all

 

Lectrosonics

 

IFB

 

receivers.

 

• 

 

6

 

- (Mode

 

6)

 

for

 

non-Lectrosonics

 

analog

 

receivers.

 

Contact the factory for a list of compatible receivers. 

To power off from the compat­

ibility mode screen, press and

hold AUDIO and FREQ to­

gether. 

Initial Power On 

Timer Screen 

Turning the Power On 

With the power turned off, simultaneously pressing 

and holding the AUDIO and FREQ buttons displays a 

timer with numerals on the right. The numerals count 

up from one and the boot sequence begins when the 

count reaches three. “LECtro” is displayed as the boot 

sequence begins. If either button is release prior to the 

screen reaching numeral three, 

the unit will enter the Standby 

Mode with no RF output (see 

Standby Mode below). 

Initial Power Off 

Timer Screen 

Turning the Power Off 

With the unit turned on, simultaneously holding the AU­

DIO and FREQ buttons starts a countdown timer with 

numerals on the right. The screen counts down from 

three and the transmitter turns off when it reaches zero. 

Releasing either button prior to the Power Off Timer 

screen indicating zero returns 

the unit to normal operation and 

displays the previous screen. 

Standby Screen 

Entering the 

Standby Mode 

With the power turned off, pressing the AUDIO and 

FREQ buttons for about one second places the unit in 

Standby Mode. In this mode the RF output is turned off 

so all setup adjustments can be made without interfer­

ing with other systems operating in the same location. 

The screen displays “rf OFF” to remind the user that the 

unit is not transmitting. 
Holding the FREQ button in Standby Mode displays the 

current operating frequency of the transmitter. The op­

erating frequency can be changed by holding the FREQ 

button and pressing either the Up or Down button. 

Release the FREQ button, then press and hold it again 

to toggle the display between frequency in MHz and the 

hex code corresponding to the equivalent Lectrosonics 

Frequency Switch Setting. 
Holding the AUDIO button in Standby Mode displays 

the current audio input level setting. This level can be 

changed by holding the AUDIO button and pressing 

either the Up or Down button. 
Quickly pressing both the FREQ and AUDIO buttons 

simultaneiously when the unit is 

in Standby Mode powers off the 

transmitter. 

Lock/Unlock Screen 

Simultaneously pressing and 

holding both the Up and Down 

arrow buttons during normal operation starts the Lock 

timer. The timer starts at three and counts down to zero. 

Rio Rancho, NM 

7

 

Summary of Contents for SMa Series

Page 1: ...e Belt Pack Transmitters With Digital Hybrid Wireless Technology SMa Single battery 100 mW RM Remote Control Digital Hybrid Wireless US Patent 7 225 135 Fill in for your records Serial Number Purchase...

Page 2: ...SMa Series LECTROSONICS INC 2...

Page 3: ...d perspiration in extreme envi ronments Table of Contents General Technical Description 4 Controls and Functions 6 LCD Screen 6 Power LED 6 Audio Input Jack 6 Battery Compartment and Thumb Screw 6 Mod...

Page 4: ...defeat the noise by sending the audio information in digital form at the cost of some combination of power bandwidth and resistance to interference US Patent 7 225 135 Lectrosonics Digital Hybrid Wire...

Page 5: ...correct pilot tone is added to the encoded signal Compatibility Modes The SM transmitters were designed to operate with Lectrosonics Digital Hybrid receivers and will yield the best performance when d...

Page 6: ...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 t...

Page 7: ...ing and holding the AUDIO and FREQ buttons displays a timer with numerals on the right The numerals count up from one and the boot sequence begins when the count reaches three LECtro is displayed as t...

Page 8: ...ailable from the remote control are Audio Level Frequency Lock Unlock Buttons Sleep Wake power saving mode In sleep mode the SM uses 20 of the normal amount of current For example in sleep mode it wil...

Page 9: ...imultaneously to enter and exit this mode Selecting the Compatibility Mode 400 Series or Digital All Digital Hybrid Wireless Hybrid Wireless receivers are capable of work compatibility mode ing with t...

Page 10: ...n 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...

Page 11: ...cked 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 th...

Page 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 S...

Page 13: ...lamp the insulation Strip and position the 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...

Page 14: ...ling 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 WIR...

Page 15: ...e inserted in series with Pin 5 for an additional 20 dB of attenuation to handle up to 30V 32 dBu Fig 8 1 2 3 4 5 PIN SHIELD AUDIO 1 2 3 4 5 TA5F PLUG 2 7 k 2 VOLT NEGATIVE BIAS 2 WIRE ELECTRET Compat...

Page 16: ...interface is organized into pages which are accessible via the AUDIO and FREQ buttons Once on a page settings can be adjusted with the UP and DOWN arrow buttons To change a transmitter s setting via...

Page 17: ...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 al...

Page 18: ...ches 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 L...

Page 19: ...en 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 Operati...

Page 20: ...k of unit as pictured SMBCUPSL Spring loaded machined aluminum clip Antenna and mic connector will face up 35923 Thermal insulated pad installed on SMa PSM Leather pouch with integrated belt clip Plac...

Page 21: ...RF exposure using this product This device complies with FCC radiation exposure limits as set forth for an uncontrolled environment This device should be installed and operated so that its antenna s...

Page 22: ...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 probl...

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

Page 24: ...aler 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 t...

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