HTD Lync Series User manual

Lync
Owner’s Manual
Toll free: 866-HTD-AUDIO (483-2834)
www.htd.com
[email protected]
© Copyright Home Theater Direct, Inc.
V.12.17.2019

2
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
The lightning ash with arrowhead symbol, within an equilateral triangle, is intended to alert the user to the
presence of un-insulated dangerous voltage within the product’s enclosure that may be of sufcient magnitude to
constitute a risk of electrical shock to persons.
The exclamation point within an equilateral triangle is intended to alert the user to the presence of important
operating and maintenance (servicing) instructions in the literature accompanying this appliance.
Read Instructions
All the safety and operating instructions should be read before the
appliance is operated.
Retain Instructions
The safety and operating instructions should be kept for future refer-
ence.
Heed Warnings
All of the warnings on the appliance and in the operating instructions
should be adhered to.
Follow Instructions
All operating and use instructions should be followed.
Water and Moisture
The appliance should not be used near water. For example, near a
bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or
near a swimming pool, etc.
Ventilation
The appliance should be situated so that its location or position does
not interfere with its proper ventilation. For example, the appliance
should not be situated on a bed, sofa, rug, or similar surface that
may block the ventilation openings. Never place the appliance in a
conned space such as a bookcase, or built-in cabinet, unless proper
ventilation is provided.
Heat
The appliance should be situated away from heat sources such as
radiators, heat registers, stoves, or other appliances that produce
heat. Position the appliance at least 4” away from any heat-produc-
ing amplier, including HTD ampliers.
Power Sources
The appliance should be connected to a power supply only of the
type described in the operating instructions or as marked on the ap-
pliance.
Grounding or Polarization
Precautions should be taken so that the grounding or polarization
means of an appliance is not defeated.
Lightning
Unplug this device during lightning storms.
Power Cord Protection
Route the power cord so that it is not likely to be walked on or
pinched by items placed upon or against them, paying particular
attention to the plugs, receptacles, and the point where the cord
exits from the appliance.
Cleaning
Unplug the appliance from the wall outlet before cleaning. Do not
use liquid cleaners or aerosol cleaners. Use a cloth lightly damp-
ened with water for cleaning the exterior of the appliance only.
Non-Use Periods
The power cord of the appliance should be unplugged from the
outlet when left unused for long periods of time.
Object and Liquid Entry
Care should be taken so that objects do not fall and liquids are
not spilled into the enclosure through openings.
Damage Requiring Service
The appliance should be serviced by qualied personnel when:
a) the power supply cord or the plug has been damaged
b) objects have fallen, or liquid spilled into the appliance
c) the appliance has been exposed to rain
d) the appliance does not appear to operate normally or exhib-
its a marked change in performance or
e) the appliance has been dropped, or the enclosure damaged
Servicing
The user should not attempt to service the appliance beyond that
described in the operating instructions. All other servicing should
be referred to qualied service personnel.
Product Servicing
If your system fails to operate properly, please contact HTD
directly for further assistance at 1-866-483-2834.
Additional information, including detailed specications for each
model, can be found on our website, www.htd.com. Thanks
again for choosing Home Theater Direct!
Warranty
All HTD electronics include a free two-year parts and labor warranty. Warranty registration occurred automatically
at the time your order was placed. There is no need to complete or mail in additional paperwork.
Warning - To reduce the risk of re or shock, do not expose this appliance to rain or moisture.
Caution - To reduce the risk of re or shock, do not remove the cover or back. No user serviceable parts inside.
Refer servicing to qualied service personnel.
Caution - To prevent electric shock, match wide blade of plug to wide slot, fully insert.
Safety instructions for the Lync

3
Index
Introduction to Lync........................................................................................................................4
Overview: Preparing Your Home With Cable................................................................................4
Quick Setup......................................................................................................................................5
Product Features.............................................................................................................................6
Wiring Your Home for Speakers......................................................................................................8
Wiring Your Home for LyncTouch and Source Inputs..................................................................9
How to Connect..............................................................................................................................11
Connecting the Lync 6 / Lync 12 to a Multi-Channel Amplier(s)......................................11
Amplier Settings....................................................................................................................13
Source Connections at the Central Location.......................................................................14
Source Input Panel Connections Spread Throughout the Home......................................14
Making use of Infrared (IR) Capability.......................................................................................15
Connecting a Gateway..............................................................................................................16
Door Interface..........................................................................................................................16
Connecting a Doorbell for System Mute..............................................................................17
Phone-to-Zone................................................................................................................................18
Installing the LyncTouch...............................................................................................................20
Using the LyncTouch.....................................................................................................................23
Addendum: Cat Cable and RJ-45 Plugs.......................................................................................28

4
Introduction to Lync
Lync provides hi-end sound from professional-grade equipment designed for easy installation and robust
control. Lync allows you to listen to whatever you connect to it in any combination of stereo audio zones
you set up within your home.
With Lync, not only can audio sources be connected at the central location where you install the Lync 6
or Lync 12 controller, but with the addition of source input panels (sold separately), you can also connect
sources throughout your home and make those sources available to the entire system.
All zones can be controlled independently and in customizable groups with our HTD Lync app. With the
app, you can also create custom Presets that execute multiple commands with a single button press.
An individual zone can also be controlled with the installation of a wall-mounted keypad controller called
LyncTouch. In addition to zone control, LyncTouch also provides a convenient connection point for a source
input panel and allows you to take advantage of the full-featured intercom.
Other systems of this caliber can only be purchased through an installer or dealer. HTD is different. Lync is
only sold direct to consumers by us, the manufacturer. Buying direct not only saves you a lot of money, but
it also gives you access to the people most knowledgeable about this system.
This owner’s manual is packed full of detail and worth perusing and diving in where applicable, but many of
our customers get up and running quickly by rst understanding how cable should be run and then following
our Quick Setup instructions on the following page.
Overview: Preparing Your Home With Cable
Just how easy is it to prepare your home for a Lync system? From a central location:
1. *Label and run 2-conductor speaker cable to each speaker
2. Label and run Cat 5, Cat 5e, or Cat 6 cable (“Cat cable”) to every location where you want to install a
LyncTouch.
3. From each LyncTouch, optionally run Cat cable to a convenient source input location (near a home
theater receiver, behind a TV, behind a night stand, above a counter, next to a desk, etc.). Source input
devices (models SIP, AIP, DIP, and BIP) are sold separately.
4. Alternate wiring for source inputs: It is possible to connect our active source input panels (models AIP,
DIP, and BIP) directly to the central Lync controller. Although this is usually less convenient than “daisy-
chaining” to a nearby LyncTouch, it is okay to run Cat cable from the central location directly to each
source input location. With the use of Cat Y-adapters (sold separately), it is also possible to connect
both a LyncTouch and one of these source input panels into the same zone at the central location.
*If your home did not divide nicely into 6 or 12 zones, you may want to create areas that we refer to as sub-
zones. Sub-zones are forced to listen to the same audio source as the main zone but require independent
volume control. For those areas, you will want to run the speaker cable rst to a location for a rotary or
slide-type volume control and then on to the speakers.

