Lectrosonics SMQV User manual

Quick

Start

Guide

Fill in for your records:

Serial Number:

Purchase Date:

This guide is intended to assist with

initial setup and operation of your

Lectrosonics product.

For a detailed user manual, down-

load the most current

version at:

www.lectrosonics.com

SM Series Transmitters

SMV

SMQV

19 January 2016

Digital Hybrid Wireless®US Patent 7,225,135

LECTROSONICS, INC.2

Controls and Functions

Battery

Compartment

Opener

Battery

Compartment

Cover Plate

Audio

Input Jack

Antenna

AUDIO Button

LCD Screen

FREQ Button

(Tuning)

Modulation

LEDs

Power LED

UP Arrow

DOWN Arrow

LCD Screen

Used to display the status of the selected function.

Power LED

Indicates power status and battery strength.

Power LED Off Feature: In normal operating mode, the DOWN and UP

Arrow buttons may be used to turn the PWR LED indicators off and on.

This setting does not persist through a power cycle nor does it affect the

LCD backlight.

Audio Input Jack

Accommodates most lavaliere and dynamic microphones, and line level

signals.

Modulation LEDs

Provides a visual indication of the audio input signal level - either red or green

to indicate modulation levels.

Audio Button

Used to display the audio level setting (0 dB to 44 dB) on the LCD and used

with the Up and Down arrows to adjust the audio level input from the micro-

phone.

FREQ Button

Used to set the operating frequency and toggle the LCD between the operating

frequency in MHz and a two-digit hexadecimal frequency code.

Up/Down Arrows

Used to adjust the selected function or parameter.

Battery Compartment, Cover Plate and Opener

Used to install or remove battery/batteries.

www.lectrosonics.com 3

Operating Instructions

Power On

1) Ensure that good batteries are installed.

2) Simultaneously press and hold the AUDIO

and FREQ buttons until the Power On Boot

Sequence is initiated (3 seconds).

Power Off

1) Simultaneously press and hold the AUDIO and

FREQ buttons while observing that the word

“Off” appears in the LCD along with a counter.

2) When the counter reaches “0”, the unit turns off.

Note: If the AUDIO and FREQ buttons are

released before the end of the countdown, the unit will not turn off.

Standby Mode

From the “OFF” position, quickly press and release

both the AUDIO and FREQ buttons simultaneously

to enter and exit this mode. Allows the user to verify

or change the transmitter’s operating frequency or

audio input level without transmitting any signals.

Selecting the Compatibility Mode and Power

SM Series transmitters will work with all Digital

Hybrid Wireless®receivers in the native, compand-

orless mode. They are also capable of working with

200 Series, 100 Series and IFB analog receivers,

plus some other brands of analog wireless receiv-

ers (contact the factory for details).

Note: RF transmission is prevented while selecting Compatibility

Modes. Also, the SM exits the Compatibility Mode screen to Standby

Mode. (See Standby Mode, this section.)

Note: The unit comes from the factory conﬁgured as a 400 Series

transmitter.

1) Set the receiver’s audio controls to minimum.

2) Power up the SM unit and observe the Boot Sequence. If the Compat-

ibility Mode for the SM unit does not match the corresponding receiver,

then power off the SM transmitter.

3) From a power off condition, press and hold the Up arrow, then press the

AUDIO and FREQ buttons simultaneously.

4) The LCD will display the current Compatibility Mode. Use the Up or

Down arrow buttons to set the Compatibility Mode to match the corre-

sponding receiver.

Initial Power On

Timer Screen

Initial Power Off

Timer Screen

Standby Screen

400 Series or Digital

Hybrid Wireless™

Compatibility Mode

LECTROSONICS, INC.4

The following Compatibility Modes are selectable:

• 100 Series mode: CP 100

• 200 Series mode: CP 200

• Mode 3 (Contact factory for details): CP 3

• 400 Series mode: CP 400

• IFB Series mode: CP IFB

• Mode 6 (Contact factory for details): CP 6

5) The Compatibility Mode selected in Step 4 will be the current Compat-

ibility Mode until reset using this procedure. Pressing AUDIO or FREQ

exits into the Standby Mode. To power off from the compatibility mode

screen, press AUDIO and FREQ together.

