Lectrosonics D4 User manual

D4
Digital Wireless System
INSTRUCTION MANUAL
Rio Rancho, NM, USA
www.lectrosonics.com
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D4T/D4R
LECTROSONICS, INC.
2

4-channel Digital Wireless System
Rio Rancho, NM, USA 3
Introduction
The D4 digital 4-channel wireless system was de-
signed as a special purpose system for location pro-
duction in film and television.
A typical application for this system is in television
production as part of what is commonly called a “bag
system.” A portable mixer and several wireless mi-
crophone receivers are carried in an over-shoulder
carrying case. The D4T transmitter is connected to the
outputs of the mixer to transmit up to four audio chan-
nels to one or more D4R receivers mounted on video
cameras.
The system is designed for line level analog audio sig-
nals and AES/EBU digital audio signals and can be set
up as a 2-channel or 4-channel system with options
that provide:
 • Digitalin/Digitalout
 • Digitalin/Analogout
 • Analogin/Digitalout
 • Analogin/Analogout
In the 4-channel mode, the D4 system operates on
one of four 4 MHz channels in the 902 to 928 MHz
band. Each channel carries four separate audio
signals, digitally multiplexed on a common carrier. D4
systems can be run simultaneously on all four chan-
nels across the 902 to 928 MHz band to provide a total
of 16 channels.
907.776 912.384 916.992 923.904
902 to 928 MHz Band
Center frequencies of the RF channels
The audio quality is suitable for any professional ap-
plication in film, television and live sound. 48 kHz/24-
bit audio, ruler-flat 20-20000 Hz frequency response,
ultra-low distortion and high dynamic range assure
excellent audio reproduction.
The LCD interface makes setup simple and straight-
forward. Any external power source in the 9 to 16 Volt
range may be used.
Housings and panels are machined aluminum with
electrostatic powder coated and anodized finishes and
laser etched marking for durability.
Table of Contents
General Technical Description ............................................. 4
D4T Transmitter.................................................................... 4
D4R Receiver....................................................................... 5
Front and Rear Panels........................................................... 6
D4T Transmitter.................................................................... 6
D4R Receiver....................................................................... 6
Navigating the LCD ............................................................... 7
Transmitter General Settings ............................................... 8
Transmitter Audio Trim Setup............................................... 9
Receiver General Settings.................................................. 10
Receiver Audio Level Setup ............................................... 11
Transmitter Input Modes..................................................... 12
Receiver Output Modes ...................................................... 12
Mixed Modes ........................................................................ 12
Antenna Placement and Orientation.................................. 13
Frequency Selection ........................................................... 13
Parts and Accessories ........................................................ 14
Specifications ...................................................................... 16
Service and Repair .............................................................. 18
Returning Units for Repair ................................................. 18

D4T/D4R
LECTROSONICS, INC.
4
General Technical Description
D4T Transmitter
The transmitter can accept up to four inputs from digi-
tal or analog sources. The inputs can be configured as
follows:
• Fourbalancedanaloginputsusingallfourjacks
• Twodigitalchannelsusingjack1andtwobal-
ancedanaloginputsusingjacks3and4
• Fourdigitalchannelsusingjacks1and2
TheinputconnectorsareTA3“miniXLR”typeswith
the same pin numbering and configuration as standard
XLRconnectorsforAES-EBUandbalancedlinelevel
analog signals.
Input preamp circuits use a special balanced amplifier
withveryhighcommonmoderejectiontominimize
hum and noise.
Either analog or AES/EBU digital input signals are
converted to an internal 24-bit digital format which is
then encoded, organized into packets, and passed to
an RF modulator using spread spectrum techniques
and error correction for robust reception. The modu-
lated RF signal is filtered before and after amplification
to suppress out-of-band noise and spurious signals,
and a circulator/isolator guards against intermodulation
interference (IM).
A USB port is provided for firmware updates.
POWER
AMP
OSC
900 MHz
RF
MOD
DIGITAL
BASEBAND
ENCODER
24-bit D/A
(analog)
AES/EBU
OUT
(digital)
24-bit D/A
(analog)
AES/EBU
OUT
(digital)
24-bit D/A
(analog)
24-bit D/A
(analog)
TA3M
INPUTS
CIRCULATOR
ISOLATOR
FILTER
1
2
3
4