5
Quick Setup
For most installations, the following steps will get you up and running quickly. Please read the balance of this own-
er’s manual for further explanation as well as additional connection options that help you customize the system to
your particular situation.
1. Make sure the multi-channel amplier and central Lync controller (model Lync 6 or Lync 12) are powered off.
2. Install and connect LyncTouch keypads following the instructions beginning on page 21.
3. To use the HTD Lync app, follow the instructions provided with the gateway (model GW-SL1 or WGW-SL1).
4. Connect all speakers to the multi-channel amplier(s).
5. Set the switch on the multi-channel amplier to power on using Trigger and connect the trigger cable (short
mono 3.5mm patch cable) from the Trigger Out on the Lync controller to the Trigger In on the multi-channel
amplier. If an additional multi-channel amplier is used, connect the special 2.5mm to 3.5mm mono trigger
cable (included) from the rst amplier to the second.
6. Connect stereo RCA patch cables from the Variable Outputs on the Lync controller for each zone to the RCA
Line inputs on each channel of the multi-channel amplier, i.e. Zone 1 Variable Out to Ch 1 and 2 on the multi-
channel amp; Zone 2 Variable Out to Ch 3 and 4; Zone 3 Variable Out to Ch 5 and 6 . . . Zone 6 Variable Out
to Ch 11 and 12.
7. Conrm that all of the “1 2 Line” switches on the multi-channel amplier(s) are set to “Line”.
8. Connect one audio source into the Source 7 Input (Lync 6) or Source 13 Input (Lync 12) on the back of the
Lync controller and power on this source. If the audio source has a variable volume level output, turn the audio
volume all the way up.
9. Power on the Lync Controller.
10. Power on the Multi-Channel Amplier(s). It will be in “sleep” mode until a zone is powered on.
11. Make sure all gain knobs on the Multi-Channel Amplier(s) are set at the 3 o’clock position or higher. You can
later adjust these as necessary.
12. Check the front of the Lync Controller to conrm that the green signal strength indicator light is on for Source 7
(or Source 13). Note that this light intensity will vary (ash) with the strength of the audio signal connected to
the source input.
13. Use the LyncTouch connected to Zone 1 or the HTD Lync app to power on Zone 1. This will cause the multi-
channel amplier to trigger out of sleep mode. Conrm that the blue light for Zone 1 on the front of the Lync
Controller is lit.
14. Select Source 7 (Lync 6) or Source 13 (Lync 12) to begin enjoying audio in your home!
NOTE: It is best not to connect and disconnect an active device (LyncTouch, Analog Input Panel,
Digital Input Panel, Bluetooth Input Panel) while the central Lync controller is powered on. Devices
are only recognized when the Lync controller is rst powered on.

Lync 6 Controller
Model DMA-1240, DMA-1275, DMA-1240ADS
Model DMA-1240ADS ONLY
This section, found only in model DMA-1240ADS, includes inputs for voice assistant devices like the Alexa Dot. These are
used in addition to the typical amplier connections shown on pages 11-12. See the amplier owner’s manual for details.
6
Left Right
Out 2
Out 1
In 2
In 1
123
Line In
456789
10
11
12
Line In
1 2 Line
Bridged
L L+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R R
On
Auto On
3-30V
AC/DC
Trigger In
AC 120V-60Hz
Fuse: T15A/250V
Power Consumption: 1200W
12V DC
Control
Out
Trigger
1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line
Line In Line In Line In Line In
Bridged Bridged Bridged Bridged Bridged
DMA-1240
Power
Vol 1Vol 2Vol 3Vol 4Vol 5Vol 6 Vol 7Vol 8Vol 9Vol 10 Vol 11 Vol 12
Product Features
Power
123456 123456
789101112
Zone Status Source Signal Strength
AC 120V~60Hz
FUSE T2AL/250V
DOOR INTERFACE Power Consumption: 160W
ROUTED IR OUT
SOURCE INPUT
KEYPAD PORTS
78910 11
12
MP3
L
ZONE 1 PREOUT ZONE 2 PREOUT ZONE 3 PREOUT ZONE 4 PREOUT ZONE 5 PREOUT ZONE 6 PREOUT
MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO
R
LRLR
LRLR
LR LR LR LR
LRLRLR
R
L43
2
1
56 IR IN
RS232
INTERFACE
GLOBAL
IR OUT
12V/DC
TRIGGER
100mA
IN OUT
System
TRIGGER
AC/DC 3-20V
Mute
Made in Ta iwan
CAUTION
To Prevent Electric Shock,
Do Not Remove Cover. No
User-Serviceable Parts Inside,
Refer Servicing To Qualified
Service Personnel.
WARNING
To Prevent Fire Or Shock
Hazard, Do Not Expose This
Unit To Rain Or Moisture.
FIXEDVA RIABLE
IR IN
SOURCE 7
Power On/Off button
Line In - typically used with
whole house Audio zones.
Set to Left, Left + Right, or Right
only when using In 1 or In 2. Switch
position is irrelevant when “Line” is
selected.
Set to Line unless
using In 1 or In 2 On/Auto/Trigger
Trigger In - when used, amp
stays in sleep mode until a
zone is powered on.
Speaker Connections
In 1 and In 2 - typically used for whole house
audio zones only when more than 4 speakers
are required in a zone
Analog Source
Inputs
3.5mm Analog/Digital Optical Source Input
USB Flash Drive (MP3) Input
RS232 for Gateway App Control
IR Input (connect to IR receiving
eye - sold separately)
Global IR Output - Passes IR
signals via a single or dual IR
emitter regardless of Source
selected by a zone
Routed IR Outputs - Pass IR
signals via a single IR emitter
only to the Source selected
by a zone
RJ-45 input (for Cat 5/Cat 6
cable to LyncTouch)
Zone Output
Fixed / Variable
Zone Output - Mono/
Stereo Switch
Trigger Out System Mute
Trigger In
Zones 1 - 6 DI-21 Interface Input
Power Plug
Zone Status indicates when a zone is
powered on.
Source status indicates the strength
of an input signal
Included with Lync 6
(6) Shielded Stereo Patch Cable (3 feet long)
(1) 3.5mm (mono) Trigger Cable
(1) Toslink Adapter for digital source using Source 7
(1) Power Cable