6) Press either AUDIO or FREQ button to select

power setting screen and use the UP and

DOWN arrows for your desired level of power

(50, 100 or 250 mW).

Setting Transmitter Operating Frequency

The Operating Frequency of the SM is displayed

either in MHz or as a two-digit hexadecimal num-

ber. Pressing the FREQ button toggles between

the two display modes. The frequency can be set

with the unit in Standby Mode or while powered up

for normal operation.

Note:You must ﬁrst ﬁnd a clear frequency

with the receiver, then set the transmitter to

match.

To change the Operating Frequency of the SM

Series transmitter:

1) Press the FREQ button to enter this screen.

Note: The default display is in MHz. Pressing the FREQ button again

displays the operating frequency as a two-digit hexadecimal number.

2) While holding the FREQ button, use the Up or Down arrow buttons to

move the operating frequency up or down in 100 kHz increments from the

current setting. Holding the Up or Down arrows will cause rapid scrolling

through the frequencies.

Note: The operating frequency displayed on the LCD wraps as it

reaches the upper or lower end of its range.

Adjusting the Low Frequency Roll-off

Repeatedly press the AUDIO button until the LF

roll-off adjustment screen appears. Then press and

hold the AUDIO button while selecting the desired

roll-off frequency with the UP and DOWN arrows.

The roll-off frequency can be set to 35, 50, 70, 100, 120 and 150 Hz.

Frequency displayed as

two-digit hexadecimal

number

Frequency displayed

in MHz

www.lectrosonics.com 5

LCD Backlight Settings

The LCD backlight can be set to turn off after either 5 minutes or 30 seconds

or stay on continuously. Hold the UP arrow in while powering up the unit to

enter the setup screen. Press the AUDIO button repeatedly to step through

the setup items to reach the backlight settings screen. Use the UP or DOWN

arrow button to select the desired setting.

Adjusting Gain for Microphone and User

The -20 and -10 LEDs indicate the audio

signal level and limiter activity. Once set,

the transmitter’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 microphone’s position.

The audio input level can be set with the unit in

Standby Mode or powered up for normal operation.

Note: If several different people will be using the transmitter and there

is not time to make the adjustment for each individual, adjust it for the

loudest voice.

1) Attach the microphone and turn on the transmitter.

2) Position the microphone in the location where it will be used in actual

operation.

3) Observe the audio level LEDs while speaking or singing into the micro-

phone at the same voice level that will be used during use. While holding

the AUDIO button, press the Up or Down arrow buttons until the both the

-20 and -10 LEDs glow green, with the -20 LED occasionally ﬂickering

red (+0 dB to +10 dB range during peaks).

Note: Setting the audio level too high reduces the dynamic range of the

audio signal. Setting the audio level too low may cause hiss and noise

in the audio.

Locking or Unlocking the Control Panel

The Lock mode disables the buttons to prevent

accidental changes to the settings. After the setup

is complete, press and hold the UP and DOWN ar-

rows and observe the countdown timer on the LCD.

When the timer reaches zero, “Loc” is displayed

and the controls are locked.

Important: The only ways to unlock a locked

transmitter are to remove the battery or unlock it via the remote

control. The remote control function must be enable. The unit will

always power up in “unlocked” mode.

Signal Level -20 LED -10 LED

Less than -20 dB Off Off

-20 dB to -10 dB Green Off

-10 dB to +0 dB Green Green

+0 dB to +10 dB Red Green

Greater than +10 dB Red Red

LECTROSONICS, INC.6

Do Not

Cover

Gore-

Tex®

vent

Battery Installation

We recommend using lithium or high-capacity

rechargeable batteries for longest life.

Note: Standard zinc-carbon batteries marked

“heavy-duty” or “long-lasting” are not adequate.

The battery status circuitry is designed for the volt-

age drop over the life of lithium batteries.