4-channel Digital Wireless System
Rio Rancho, NM, USA 5
D4R Receiver
The receiver employs two complete RF sections for
true diversity reception. The signals from both anten-
nas are independently decoded and error-corrected,
and the diversity system uses all digital data and tim-
ing reference information from both antennas in order
to reconstruct the original audio signals. Audio outputs
may be configured for analog balanced or AES/EBU
digital signals.
FILTER
FILTER
LOW
NOISE
AMP
LOW
NOISE
AMP
OSC
900 MHz
RF
DEMOD
RF
DEMOD
DIGITAL
BASEBAND
DECODER
and
DIVERSITY
SYSTEM
24-bit D/A
(analog)
AES/EBU
OUT
(digital)
24-bit D/A
(analog)
AES/EBU
OUT
(digital)
24-bit D/A
(analog)
24-bit D/A
(analog)
TA3M
OUTPUTS
1
2
3
4

D4T/D4R
LECTROSONICS, INC.
6
Front and Rear Panels
On both the D4T and the D4R, the front panel interface
contains a power switch, an LCD display and eight
pushbuttons.TheD4Thasoneantennajackandthe
D4Rhastwo.TheD4Rfrontpanelalsocontainsajack
for headphones.
When the units are powered on, after an initial intro-
ductory splash screen, the Main Window is displayed,
and it remains on the LCD, except during setup. The
Main Window shows four audio level meters, one for
each channel. (In two channel mode, only two meters
are shown.) Each audio meter bargraph grows slightly
wider at the very top to warn of possible clipping. The
D4R’s Main Window also includes an RF level meter, a
headphone volume control, and a headphone channel
selector.
Button functions are context-sensitive, but as shown
in the illustrations, the FUNC and BACK buttons may
be used to enter and leave various menus and setup
screens. No other buttons are active in the D4T’s Main
Window -- they are only used for setting up the D4T.
In the D4R’s Main Window, the UP and DOWN arrow
keysadjusttheheadphonevolume.Afadericonnext
to the buttons shows the current position of the control.
D4T Transmitter
FUNC
BACK
OFF ON
1234
DIGITAL 4 CHANNEL TRANSMITTER
Channel Select
Menu Item &
Parameter Select
Return to
Previous
Context
Press to Enter
Setup Menus
Audio
Level
USB
CH1 CH2 CH3 CH4
2/4 CHANNEL DIGITAL TRANSMITTER
AES IN
CH1/CH2
AES IN
CH3/CH4
9-16 VDC
500mA
The channel select buttons choose a channel for
headphonemonitoring,orbuttons1and2,or3and
4 may be pressed simultaneously to monitor a stereo
pair. Headphone icons above the buttons indicate the
current headphone monitoring selection.
The rear panels provide the audio inputs and outputs,
power receptacle and USB port. Channels 1 and 2
provide balanced analog signals and AES-EBU digital
signals as selected from the LCD setup screens.
Channels3and4arebalancedanalogaudioonly.The
connectorsarestandardTA3Mtype.
Ontherearpanelarethefouraudiojacks,thepower
receptacle and the USB port (for firmware updates).
Jacks 1 and 2 may be used for either analog or AES/
EBUdigitalsignals.Jacks3and4areforanalog
signals only. Please see the Transmitter Input Modes
section (later in this manual) for more information on
variousaudiojackcongurations.
The units are powered with an external source of 9
to 16 VDC, with power consumption of 500 mA at 10
volts for the transmitter and 250 mA at 10 volts for the
receiver.
D4R Receiver
FUNC
BACK
OFF ON
1234
PHONES
DIGITAL 4 CHANNEL RECEIVER
Buttons 1 through 4 select
channel to be monitored
Press to Enter
Setup Menus
Return to
Previous
Context
Channel selected for headphone
monitoring – individual or 1-2 (pair) or
3-4 (pair) for stereo monitoring
Incoming
RF level
Menu Item &
Parameter Select
Audio
Level
USB
CH1 CH2 CH3 CH4
2/4 CHANNEL DIGITAL RECEIVER
AES OUT
CH1/CH2
AES OUT
CH3/CH4
9-16 VDC
250mA
The Main Window
will indicate
possible clipping
on the bar graph
on both units.