Lync 12 Controller
7
LCD Touch Screen
Power Button
(also for Mute and
Power All Off)
Quick Key (customized
to your favorite setting)
Talk Button
(for intercom)
Stereo Microphones
(only active when
the Talk Button is
depressed)
5 pin connection for
Standard Input Panel
RJ-45 tips plug into
either port. Extra port
for extending cat
cable to a second
active device.
Cat cable with RJ-45 tip
LyncTouch is connected to the central Lync Controller using Cat cable with RJ-45 tips at both ends.
LyncTouch is an active device that uses power supplied over Cat cable.
LyncTouch
Power
123456789
10 11 12 13 14 15 16 17 18
123456
789101112
Zone Status Source Signal Strength
AC 120V~60Hz
FUSE T2AL/250V
Power Consumption: 180W
ROUTED IR OUT
SOURCE INPUT KEYPAD PORTS IR IN
13
SOURCE 13
14 15 16 17
SOURCE 18
MP3
L
ZONE 1 PREOUT ZONE 2 PREOUT ZONE 3 PREOUT ZONE 4 PREOUT ZONE 5 PREOUT ZONE 6 PREOUT
MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREOMONOSTEREO
R
LRLR
LRLR
LR LR LR LR
LRLRLR
R
L
2
1
4
3
6
5
8
7
10
9
12
11
IR IN
RS232
INTERFACE
GLOBAL
IR OUT
12V/DC
TRIGGER
100mA
IN OUT
System
TRIGGER
AC/DC 3-20V
Mute
Made in Ta iwan
CAUTION
To Prevent Electric Shock,
Do Not Remove Cover. No
User-Serviceable Parts Inside,
Refer Servicing To Qualified
Service Personnel.
WARNING
To Prevent Fire Or Shock
Hazard, Do Not Expose This
Unit To Rain Or Moisture.
FIXEDVA RIABLE
OUTPUT TO AMP
L
ZONE 7 PREOUT ZONE 8 PREOUT ZONE 9 PREOUT ZONE 10 PREOUT ZONE 11 PREOUT ZONE 12 PREOUT
MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREOMONOSTEREO
R
LRLR
LRLR
LR LR LR LR
LRLRLR
FIXEDVA RIABLE
OUTPUT TO AMP
IR IN
DOOR INTERFACE
Power
123456789
10 11 12 13 14 15 16 17 18
123456
789101112
Zone Status Source Signal Strength
AC 120V~60Hz
FUSE T2AL/250V
Power Consumption: 180W
ROUTED IR OUT
SOURCE INPUT KEYPAD PORTS IR IN
13
SOURCE 13
14 15 16 17
SOURCE 18
MP3
L
ZONE 1 PREOUT ZONE 2 PREOUT ZONE 3 PREOUT ZONE 4 PREOUT ZONE 5 PREOUT ZONE 6 PREOUT
MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREOMONOSTEREO
R
LRLR
LRLR
LR LR LR LR
LRLRLR
R
L
2
1
4
3
6
5
8
7
10
9
12
11
IR IN
RS232
INTERFACE
GLOBAL
IR OUT
12V/DC
TRIGGER
100mA
IN OUT
System
TRIGGER
AC/DC 3-20V
Mute
Made in Ta iwan
CAUTION
To Prevent Electric Shock,
Do Not Remove Cover. No
User-Serviceable Parts Inside,
Refer Servicing To Qualified
Service Personnel.
WARNING
To Prevent Fire Or Shock
Hazard, Do Not Expose This
Unit To Rain Or Moisture.
FIXEDVA RIABLE
OUTPUT TO AMP
L
ZONE 7 PREOUT ZONE 8 PREOUT ZONE 9 PREOUT ZONE 10 PREOUT ZONE 11 PREOUT ZONE 12 PREOUT
MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREOMONOSTEREO
R
LRLR
LRLR
LR LR LR LR
LRLRLR
FIXEDVA RIABLE
OUTPUT TO AMP
IR IN
Power On/Off button
Analog Source inputs USB Flash Drive (MP3) Input
IR Input (connect to IR receiving
eye - sold separately)
Global IR Output - Passes IR
signals via a single or dual IR
emitter regardless of Source
selected by a zone
Routed IR Outputs - Pass IR sig-
nals via a single IR emitter only
to the Source selected by a zone
RJ-45 input (for Cat 5/Cat 6
cable to LyncTouch)
Zone Output - Fixed
Variable
Zone Output - Mono/
Stereo Switch
Trigger Out
DI-21 Interface Input
System Mute
Trigger In
Zones 1 - 12
Power Plug
Zone Status indicates when a zone is
powered on.
Source status indicates the strength
of an input signal
Product Features
Included with Lync 12
(12) Shielded Stereo Patch Cable (3 feet long)
(1) 3.5mm (mono) Trigger Cable
(1) 2.5mm to 3.5mm (mono) Trigger Cable
(1) Toslink Adapter for digital source using Source 13
(1) Power Cable
3.5mm Analog/Digital Optical Source Input RS232 for Gateway App Control

8
Wiring Your Home for Speakers
Speakers are connected directly to an amplier using speaker cable. For all behind-the-wall installations,
CL3-rated cable is recommended to comply with the majority of building codes.
In most cases, you will run a 2-conductor speaker cable from the central location directly to each speaker.
See Figure 1.
When connecting two LEFT channel or two RIGHT channel speakers into a single zone, it is possible to
daisy-chain a two-conductor cable from the rst to the second speaker. See Figure 2.
If a pair of speakers will NOT have its volume controlled by the zone’s variable output (using the app and/
or LyncTouch), but instead will be treated as a “sub-zone”, speaker cables should rst be run to the in-wall
volume control location before continuing to the speaker location. In this situation, a 4-conductor cable
will often be run to the volume control location (in place of two separate 2-conductor cables): 2 of the 4
conductors are for the LEFT speaker and 2 conductors are for the RIGHT speaker. From that location, a
separate 2-conductor cable is run to each speaker. See Figure 3
Note: A room with surround sound (e.g. 5.1, 7.1, Atmos, etc.) will require a home theater receiver which
has its own built-in amplication and multiple source inputs. For this reason, it is not typically set up as a
primary zone (with variable volume) on the whole-house audio system. However, it is possible to connect
the xed (volume) output of a zone on the Lync controller to a stereo input on the home theater receiver. In
this arrangement, you use the amps in the home theater receiver to power the speakers instead of using
two channels on the multi-channel amplier and volume is controlled by the home theater receiver.
It is also possible for sources connected to the home theater receiver to be shared with the whole-house
system. For these two reasons, it is often a good idea to establish your central location in close proximity to
the home theater receiver, or run a Cat cable between the two locations. Baluns can be added to the Cat
cable allowing sources to be shared between systems.
AMPLIFIER
12
+
_
2
AMPLIFIER
12
+
_
2
OR
Maximum of TWO 8 ohm speakers per amplifier channel
AMPLIFIER
L
+
_
R
Typical wiring for speakers without an “In-line”
volume control
AMPLIFIER
L
+
_
R
Typical wiring for an “in-line” Volume Control
Note: This connection is only used when independant
volume control within a subzone is required.
Controller
Typical wiring of a keypad (Cat5e or Cat6)
RJ45
RJ45
Typical wiring of a Source Input Panel
Cat5/Cat6
AMPLIFIER
12
+
_
2
AMPLIFIER
12
+
_
2
OR
Maximum of TWO 8 ohm speakers per amplifier channel
AMPLIFIER
L
+
_
R
Typical wiring for speakers without an “In-line”
volume control
AMPLIFIER
L
+
_
R
Typical wiring for an “in-line” Volume Control
Note: This connection is only used when independant
volume control within a subzone is required.
Controller
Typical wiring of a keypad (Cat5e or Cat6)
RJ45
RJ45
Typical wiring of a Source Input Panel
Cat5/Cat6
AMPLIFIER
L
+
_
R
Typical wiring for speakers (without an “In-line”
volume control)
Figure 1
Figure 3
Figure 2

9
Wiring a Zone for LyncTouch and Source Inputs
Most whole-house audio systems require all of your components to be located in one centralized area. Lync
is different! You can choose to listen to audio sources located not only in the central area, but also sources
located throughout your home. To make the most of this feature you will need to run Cat cable from the
central location to every location where you plan to install a LyncTouch. You will also want to run Cat cable
from that LyncTouch to a convenient location within each zone where you wish to add a source input (one
per LyncTouch).
The passive Standard Input
Panel (SIP) must be connected
to a LyncTouch. The Analog Input
Panel (AIP), Bluetooth Input Panel
(BIP), or Digital Input Panel (DIP)
can connect to a LyncTouch or
alternatively directly to the central
Lync controller.
Example 1
Example 3 Example 4
Cat5 or Cat6
Cat5 or Cat6
To Central
Location
Source Input
(SIP, AIP, BIP, DIP)
Cat cable SIP
BIP
AIP
DIP
Cat cable to
central location
Music
Streamer
Cat cable
Cat Cable
When wiring your system, run a Cat cable behind the wall from the LyncTouch to a convenient source input location.
Note: when connecting a TV’s digital audio output into a DIP, be sure the TV’s audio output is set to stereo or PCM stereo.
Example 2