To install new batteries:

1) Turn the Battery Retaining Screw counter

clockwise and rotate the cover plate to open the compart-

ment.

2) Insert the new battery (or batteries) into the housing,

positive (+) terminal ﬁrst.

Important: On dual-battery transmitters, BOTH batteries go positive

(+) terminal ﬁrst.

3) Replace the Cover Plate and tighten the Retaining Screw.

Conﬁguring for Remote Control Use

Some transmitter settings can be changed with the

Lectrosonics RM Remote Control. However, you

must ﬁrst conﬁgure the SM Series transmitter to

accept commands from the RM:

1) Press and hold the Down Arrow Button then

power on the transmitter by pressing the

Audio and Freq buttons simultaneously.

2) The LCD will display the status, either “rc ON” or “rc OFF.” To change the

setting, press the Up or Down arrow button.

3)Power Off the transmitter by pressing the Audio and Freq buttons simul-

taneously. The RC setting will persist when you Power Up the transmit-

ter again.

Note: SM Series transmitters with ﬁrmware version 1.6 and later are

factory set to “rc ON” by default.

Conﬁguring for Power Restore (SMV & SMQV ONLY)

When using external power source through a

battery eliminator, Power Restore will return your

transmitter to the settings it had before it was

powered off. This eliminates the need to power on

through the unit itself.

1) Press and hold the Down Arrow Button then

power on the transmitter by pressing the

Audio and Freq buttons simultaneously.

2) The LCD will display the status, either “rc ON” or “rc OFF.” Press “AU-

DIO” or “FREQ” key to scroll to the “PbAc 0” setting and use arrow keys

to turn to “PbAc 1” for on.

3)When power is restored the unit will turn on with previous settings.

Power Restore Screens

Remote Control Screens

www.lectrosonics.com 7

Using the Silver Paste

Threads provide

electrical contact

Silver paste is applied to thumbscrew threads on

new units at the factory to improve the electrical

connection from the battery compartment through

the housing on any SM Series transmitter. This

applies to the standard battery door and the

battery eliminator.

The small enclosed vial con-

tains a tiny amount (25 mg) of

silver conductive paste. A small

speck of this paste will improve

the conductivity between the thumbscrew and the case.

With improved conductivity (lower resistance) more of the

battery voltage can get to the internal power supplies caus-

ing reduced current drain and longer battery life. Though the amount seems

very small, it is enough for years of use. It is, in fact, 25 times the amount that

we use on the thumbscrews at the factory.

To apply the silver paste, ﬁrst completely remove the cover plate from the SM

housing by backing the thumbscrew completely out of the case. Use a clean,

soft cloth to clean the threads of the thumbscrew.

NOTE: Do NOT use alcohol or a liquid cleaner.

Simply hold the cloth around the threads and turn the thumbscrew. Move to

a new spot on the cloth and do it again. Do this until the cloth remains clean.

Now, clean the threads in the case by using a dry cotton swab (Q-tip) or

equivalent. Again, clean the case threads until a fresh cotton swab comes

away clean.

Open the vial, and transfer a pinhead speck of silver paste to the second

thread from the end of the thumbscrew. A easy way to pickup a speck of paste

is to partially unfold a paper clip and use the end of the wire to acquire a tiny

bit of paste. A toothpick will also work. An amount that covers the end of the

wire is sufﬁcient.

It is not necessary to spread the paste more than a little bit on the thread as

the paste will spread itself every time the thumbscrew is screwed in and out of

the case during battery changes.

Do not apply the paste to any other surfaces. The cover plate itself can be

cleaned with a clean cloth by rubbing the

slightly raised rings on the plate where it

contacts the battery terminal. All you want to

do is to remove any oils or dirt on the rings.

Do not abrade these surfaces with a harsh

material such as a pencil eraser, emery pa-

per, etc., as this will remove the conductive

nickel plating and expose the underlying alu-

minum, which is a poor contact conductor.

Apply paste to second thread

from end of thumbscrew

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