4-channel Digital Wireless System
Rio Rancho, NM, USA 7
Navigating the LCD
Navigation through setup screens is the same on the
transmitter and receiver. The Main Window will display
audio levels for all active channels while the system is
operating.
Press the FUNC button to enter the setup menu.
FUNC
BACK
OFF ON
1234
DIGITAL 4 CHANNEL TRANSMITTER
Then press the UP and DOWN arrow buttons to select
a menu item.
FUNC
BACK
OFF ON
1234
DIGITAL 4 CHANNEL TRANSMITTER
Press the FUNC button to enter the setup screen for
the selected item. Then use the UP and DOWN arrow
buttons to select a value or mode.
FUNC
BACK
OFF ON
1234
DIGITAL 4 CHANNEL TRANSMITTER
BACK
button
FUNC
(function)
button
CHANNEL SELECT
buttons
Press BACK once to return to the Menu or twice to
return to the Main Window.
Note: In setup screens where individual channel
selections are made, press the CHANNEL
SELECT button under the desired channel, then
usetheUPandDOWNarrowstoadjustthe
setting or value.

D4T/D4R
LECTROSONICS, INC.
8
Transmitter
General Settings
Tuning Menu
Use UP/DOWN
arrows to select
menu item and
press FUNC to
enter setup
Use UP/DOWN
arrows to select
channel, then
press FUNC to
return to menu
Audio Trim
Use UP/DOWN
arrows to select
menu item and
press FUNC to
enter setup
NOTE: The setup screen will be different
dependingupontheAES3Modeselection.See
the next page for details.
AES3 Modes
Use UP/DOWN
arrows to select
menu item and
press FUNC to
enter setup
Use UP/DOWN
buttons to select
desired mode
2/4 Channel Modes
Use UP/DOWN
arrows to select
menu item and
press FUNC to
enter setup
Use UP/DOWN
buttons to select
desired mode
Locked/Unlocked Modes
The front panel controls can be locked to prevent
inadvertent changes in the selected settings. When
the panel is locked, settings can be viewed but not
changed.
Use UP/DOWN
arrows to select
menu item and
press FUNC to
enter setup
Use UP/DOWN
buttons to select
desired mode

4-channel Digital Wireless System
Rio Rancho, NM, USA 9
Transmitter
Audio Trim Setup
From the Main Window, press FUNC and then select
the menu item “Audio Trim” and press FUNC again.
The setup screen will vary slightly depending upon
whichAES3modehasbeenselectedandwhether
the 2-channel or 4-channel mode is selected. In the
2-channelmode,channels3and4willbeblank.
Use UP/DOWN
arrows to select
menu item and
press FUNC to
enter setup
1 2 34
In this example, the transmitter is
configured for four analog channels. Select
each channel with the button below it and
use the UP and DOWN arrow buttons to
set the desired level.
The bar graph
will indicate
possible
clipping
1 2 34
When the transmitter is configured for two
digital and two analog inputs, press the
button under the analog channel to be
adjusted and then use the UP and DOWN
buttons to set the desired level.
The audio trim adjustment only applies
to analog inputs. When the transmitter
is configured for four digital channels
using the two AES/EBU inputs, no trim
adjustment is needed.
The analog inputs are designed for line level signals.
There is no gain stage in the input section. Attenua-
tion up to 20 dB can be applied to the input signal to
reduce very high level signals to the optimal range.
When the audio trim control is set to +0, input clip level
is +0dBu. When the audio trim control is set to -20,
20 dB of attenuation will be applied, thus moving the
input clip level to +20dBu. These are the extremes, and
levels in between follow the same logic.
The digital inputs can accept any standard AES/EBU
signalwithouttheneedforleveladjustment.Digital
audio levels are accepted and transmitted without
alteration.