Wiring a Zone for LyncTouch and Source Inputs
A unique benet of Lync is the ease with which you can connect sources spread throughout the home
into the system – i.e. not all of your sources have to be located at the central equipment location. This is
achieved by adding a source input panel (sold separately) into any zone in which you want to connect an
audio source.
Our Standard Input Panel (SIP) connects to a LyncTouch using 5 of the conductors in a Cat cable. The
other input panels are active devices that connect using Cat cable with RJ-45 tips. These input panels
are Analog Input Panel (AIP), Bluetooth Input Panel (BIP), and Digital Input Panel (DIP). Active devices
connect either to an open port on a LyncTouch or an open port on the central Lync controller. Note: It is
possible to connect both a LyncTouch and an active source input panel to the same central RJ-45 port
with a special Y-adapter. Contact HTD for details.
Note: Both LyncTouch will
control the same zone.
10
CENTRAL LOCATIONCENTRAL LOCATION
POSSIBLE WIRING SCHEMES
INCORRECT WIRING SCHEMES
OR
OR
OR
OR
SIP
CAT CABLE
CAT CABLE
CAT CABLE
CAT CABLE
CAT CABLE
CAT CABLE
CAT CABLE
SIP
SIP
SIP cannot be connected
directly to central controller
Cannot connect more than
two LyncTouch to one zone.
Cannot connect more
than one active source
input panel per zone
AIP
AIP
BIP
BIP
BIP
DIP
DIP
DIP

How to Connect
Connecting the Lync 6 / Lync 12 to a Multi-Channel Amplier(s)
Both variable and xed stereo line-level outputs are provided on the Lync controller
for every zone. In most cases, you will use the variable outputs to connect the Lync
controller to a multi-channel amplier in order to control the volume level within a
zone from the LyncTouch or HTD Lync app.
Use the xed outputs to create sub-zones. A sub-zone listens to the source selected
for the zone but its volume is NOT controlled by the app or LyncTouch. Instead, its
volume is typically controlled by a more traditional rotary or slide-type volume control
connected “in-line” on the speaker cable between the amplier and the speakers (see Figure 3, page 8). As
an example, you might have a kitchen and dining area that are located side-by-side. In this case, you will
often choose to have the kitchen be the primary zone with volume controlled by the LyncTouch and/or app,
and the dining area’s volume controlled by a more traditional rotary or slide-type volume control. Depending
on your situation, you may or may not need to add more amplier channels than already provided by the
multi-channel amplier. Please contact HTD for assistance with more complicated setups.
Connecting the Lync 6 to a Multi-Channel Amplier
11
Use the Variable Line Outputs on the Lync 6 to connect to the Line Inputs on the ampliers for each zone. We
include six 3’ shielded stereo patch cables with the Lync 6 for this purpose.
A mono 3.5mm patch cable (included with your system) should be connected from the Trigger Out on the Lync
6 to the Trigger In on the multi-channel amplier. The “trigger” is only active when a zone is powered on which
means the multi-channel amplier is only active when a zone is on. When all zones are off, the multi-channel
amplier will automatically return to sleep mode.
**Always power off the Lync 6 Controller and multi-channel amplier before connecting
or disconnecting any 12V Trigger cable.**
3’ Shielded
Stereo Patch
Cables
Speaker Connections Left Left Left Left Left Left
Right Right Right Right Right Right
Power
123456 123456
789101112
Zone Status Source Signal Strength
AC 120V~60Hz
FUSE T2AL/250V
DOOR INTERFACE Power Consumption: 160W
ROUTED IR OUT
SOURCE INPUT
KEYPAD PORTS
78910 11
12
MP3
L
ZONE 1 PREOUT ZONE 2 PREOUT ZONE 3 PREOUT ZONE 4 PREOUT ZONE 5 PREOUT ZONE 6 PREOUT
MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO
R
LRLR
LRLR
LR LR LR LR
LRLRLR
R
L43
2
1
56 IR IN
RS232
INTERFACE
GLOBAL
IR OUT
12V/DC
TRIGGER
100mA
IN OUT
System
TRIGGER
AC/DC 3-20V
Mute
Made in Ta iwan
CAUTION
To Prevent Electric Shock,
Do Not Remove Cover. No
User-Serviceable Parts Inside,
Refer Servicing To Qualified
Service Personnel.
WARNING
To Prevent Fire Or Shock
Hazard, Do Not Expose This
Unit To Rain Or Moisture.
FIXEDVA RIABLE
IR IN
SOURCE 7
Left Right
Out 2
Out 1
In 2
In 1
12 3
Line In
4 56 78 910 11 12
Line In
1 2 Line
Bridged
L L+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R R
On
Auto On
3-30V
AC/DC
Trigger In
AC 120V-60Hz
Fuse: T15A/250V
Power Consumption: 1200W
12V DC
Control
Out
Trigger
1 2 Line12 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line12 Line
Line In Line In Line In Line In
Bridged Bridged Bridged Bridged Bridged
DMA-1240
Power Vol 1 Vol 2 Vol 3 Vol 4 Vol 5 Vol 6 Vol 7 Vol 8 Vol 9 Vol 10 Vol 11 Vol 12
Power
123456 123456
789101112
Zone Status Source Signal Strength
AC 120V~60Hz
FUSE T2AL/250V
DOOR INTERFACE Power Consumption: 160W
ROUTED IR OUT
SOURCE INPUT
KEYPAD PORTS
78910 11
12
MP3
L
ZONE 1 PREOUT
ZONE 2 PREOUT ZONE 3 PREOUT ZONE 4 PREOUT ZONE 5 PREOUT ZONE 6 PREOUT
MONO STEREO MONO
STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO
R
LR
LR
LRLR
LR LR LRLR
LRLRLR
R
L43
2
1
56 IR IN
RS232
INTERFACE
GLOBAL
IR OUT
12V/DC
TRIGGER
100mA
IN OUT
System
TRIGGER
AC/DC 3-20V
Mute
Made in Ta iwan
CAUTION
To Prevent Electric Shock,
Do Not Remove Cover. No
User-Serviceable Parts Inside,
Refer Servicing To Qualified
Service Personnel.
WARNING
To Prevent Fire Or Shock
Hazard, Do Not Expose This
Unit To Rain Or Moisture.
FIXEDVA RIABLE
IR IN
SOURCE 7

Connecting the Lync 12 to Two Multi-Channel Ampliers
12
How to Connect
Use the Variable Line Outputs on the Lync to connect to the Line Inputs on the ampliers for each zone. We
include twelve 3’ shielded stereo patch cables with the Lync 12 for this purpose.
A mono 3.5mm patch cable (included) should be connected from the Trigger Out on the Lync 12 to the Trigger
In on the rst multi-channel amplier. A mono 2.5mm to 3.5mm patch cable (included) should be connected from
the 12V Control Out on the rst amplier to the Trigger In on the second amplier. The “trigger” is only active
when a zone is powered on which means the multi-channel ampliers are only active when a zone is on. When
all zones are off, the multi-channel ampliers will automatically return to sleep mode.
**Always power off the Lync 12 Controller and multi-channel ampliers before connecting
or disconnecting any 12V Trigger cable.**
Power
123456789
10 11 12 13 14 15 16 17 18
123456
789101112
Zone Status Source Signal Strength
AC 120V~60Hz
FUSE T2AL/250V
Power Consumption: 180W
ROUTED IR OUT
SOURCE INPUT KEYPAD PORTS IR IN
13
SOURCE 13
14 15 16 17
SOURCE 18
MP3
L
ZONE 1 PREOUT ZONE 2 PREOUT ZONE 3 PREOUT ZONE 4 PREOUT ZONE 5 PREOUT ZONE 6 PREOUT
MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREOMONOSTEREO
R
LRLR
LRLR
LR LR LR LR
LRLRLR
R
L
2
1
4
3
6
5
8
7
10
9
12
11
IR IN
RS232
INTERFACE
GLOBAL
IR OUT
12V/DC
TRIGGER
100mA
IN OUT
System
TRIGGER
AC/DC 3-20V
Mute
Made in Ta iwan
CAUTION
To Prevent Electric Shock,
Do Not Remove Cover. No
User-Serviceable Parts Inside,
Refer Servicing To Qualified
Service Personnel.
WARNING
To Prevent Fire Or Shock
Hazard, Do Not Expose This
Unit To Rain Or Moisture.
FIXEDVA RIABLE
OUTPUT TO AMP
L
ZONE 7 PREOUT ZONE 8 PREOUT ZONE 9 PREOUT ZONE 10 PREOUT ZONE 11 PREOUT ZONE 12 PREOUT
MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREOMONOSTEREO
R
LRLR
LRLR
LR LR LR LR
LRLRLR
FIXEDVA RIABLE
OUTPUT TO AMP
IR IN
DOOR INTERFACE
2.5mm to 3.5mm
trigger cable
3’ Shielded Stereo
Patch Cables
Speaker Connections Left Left Left Left Left Left
Right Right Right Right Right Right
Left Right
Out 2
Out 1
In 2
In 1
12 3
Line In
4 56 78 910 11 12
Line In
1 2 Line
Bridged
L L+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R R
On
Auto On
3-30V
AC/DC
Trigger In
AC 120V-60Hz
Fuse: T15A/250V
Power Consumption: 1200W
12V DC
Control
Out
Trigger
1 2 Line12 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line12 Line
Line In Line In Line In Line In
Bridged Bridged Bridged Bridged Bridged
DMA-1240
Power Vol 1 Vol 2 Vol 3 Vol 4 Vol 5 Vol 6 Vol 7 Vol 8 Vol 9 Vol 10 Vol 11 Vol 12
3’ Shielded Stereo
Patch Cables
Speaker Connections
Left Right
Out 2
Out 1
In 2
In 1
12 3
Line In
4 56 78 910 11 12
Line In
1 2 Line
Bridged
L L+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R RLL+R R
On
Auto On
3-30V
AC/DC
Trigger In
AC 120V-60Hz
Fuse: T15A/250V
Power Consumption: 1200W
12V DC
Control
Out
Trigger
1 2 Line12 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line 1 2 Line12 Line
Line In Line In Line In Line In
Bridged Bridged Bridged Bridged Bridged
DMA-1240
Power Vol 1 Vol 2 Vol 3 Vol 4 Vol 5 Vol 6 Vol 7 Vol 8 Vol 9 Vol 10 Vol 11 Vol 12
Left Left Left Left Left Left
Right Right Right Right Right Right

13
How to Connect
Amplier Settings
Two side-by-side amplier channels are used for each zone. One side is set to amplify the Left channel
of a stereo signal and the other side is set to amplify the Right side of a stereo signal. In our diagram,
channel 1 is set to amplify the Left channel and channel 2 is set to amplify the Right channel for the
speakers in Zone 1.
Level: Conveniently located on the front panel, our multi-channel ampliers include a separate level
knob for each amplier channel. Rotate the knobs clockwise to independently increase the power
output of each channel. Typically, volume knobs will be set between the 3 o’clock and maximum posi-
tion, although lower levels are sometimes used to intentionally limit the volume in certain rooms (you’re
welcome, parents). Please note, however, that intercom volume is also limited by this setting.
Input Selection Switch: Set to “Line”.
L, L+R, R Switch: When the “Line” input is used, this switch is inactive so the setting is irrelevant. How-
ever, you might want to set odd numbered channels to Left (L) and even channels to Right (R) just to
make it easier to recall which Line Output from the Lync Controller is being sent to each channel.
Bridge Switch: Since you are not bridging the two channels, make sure the Bridge Switch is off (far left
position). See the owner’s manual for the amplier for instructions on bridging adjacent channels to
achieve even higher power (but with fewer amplier channels) when necessary.
On - Auto On - Trigger Switch: Setting this switch to “Trigger” is best when using Lync with a
multi-channel amplier. For Lync 6, see page 11 for more details; for Lync 12, see page 12.
WARNING: The six (6) recessed switches labeled “Bridged” on the back of
the multi-channel amplier are factory pre-set in the left, Non-Bridged posi-
tion. They are recessed and pre-set for a very important reason – Because
improper use can damage the amplier.
Bridging is NOT used to create a mono signal from a stereo signal. Typical
use of the multi-channel amplier does NOT require Bridging of channels. If
Bridging is improperly used, it could result in permanent damage to the am-
plier, your volume controls and your speakers. DO NOT change the Bridge
switches without FIRST contacting HTD at 1-866-483-2834 or
[email protected].
Damage resulting from improper use of Bridging may not be covered by the HTD Warranty.
On
Auto On
Trigger