D4T/D4R
LECTROSONICS, INC.
10
Receiver
General Settings
Tuning Selection
Use UP/DOWN
arrows to select
menu item and
press FUNC to
enter setup
Use UP/DOWN
arrows to select
channel, then
press FUNC to
return to menu
Audio Level
Use UP/DOWN
arrows to select
menu item and
press FUNC to
enter setup
NOTE: The setup screens for audio level will
bedifferentdependingupontheAES3Mode
selected. See the next page for details.
Calibration Tone
A steady tone at the maximum level before clipping
can be turned on at each analog output to allow ac-
curateinputleveladjustmentoftheattachedmixer,
recorder or other connected equipment.
Thelevelofthetoneisadjustablefrom-20to+8dBu
in 1 dB steps. The audio level and calibration tone lev-
els track each other. When a level is selected on one, it
will also be applied to the other.
The Calib. Tone menu item accesses a setup screen
which looks and operates the same way as the audio
level setup screen. The difference is that a 1 kHz tone
is produced at the output for the currently selected
(highlighted) channel only, at the level shown.
Use UP/DOWN
arrows to select
menu item and
press FUNC to
enter setup
1 2 34
Press the button under the analog channel
to be adjusted and then use the UP and
DOWN buttons to set the desired level.
AES3 Modes
Use UP/DOWN
arrows to select
menu item and
press FUNC to
enter setup
Use UP/DOWN
buttons to select
desired mode
2/4 Channel Modes
Use UP/DOWN
arrows to select
menu item and
press FUNC to
enter setup
Use UP/DOWN
buttons to select
desired mode

4-channel Digital Wireless System
Rio Rancho, NM, USA 11
Receiver
Audio Level Setup
From the Main Window, press FUNC and then select
the menu item Audio Lev. and press FUNC again.
The setup screen will vary slightly depending upon
whichAES3modehasbeenselectedandwhether
the 2-channel or 4-channel mode is selected. In the
2-channelmode,channels3and4willbeblank.
Use UP/DOWN
arrows to select
menu item and
press FUNC to
enter setup
1 2 34
When the receiver is configured for four
analog outputs, press the button under the
channel to be adjusted and then use the
UP and DOWN buttons to set the desired
level.
NOTE: The value shown in the setup screen is
the analog output level in dBu at the maximum
level before clipping.
1 2 34
When configured for two digital and two
analog inputs, press the button under the
analog channel to be adjusted and then
use the UP and DOWN buttons to set the
desired level.
The audio level adjustment only applies
to analog outputs. When the receiver
is configured for four digital channels
using the two AES/EBU outputs, no level
adjustment is needed.
Locked/Unlocked Modes
The front panel controls can be locked to prevent
inadvertent changes in the selected settings. When
the panel is Locked, settings can be viewed but not
changed, with the exception of headphone selection
and monitoring level controls.
Use UP/DOWN
arrows to select
menu item and
press FUNC to
enter setup
Use UP/DOWN
buttons to select
desired mode