Source Connections at the Central Location
Any audio component with a stereo analog output, such as a music streamer, cd player, computer, etc., can
be connected directly to one of the 4 Source Inputs located on the back of the Lync Controller using RCA-
type shielded stereo patch cables or a 3.5mm to RCA cable (not included). Source 7 (Lync 6) and source
13 (Lync 12) can accept an analog or a digital optical signal.
To make use of Lync’s built-in mp3 player, connect a USB ash drive (max size 8GB) full of your favorite
songs. Songs should be saved in MP3 format. USB hard drives are not supported.
Source Input Panel Connections Spread Throughout the Home (review page 10)
Should you discover that one or more of your source components has a lower xed output level than
the rest of your components (as is common with some computers and other devices in which the only
audio ouput is a headphone jack), HTD offers two “gain boosters” (models LGB-1 and LGB-4) that are
extremely helpful in improving the quality of the sound and in balancing all source levels to a common
baseline. Call or email us for more information or check out the whole-house audio accessories section
on our website: www.htd.com.
14
How to Connect
Power
123456 123456
789101112
Zone Status Source Signal Strength
AC 120V~60Hz
FUSE T2AL/250V
DOOR INTERFACE Power Consumption: 160W
ROUTED IR OU
T
SOURCE INPU
T
KEYPAD PORTS
78
910 11
12
MP3
L
ZONE 1 PREOUT ZONE 2 PREOUT ZONE 3 PREOUT ZONE 4 PREOUT ZONE 5 PREOUT ZONE 6 PREOUT
MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO
R
LRLR
LRLR
LR LR LR LR
LRLRLR
R
L
4
3
2
1
56 IR IN
RS232
INTERFACE
GLOBAL
IR OUT
12V/DC
TRIGGER
100mA
IN OUT
System
TRIGGER
AC/DC 3-20V
Mute
Made in Ta iwan
CAUTION
To Prevent Electric Shock,
Do Not Remove Cover. No
User-Serviceable Parts Inside,
Refer Servicing To Qualified
Service Personnel.
WARNING
To Prevent Fire Or Shock
Hazard, Do Not Expose This
Unit To Rain Or Moisture.
FIXEDVA RIABLE
IR IN
SOURCE 7
Lync6 (back)
USB Flash Drive
Power
123456 123456
789101112
Zone Status Source Signal Strength
AC 120V~60Hz
FUSE T2AL/250V
DOOR INTERFACE Power Consumption: 160W
ROUTED IR OUT
SOURCE INPUT
KEYPAD PORTS
789
10 11
12
MP3
L
ZONE 1 PREOUT ZONE 2 PREOUT ZONE 3 PREOUT ZONE 4 PREOUT ZONE 5 PREOUT ZONE 6 PREOUT
MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO
R
LRLR
LRLR
LR LR LR LR
LRLRLR
R
L43
2
1
56 IR IN
RS232
INTERFACE
GLOBAL
IR OUT
12V/DC
TRIGGER
100mA
IN OUT
System
TRIGGER
AC/DC 3-20V
Mute
Made in Ta iwan
CAUTION
To Prevent Electric Shock,
Do Not Remove Cover. No
User-Serviceable Parts Inside,
Refer Servicing To Qualified
Service Personnel.
WARNING
To Prevent Fire Or Shock
Hazard, Do Not Expose This
Unit To Rain Or Moisture.
FIXEDVA RIABLE
IR IN
SOURCE 7
Power
123456 123456
789101112
Zone Status Source Signal Strength
AC 120V~60Hz
FUSE T2AL/250V
DOOR INTERFACE Power Consumption: 160W
ROUTED IR OUT
SOURCE INPUT
KEYPAD PORTS
78910 11
12
MP3
L
ZONE 1 PREOUT ZONE 2 PREOUT ZONE 3 PREOUT ZONE 4 PREOUT ZONE 5 PREOUT ZONE 6 PREOUT
MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO
R
LRLR
LRLR
LR LR LR LR
LRLRLR
R
L
43
2
1
56 IR IN
RS232
INTERFACE
GLOBAL
IR OUT
12V/DC
TRIGGER
100mA
IN OUT
System
TRIGGER
AC/DC 3-20V
Mute
Made in Ta iwan
CAUTION
To Prevent Electric Shock,
Do Not Remove Cover. No
User-Serviceable Parts Inside,
Refer Servicing To Qualified
Service Personnel.
WARNING
To Prevent Fire Or Shock
Hazard, Do Not Expose This
Unit To Rain Or Moisture.
FIXEDVA RIABLE
IR IN
SOURCE
7
Lync6 (back)Lync6 (back)
Any device with
digital audio output
Use Toslink adapter
(included) with
a device that
includes an optical
audio output
Any device with
analog audio output
Source Input Panels
*Connects to 5-pin connector on back of LyncTouch Connect one within each zone to the open RJ-45 port on LyncTouch
or directly to central Lync Controller
*5-pin
green
connector
3.5mm
Stereo
Input
3.5mm
stereo
input
Standard Input Panel (SIP)
(Passive Device)
Analog Input (AIP) Bluetooth Input (BIP) Digital Input (DIP)
(Active Devices - use power supplied over Cat cable)

A global IR input (labeled “IR IN”) is included on the back of the Lync controller. This allows you to connect
an IR receiving eye (sold separately) and pass IR signals to centrally located equipment. An IR eye is often
installed in a nearby room such as a dedicated theater room or family room with surround sound installed.
Three conductors of a Cat cable are typically used to connect the IR eye to the central Lync controller.
IR commands received at this eye are ONLY output through the Global IR output on the back of the Lync
controller. Connect a dual IR emitter to the Global IR Out so that you can control two devices.
An IR eye Panel (IRP) can be connected to
the open RJ-45 port on a LyncTouch and
installed in a convenient location within a
zone. The eye receives its power over the
Cat cable and passes the IR signal back to
the central Lync controller for the purpose of
controlling centrally located devices (that can
be controlled via IR).
The Lync Controller includes 5 Routed IR
emitter outputs and 1 Global IR emitter output.
IR emitters (sometimes called “ashers”)
connect to these ports and “ash” IR signals
received by an IR eye. Routed IR means that IR signals are routed only to the source currently selected
on a LyncTouch. This allows you to have two of the same source (such as two DirecTV or Cable boxes)
but only control the one you want. Global IR will output all of the IR signals allowing you to control a device
even when it is not selected for that zone.
15
How to Connect
Making Use of Infrared (IR) Capability
To Whole-house
Audio Controller
To Whole-house
Audio Controller
Use the double-sided tape included with the IR emitter
to attach the emitter to the device’s IR receiving eye.
This is a side view showing how the
IR emitter should be attached to the
device that is being controlled.
To Whole-house
Audio Controller
To Whole-house
Audio Controller
Lync (back)
IR Emitters are sold separately
Single IR Emitter
Dual IR Emitter
AC 120V~60Hz
FUSE T2AL/250V
Power Consumption: 160W
ROUTED IR OUT
SOURCE INPUT
KEYPAD PORTS
78910 11
12
MP3
L
ZONE 1 PREOUT ZONE 2 PREOUT ZONE 3 PREOUT ZONE 4 PREOUT ZONE 5 PREOUT ZONE 6 PREOUT
MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO
R
LRLR
LRLR
LR LR LRLR
LRLRLR
R
L43
2
1
56 IR IN
RS232
INTERFACE
GLOBAL
IR OUT
12V/DC
TRIGGER
100mA
IN OUT
System
TRIGGER
AC/DC 3-20V
Mute
Made in Ta iwan
CAUTION
To Prevent Electric Shock,
Do Not Remove Cover. No
User-Serviceable Parts Inside,
Refer Servicing To Qualified
Service Personnel.
WARNING
To Prevent Fire Or Shock
Hazard, Do Not Expose This
Unit To Rain Or Moisture.
FIXEDVA RIABLE
IR IN
SOURCE 7
Global IR Out
to control source 10
IR Emitter
to control source 7
IR Emitter
Infrared (IR) Eye Examples
Power
123456 123456
789101112
Zone Status Source Signal Strength
AC 120V~60Hz
FUSE T2AL/250V
Power Consumption: 160W
ROUTED IR OUT
SOURCE INPUT
KEYPAD PORTS
78910 11
12
MP3
L
ZONE 1 PREOUT ZONE 2 PREOUT ZONE 3 PREOUT ZONE 4 PREOUT ZONE 5 PREOUT ZONE 6 PREOUT
MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO
R
LRLR
LRLR
LR LR LRLR
LRLRLR
R
L
4
3
2
1
56
IR IN
RS232
INTERFACE
GLOBAL
IR OUT
12V/DC
TRIGGER DOOR
INTERFACE
100mA
IN OUT
System
TRIGGER
AC/DC 3-20V
Mute
Made in Ta iwan
CAUTION
To Prevent Electric Shock,
Do Not Remove Cover. No
User-Serviceable Parts Inside,
Refer Servicing To Qualified
Service Personnel.
WARNING
To Prevent Fire Or Shock
Hazard, Do Not Expose This
Unit To Rain Or Moisture.
FIXEDVA RIABLE
IR IN
Lync
Sold Separately Model: IRP

16
Door Interface
The Door Interface (model DI-21, sold separately) provides a connection point for up to two Door Stations
(model DOOR1) and one telephone line. When a doorbell button is pressed or an inbound phone call is
sensed, all active zones are muted, and a unique music le is played (use one of our provided MP3 les or
replace with your own). Door Stations allow for convenient communication between any inside zone and
a front and/or back door. The zone that “answers the door” is put in a one-to-one communication with the
Door Station.
The DI-21 is also required to enable Phone-to-Zone (see pages 18-19) in place of using a second/back
door. Additional detail is provided on our website and in the manual provided with the DI-21.
Lync Controller
SD
CARD
AC 120V~60Hz
FUSE T2AL/250V
Power Consumption: 160W
ROUTED IR OUT
Source 7
SOURCE INPUT
KEYPAD PORTS
78910 11
12
MP3
L
ZONE 1 PREOUT ZONE 2 PREOUT ZONE 3 PREOUT ZONE 4 PREOUT ZONE 5 PREOUT ZONE 6 PREOUT
MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO
R
LRLR
LRLR
LR LR LR LR
LRLRLR
R
L43
2
1
56 IR IN
RS232
INTERFACE
GLOBAL
IR OUT
12V/DC
TRIGGER
100mA
IN OUT
System
TRIGGER
AC/DC 3-20V
Mute
Made in Ta iwan
CAUTION
To Prevent Electric Shock,
Do Not Remove Cover. No
User-Serviceable Parts Inside,
Refer Servicing To Qualified
Service Personnel.
WARNING
To Prevent Fire Or Shock
Hazard, Do Not Expose This
Unit To Rain Or Moisture.
FIXEDVA RIABLE
IR IN
Door
Interface
or
Door Station
DI-21
Cat5/6
Cat5/6
Standard
Phone
Cable
Power
Adaptor
Input
RJ11
Analog Phone Line
(will not work with
a digital line)
Adding a gateway to your Lync controller makes the system capable of being
controlled by our free HTD Lync app over your existing WiFi network. The gateway
connects to the RS232 Interface using a cable included with the gateway. RS232 is
a standard commonly used in the home automation industry. Detailed instructions
are included with your gateway and are also available online.
Connecting a Gateway
Power
123456 123456
789101112
Zone Status Source Signal Strength
AC 120V~60Hz
FUSE T2AL/250V
DOOR INTERFACE Power Consumption: 160W
ROUTED IR OUT
SOURCE INPUT
KEYPAD PORTS
78910 11
12
MP3
L
ZONE 1 PREOUT ZONE 2 PREOUT ZONE 3 PREOUT ZONE 4 PREOUT ZONE 5 PREOUT ZONE 6 PREOUT
MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO
R
LRLR
LRLR
LR LR LRLR
LRLRLR
R
L43
2
1
56 IR IN
RS232
INTERFACE
GLOBAL
IR OUT
12V/DC
TRIGGER
100mA
IN OUT
System
TRIGGER
AC/DC 3-20V
Mute
Made in Ta iwan
CAUTION
To Prevent Electric Shock,
Do Not Remove Cover. No
User-Serviceable Parts Inside,
Refer Servicing To Qualified
Service Personnel.
WARNING
To Prevent Fire Or Shock
Hazard, Do Not Expose This
Unit To Rain Or Moisture.
FIXEDVA RIABLE
IR IN
SOURCE 7

17
How to Connect
Connecting a Doorbell for System Mute
The Lync Controller can be connected to your home’s existing doorbell circuit. When your doorbell button is
pressed, the Lync system will MUTE the output in all zones for 7-seconds (unless a zone is in DND mode)
allowing you to hear the sound of your home’s doorbell chime .
On the back of the Lync Controller (shown below) you will nd a green plastic connector for attaching wires
from your home’s doorbell circuit. For ease of connection, the green connector can be pulled out. There are
four small square openings in the green connector for insertion of wires from your doorbell circuit. On the
top of the green connector, there are four small screws that can be tightened down on the wires after they
have been inserted.
Although there are four connection points on the green connector, your existing doorbell will only require
connection into the two points above the “TRIGGER AC/DC 3-20V” label on the back of the Lync Controller
(shown above.) The other two connection points are for use with other types of triggering devices that close
a circuit without low voltage.
Your home’s doorbell circuit will look similar to the diagram shown below:
Here’s how to wire your Lync Controller into your doorbell circuit:
Splice 2 conductors of doorbell wire (or 2 of the wires in a Cat5e cable) from any point in the LOW VOLTAGE circuit to the green
connector on the Lync Controller, as shown below. Do NOT splice into or connect to the 120 volt AC power wires.
120 Volt
AC Power
Doorbell Transformer
(typically located
in the attic)
Doorbell
Chime Box
on wall
Doorbell
Button Low Voltage Circuit
(typically 12-18 volts)
Power
123456 123456
789101112
Zone Status Source Signal Strength
AC 120V~60Hz
FUSE T2AL/250V
Power Consumption: 160W
ROUTED IR OUT
SOURCE INPUT
KEYPAD PORTS
78910 11
12
MP3
L
ZONE 1 PREOUT
ZONE 2 PREOUT ZONE 3 PREOUT
ZONE 4 PREOUT ZONE 5 PREOUT ZONE 6 PREOUT
MONO STEREO
MONO STEREO MONO STEREO
MONO STEREO MONO STEREO MONO STEREO
R
LRLR
LRLR
LR LR LRLR
LRLRLR
R
L43
2
1
56
IR IN
RS232
INTERFACE
GLOBAL
IR OUT
12V/DC
TRIGGER DOOR
INTERF
ACE
100mA
IN OUT
System
TRIGGER
AC/DC 3-20V
Mute
Made in Ta iwan
CAUTION
To Prevent Electric Shock,
Do Not Remove Cover. No
User-Serviceable Parts Inside,
Refer Servicing To Qualified
Service Personnel.
WARNING
To Prevent Fire Or Shock
Hazard, Do Not Expose This
Unit To Rain Or Moisture.
FIXEDVA RIABLE
IR IN
Back view of Lync Controller
Showing green connector
120 Volt
AC Power
Doorbell Transformer
(typically located
in the attic)
Doorbell
Chime Box
on wall
Doorbell
Button
Low Voltage Circuit
(typically 12-18 volts)