D4T/D4R
LECTROSONICS, INC.
12
Transmitter Input Modes
The transmitter can be set up in three different con-
gurationswiththeAES3modesmenufor4-channel
operation:
ANALOG
ANALOG
ANALOG
ANALOG
DIGITAL
DIGITAL
ANALOG
ANALOG
NOT USED
CH 1
DIGITAL
DIGITAL
NOT USED
NOT USED
CH 2
DIGITAL
DIGITAL
CH 3
CH 4
CH 1
CH 2
CH 3
CH 4
CH 1
CH 2
CH 3
CH 4
Two different configurations are available for 2-channel
operation:
ANALOG
ANALOG
DIGITAL
DIGITAL
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
CH 1
CH 2
CH 3
CH 4
CH 1
CH 2
CH 3
CH 4
Receiver Output Modes
The receiver audio outputs can be configured in the
same manner as the transmitter for 4-channel opera-
tion:
ANALOG
ANALOG
ANALOG
ANALOG
DIGITAL
DIGITAL
ANALOG
ANALOG
NOT USED
DIGITAL
DIGITAL
NOT USED
NOT USED
DIGITAL
DIGITAL
CH 1
CH 2
CH 3
CH 4
CH 1
CH 2
CH 3
CH 4
CH 1
CH 2
CH 3
CH 4
Two different configurations are available for 2-channel
operation:
DIGITAL
DIGITAL
NOT USED
NOT USED
NOT USED
ANALOG
ANALOG
NOT USED
NOT USED
CH 1
CH 2
CH 3
CH 4
CH 1
CH 2
CH 3
CH 4
Mixed Modes
TheselectedAES3modesonthetransmitterandre-
ceiver do not have to be identical. For example, analog
signals can be fed into the transmitter from a mixer or
wireless mic receivers, transmitted to the D4R receiver,
which can be configured for four digital outputs to feed
a digital recorder.
The sampling rate of the audio at the receiver digital
outputs will always be 48 kHz, regardless of the sam-
pling rate of the signal fed into the transmitter.
NOTE: Transmitter and receiver must both be set
to either the 2-channel or 4-channel mode.

4-channel Digital Wireless System
Rio Rancho, NM, USA 13
Antenna Placement and
Orientation
The supplied antenna is a center fed half-wave type
with a right angle elbow and rotating mount. For most
applications, the whip antennas should be vertically
oriented to provide a circular coverage pattern. In other
orientations, the transmitter antenna should be paral-
lel with and not directly above or below the receiver
antennas.
FUNC
BACK
12
34
DIGITAL 4 CHANNEL TRANSMITTER
OFF ON
D4T Transmitter
FUNC
BACK
OFFON
1234
PHONES
DIGITAL 4 CHANNEL RECEIVER
D4R Receiver
Frequency Selection
It is best to check for interference before selecting a
channel. Turn the receiver on and leave the transmitter
off. Observe the RF level indicator in the Main Window
to see if signal is present.
Weak RF level
Strong RF level
If a signal is indicated, navigate to the tuning setup
screen and select a different frequency. Then return to
the Main Window and check for the presence of an RF
signal again. Proceed in this manner to find a frequen-
cy where no RF signal is present, or to the frequency
indicating the weakest signal present.
With multiple systems operating in the same location,
select a different frequency for each system.
Walk test each system through the area where it will
be operating and listen for dropouts while observing
the RF level indicator on the receiver LCD. It is best to
have all equipment in the location turned on and con-
nected to check for interference that might be gener-
ated by other devices.
If the RF level on the receiver LCD indicates a weak
overall level, try re-positioning the antennas. Re-ori-
enting the antennas or moving them even a few inches
away from nearby surfaces can also make a difference.
If dropouts are experienced during the walk test, but
the RF level at the receiver remains strong, there could
be interference on that frequency band. Switch the
system to another frequency and walk test the system
again to check for adequate operating range.

D4T/D4R
LECTROSONICS, INC.
14
Parts and Accessories
Transmitter Power Supples
• LectrosonicsDCR15/1A6U
Switchingpowersupplywith60320universal
socket on housing and locking plug; 90-240 VAC,
50/60 Hz input; 15 VDC, 1.6 A max. output (regu-
lated), 18 W. (Includes 21499 AC power cord)
• LectrosonicsPS70
Switchingpowersupplywith60320universalsock-
et on housing and non-locking plug; 100-240 VAC,
50/60Hz,1.6A(max)input;13.8VDC,2.8A,40W
(max) output. (Includes 21499 AC power cord)
Receiver Power Supplies
• LectrosonicsCH20
Transformer power supply with a locking power
output plug and 2-pin AC input plug; 115 VAC
input, 12V DC regulated output; 500 mA max.
Not for use with
D4T transmitter
• LectrosonicsDCR15/1A6U
Switchingpowersupplywith60320universal
socket on housing,; 90-240 VAC, 50/60 Hz input;
15 VDC, 1.6 A max. output (regulated), 18 W. (In-
cludes 21499 AC power cord)
• LectrosonicsPS70
Switchingpowersupplywith60320universal
socket on housing, 100-240 VAC, 50/60 Hz, 1.6 A
(max)input;13.8VDC,2.8A,40W(max)output.
(Includes 21499 AC power cord)
AC Power Cord
• Lectrosonics21499PowerCord.NEMA5-15plug
(USA);forusewithPS70andDCR15/1A6U

4-channel Digital Wireless System
Rio Rancho, NM, USA 15
Power Adapter Cables
• Lectrosonics21747rightangle,lockingplugwith6
ft. cable to stripped and tinned leads. Supplied with
the transmitter and receiver.
Supplied with the
transmitter and
receiver
• 21746rightangle,lockingplugwith12inchcableto
stripped and tinned leads.
• Lectrosonics21586straight,lockingplugwith6ft.
cable to stripped and tinned leads.
• Lectrosonics21425straight,non-lockingplugwith6
ft. cable to stripped and tinned leads.
• Lectrosonics21472rightangle,non-lockingplug
with 6 ft. cable to stripped and tinned leads.
Antenna
• Lectrosonics21422centerfed,halfwaveanten-
na. Supplied with transmitter and receiver.
Supplied with the
transmitter and
receiver

D4T/D4R
LECTROSONICS, INC.
16
Specifications
Overall System
Operating Spectrum: 902 - 928 MHz
Center frequencies (MHz): 907.776, 912.387, 916.992, 923.904
Four systems can operate simultaneously for a
total of 16 audio channels.
Modulation Type: Differential QPSK with Forward Error Correction,
spread spectrum
Occupied Bandwidth: 4 MHz (4-channel mode), 2 MHz (2-channel mode)
Audio Sampling: 48 kHz, 24-bit
Latency (overall system):
Digital In/Digital Out: Less than 1 mS
Analog In/Analog Out: 2.2 mS
Selectable Audio Channels: • 4 digital
• 2 digital, 2 analog
• 4 analog
Audio Performance (overall system):
Frequency Response: 20 Hz - 20 kHz, +/– 0.5 dB
THD+N: < 0.05% (1 kHz @ –10 dBFS)
Dynamic Range: > 104 dB A-weighted
Adjacent Channel Isolation: > 93 dB
D4T Transmitter
Power output: 200 mW
Audio Input: Simulated transformer balanced inputs,
clip level adjustable +0 to +20 dBu
(or AES/EBU digital standard)
Power requirements: 9 - 16 VDC
Power consumption: 500 mA
Dime nsions: 4 x 4 x 1.5 inches
Weight: 339 grams; 12 ounces
D4R Receiver
D4R Receiver
Diversity Type: Dual receivers with artifact-free digital combining
Audio Output: Electronically balanced outputs,
clip level adjustable –20 to +8 dBu
(or AES/EBU digital standard)
Power requirements: 9 - 16 VDC
Power consumption: 250 mA
Dimensions: 4 x 4 x 1.5 inches
Weight: 346 grams; 12.2 ozs.

4-channel Digital Wireless System
Rio Rancho, NM, USA 17
Industry Canada Notices:
Operationofthisdeviceissubjecttothefollowingtwo
conditions: (1) this device may not cause interference,
and (2) this device must accept interference, including
interference that may cause undesired operation of the
device.
This device has been designed to operate with the
antenna listed below, and having a maximum gain of 6
dB. Antennas not included in this list or having a gain
greater than 6 dB are strictly prohibited for use with
this device. The required antenna impedance is 50
ohms.
Lectrosonics P/N 21422 center fed half wave antenna
Also available as:
Linx Technologies model: ANT-916-CW-HWR-RPS
To reduce potential radio interference to other users,
the antenna type and its gain should be so chosen that
the equivalent isotropically radiated power (e.i.r.p.) is
not more than that permitted for successful communi-
cation
FCC Notice
NOTE: This equipment has been tested and found
to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against
harmful interference in a residential installation. The
equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. However, there
is no guarantee that interference will not occur in a
particular installation. If this equipment does cause
harmful interference to radio or television reception,
which can be determined by turning the equipment
off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
• Reorientorrelocatethereceivingantenna
• Increasetheseparationbetweentheequipment
and receiver
• Connecttheequipmentintoanoutletonacircuit
different from that which the receiver is connected
• Consultthedealeroranexperiencedradio/TV
technician for help
Changes or modifications to this equipment not ex-
pressly approved by Lectrosonics, Inc. could void the
user’s authority to operate it.