18
Phone-to-ZoneTM
Phone-to-Zone™ is a unique feature developed specically for the Lync 6 v3 and Lync 12 v3 controllers.
Phone-to-Zone™ allows you to use your smart phone (or other smart device) to “intercom” with any zone
in your home! Calls are initiated from the phone and achieve two-way communication with any LyncTouch
(or older LyncPad). If a zone does not have a LyncTouch installed, you can still initiate a one-way call
(page) into the zone. Calls can be made from within your home’s Wi-Fi network or from virtually anywhere
in the world with an internet connection.
Requirements:
• Lync v3 Whole-House Audio Controller (Lync 6 v3 or Lync 12 v3)
• DI-21 (Door Interface) with Phone-to-Zone™ feature
• Dedicated Android phone (does not work with tablets) running our free “Phone-to-Zone Receive” app
• Your own smart device (iOS or Android) running our free “Phone-to-Zone” app
Connecting the Hardware
Make sure the two-position switch on the back of the DI-21 is set to P2Z and follow this diagram to con-
nect:
Getting Started
Phone-to-Zone requires an Android phone (most Android tablets do not work) to be permanently located
at the central location with your other equipment. We recommend using an old Android phone that is not
connected to a cellular service plan. Connect this device to your WiFi network with internet access and
keep it constantly powered on with an attached charger. Visit the Google Play store and download the
“HTD Phone-to-Zone Receive” app. When you launch the app, you will be provided an 8-digit code that is
unique to you. Keep this code secure.
Download the “HTD Phone-to-Zone” app (NOT the “Receive” app) on every iOS and Android smart de-
vice on which you’d like to be able to initiate a Phone-to-Zone connection. When you rst open that app
you will be prompted to enter your unique 8-digit code. You will only need to enter the code this one time.
Next, select whether your central controller is a Lync 6 or Lync 12.
By default, zones are identied as ZONE 1, ZONE 2, etc. You can manually change these names by
selecting “ZONE NAMES” from the upper right menu. Sorry, these names cannot be automatically pulled
from the HTD Lync app used to control your system (believe me we tried!).
AC 120V~60Hz
FUSE T2AL/250V
Power Consumption: 160W
ROUTED IR OUT
Source 7
SOURCE INPUT
KEYPAD PORTS
78910 11
12
MP3
L
ZONE 1 PREOUTZONE 2 PREOUTZONE 3 PREOUTZONE 4 PREOUTZONE 5 PREOUTZONE 6 PREOUT
MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO MONO STEREO
R
LRLR
LRLR
LRLR LR LR
LRLRLR
R
L43
2
1
56 IR IN
RS232
INTERFACE
GLOBAL
IR OUT
12V/DC
TRIGGER
100mA
IN OUT
System
TRIGGER
AC/DC3-20V
Mute
Made in Ta iwan
CAUTION
To Prevent Electric Shock,
Do Not Remove Cover. No
User-Serviceable Parts Inside,
Refer Servicing To Qualified
Service Personnel.
WARNING
To Prevent Fire Or Shock
Hazard, Do Not Expose This
Unit To Rain Or Moisture.
FIXEDVA RIABLE
IR IN
Door
Interface
12V
DC IN
PHONE
LYNC
INTERFACE
VOLUME
CONTROL
BACK
DOOR
FRONT
DOOR
SD
Audio In Audio Out
Phone-to-ZoneTM
INOUT P2ZBACK
DOOR
DOOR INTERFACE
HEADSET
JACK
MIC HEADPHONE
Controls volume of sound
le played in zone and
external phone
Cat cable
DI-21 with
Phone-to-ZoneTM
Lync 6 v3
ANDROID
PHONE

19
Phone-to-ZoneTM
Using Phone-to-Zone
1. Launch the Phone-to-Zone app on your iOS or Android smart device.
2. Press “CONNECT”. This will connect your smart phone with the centrally located Android phone. Note
that the button will change to “CONNECTING” during this process and will change to
“DISCONNECT” once the connection has been made.
3. Once connected, select TALK or RING for a particular zone, or RING ALL to ring into all of the zones
you’ve congured in the HTD Lync app, under System Settings > Doorbell Settings.
• TALK – Wait a couple seconds for Phone-to-Zone to connect to that zone and then begin talking.
Anyone within that zone will hear your voice and can respond by pressing the TALK button on
their LyncTouch. If no LyncTouch is connected to that zone, you will simply be making an an-
nouncement into the zone.
• RING – After a couple seconds, the BACKDOOR.mp3 le stored on the DI-21’s SD card will play
in both the zone and phone; the volume for both can be adjusted on the back of the DI-21. You
can replace this sound le with any other .mp3 le as long as you name the le BACKDOOR.mp3.
The call is answered when someone in the zone presses the TALK button on the LyncTouch.
4. Enjoy your conversation! Talk into the phone as you normally would and your voice is heard through
the speakers in the zone. The person within the zone must press the TALK button in order to talk
back during which time they will not hear you (similar to intercom).
5. You can end the conversation with one zone and start a new connection with another zone by select-
ing TALK or RING for the new zone. The rst zone will hear a short tone indicating the call has been
disconnected.
6. Press DISCONNECT when you are nished using Phone-to-Zone.
Notes
• It is not possible to TALK into more than one zone at a time using Phone-to-Zone as you can when initi-
ating intercom from a LyncTouch. However, you can select RING ALL and the rst zone to “answer” the
call will then be placed into a one-to-one conversation.
• If a zone you are calling is currently powered off, it will be automatically powered on and set to “Inter-
com”.
• When using the Phone-to-Zone feature, the Back Door feature will be unavailable, and vice versa. That
said, if you have a Back Door station, you can plug it into the same RJ-45 port as the Front Door station
using a Cat5-Y adapter. The only downside is that you will not be able to distinguish (by the sound le or
display on a LyncTouch) if the ring was initiated by someone at the front door or back door.
• TIP: In the HTD Lync app (used to control your system), choose the Phone-to-Zone app as one of your
four shortcuts.

20
Installing the LyncTouch
LyncTouch is a combination touch-screen and keypad controller that can be installed before or after you
have the rest of your system set up and controllable via the HTD Lync app.
Installing a LyncTouch with a Lync system that is being set up for the rst time:
1. Make sure any ampliers are in sleep mode or powered off. Make sure the central Lync Controller
is powered off using the button on the front.
2. Install each LyncTouch following the directions beginning on page 21.
3. After all LyncTouch have been installed, power on the Lync controller by pressing the button on the
front. It is at this point that the Lync controller searches for connected devices. Devices are only
recognized by the system when the Lync controller is rst powered on. Similarly press the button
on the front of each amplier to turn on.
Installing a LyncTouch when you are already controlling the system via the HTD Lync app:
1. Power off all zones. This is most easily accomplished from a single button on the app.
2. Power off the amplier(s). If your system was installed using the recommended Trigger feature,
step 1. should also put your multi-channel amplier(s) into stand-by mode. If instead, your
amplier(s) is set to always be powered on, then you will need to power off each amplier using the
button on the front. It is not necessary to press the power button on the front of the amplier if it is
already in stand-by mode.
3. Power off your central Lync controller (model Lync 6 or Lync 12) using the power button on the
front.
4. Install each LyncTouch following the directions beginning on page 21.
5. After all LyncTouch have been installed, power on the Lync controller by pressing the button on the
front. It is at this point that the Lync controller searches for connected devices. Devices are only
recognized by the system when the Lync controller is rst powered on. If your amplier(s) was left
powered on and in stand-by mode that is all you need to do. If the power button on the front of your
amplier was previously turned off (out position), then press it back in.
Overview of how to install a LyncTouch:
We have made installing LyncTouch easy with our patent-pending design. The enclosure on the
backside of the LyncTouch has been matched in size to a custom-made metal ring that you install
into a at surface, typically a wall. Once installed, you simply plug the Cat cable (already terminated
with an RJ-45 connector) into either of the RJ-45 ports on the back of the LyncTouch and push the
LyncTouch in until it is ush with the wall. Strong, neodymium magnets mounted to either side of the
LyncTouch enclosure adhere to the metal ring and keep it in place.
Watch “How to Install a LyncTouch” on our website or YouTube for a video demonstration.