D4T/D4R
LECTROSONICS, INC.
18
Service and Repair
If your system malfunctions, you should attempt to correct or isolate the trouble before concluding that the equip-
ment needs repair. Make sure you have followed the setup procedure and operating instructions. Check the inter-
connecting cables and then go through the Troubleshooting section in this manual.
We strongly recommend that you do not try to repair the equipment yourself and do not have the local repair shop
attempt anything other than the simplest repair. If the repair is more complicated than a broken wire or loose con-
nection,sendtheunittothefactoryforrepairandservice.Don’tattempttoadjustanycontrolsinsidetheunits.
Once set at the factory, the various controls and trimmers do not drift with age or vibration and never require read-
justment.There are no adjustments inside that will make a malfunctioning unit start working.
Lectrosonics’ Service Department is equipped and staffed to quickly repair your equipment. In warranty repairs are
made at no charge in accordance with the terms of the warranty. Out-of-warranty repairs are charged at a mod-
est flat rate plus parts and shipping. Since it takes almost as much time and effort to determine what is wrong as it
does to make the repair, there is a charge for an exact quotation. We will be happy to quote approximate charges by
phone for out-of-warranty repairs.
Returning Units 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 you a return authorization number (R.A.). This number will help
speed your repair through our receiving and repair departments. The return authorization number must be
clearly shown on the outside of the shipping container.
C. Pack the equipment carefully and ship to us, shipping costs prepaid. If necessary, we can provide you with the
proper packing materials. UPS is usually the best way to ship the units. Heavy units should be “double-boxed”
for safe transport.
D. We also strongly recommend that you insure the equipment, since we cannot be responsible for loss of or dam-
age to equipment that you ship. Of course, we insure the equipment when we ship it back to you.
Lectrosonics USA:
Mailing address: Shipping address: Telephone:
Lectrosonics, Inc. Lectrosonics, Inc. [phone]
PO Box 15900 581 Laser Rd. [phone] Toll-free
RioRancho,NM87174 RioRancho,NM87124 (505)892-6243Fax
USA USA
Web: E-mail:
www.lectrosonics.com [e-mail]
Lectrosonics Canada:
Mailing Address: Telephone: E-mail:
49 Spadina Avenue, [phone] Sales: [email protected]
Suite303A   (877)753-2876Toll-free Service:[email protected]
Toronto,OntarioM5V2J1 (877-7LECTRO)
[phone] Fax

26 May 2009
581 Laser Road NE • Rio Rancho, NM 87124 USA • www.lectrosonics.com
[phone] • [phone] • fax [phone] • [email protected]
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 from an authorized dealer. This
warranty does not cover equipment which has been abused or damaged by careless
handling or shipping. This warranty does not apply to used or demonstrator equipment.
Should any defect develop, Lectrosonics, Inc. will, at our option, repair or replace any
defective parts without charge for either parts or labor. If Lectrosonics, Inc. cannot
correct the defect in your equipment, it will be replaced at no charge with a similar new
item. Lectrosonics, Inc. will pay for the cost of returning your equipment to you.
This warranty applies only to items returned to Lectrosonics, Inc. or an authorized
dealer, 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 INDIRECT, SPECIAL, PUNITIVE, CONSEQUENTIAL,
OR INCIDENTAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE
THIS EQUIPMENT EVEN IF LECTROSONICS, INC. HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES. IN NO EVENT SHALL THE LIABILITY OF
LECTROSONICS, INC. EXCEED THE PURCHASE PRICE OF ANY DEFECTIVE
EQUIPMENT.
This warranty gives you specific legal rights. You may have additional legal rights which
vary from state to state.