Boston Acoustics Horizon Duo-i User manual

OWNER’S MANUAL / SAFETY INSTRUCTIONS / COMPLIANCE INFORMATION
Horizon Duo-i
High Performance Tabletop Music System
Serious sound with iPod connectivity
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A Boston P.O.P. Product Make it your own...

2
IMPORTANT SAFETY INSTRUCTIONS
This symbol found on the apparatus indicates hazards
arising from dangerous voltages.
This symbol found on the apparatus indicates the user
should read all safety statements found in the user
manual.
This symbol found on the apparatus indicates double
insulation.
Warning! To reduce the risk of re or electrical shock,
do not expose this apparatus to rain or moisture.
This symbol found on the apparatus indicates that
the apparatus must be placed in a separate collection
facility for electronic waste and not disposed with
household waste.
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in accordance
with the manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat
registers, stoves, or other apparatus (including ampliers)
that produce heat.
9. Do not defeat the safety purpose of the polarized or
grounding type plug. A polarized plug has two blades with
one wider than the other. A grounding-type plug has two
blades and a third grounding prong. The wide blade or
the third prong is provided for your safety. If the provided
plug does not t into your outlet, consult an electrician for
replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched
particularly at plugs, convenience receptacles, and the point
where they exit from the apparatus.
11. Only use attachments/accessories specied by the
manufacturer.
12. Unplug this apparatus during lightning storms or when
unused for long periods of time.
13. Refer all servicing to qualied service personnel. Servicing
is required when the apparatus has been damaged in any
way, such as power-supply cord or plug is damaged, liquid
has been spilled or objects have fallen into the apparatus,
the apparatus has been exposed to rain or moisture, does
not operate normally, or has been dropped.
14. Maintain a minimum distance of 2” (50mm) around
the front, rear, and sides of the apparatus for sucient
ventilation. The ventilation should not be impeded by
covering the ventilation openings or placing on or around
the apparatus items such as newspapers, table-cloths,
curtains, etc.
15. No open ame sources, such as lighted candles, should be
placed on the apparatus.
16. The apparatus shall not be exposed to dripping or
splashing. No objects lled with liquids, such as vases, shall
be placed on the apparatus.
17. Either the power inlet connector on the rear of the
apparatus or the power plug at the wall must remain
accessible, to be able to disconnect power from the
apparatus.
18. To completely disconnect this apparatus from the AC
Mains, disconnect the power supply cord plug from the AC
receptacle.
19. The mains plug of the power supply cord shall remain
readily operable.
American Users:
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. This 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 o 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
dierent from that to which the receiver is connected.
• Consultthedealeroranexperiencedradio/TVtechnician
for help.
Canadian Users
This class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de classe B est conforme á la norme
NMB-003 du Canada.

3
Introduction
Thank you for choosing Boston Acoustics and congratulations on your purchase of the Horizon Duo-i High Performance
Tabletop Music System. If you own other Boston products, the outstanding audio performance and ease-of-use of the
Duo-i should come as no surprise. If you’re new to Boston, welcome – we think you’ve made a great choice. The Duo-i is a
sophisticated stereo radio and iPod speaker system with dual alarms, auxiliary inputs and outputs, all in a high-style, soft-
touch enclosure – all the things that“Play Smart.”So check out all the features and functions of your new music system. We
know you’ll enjoy it for years to come.
Features
• Outstandingaudioperformancefromdual31/2-inch speakers in separate acoustic chambers, vented for extended
response
• BassTrac®audioprocessingforsatisfyingbassatanyvolume
• IntegrateduniversaliPoddockwithvideooutput
• Threeintuitive,easytousecontrolsoperatealltheDuo-ifeatures
• Multi-functionRemotecontrolstheradioandiPod
• Large,easytoreaddisplaywithadjustablebrightnessthatdimsautomaticallyinlowlightconditions
• HighlysensitiveAM/FMStereotuner
• 10FMradio station presets; 5 AM radio presets
• Externalantennainputsformaximumreception
• Dualalarmfunctionseachwithwake-to-alarmand/orwake-to-musicfromtheradiooryouriPod
• Easytouse,one-buttonalarmsetting
• Alarmsgraduallyincreaseinvolumeforagentlewakeup
• S-n-o-o-o-o-o-z-ebar– the entire outer aluminum trim is a touch sensitive, can’t-miss-it snooze bar
• Sleepfunctionletsyoulistentomusicupto90minutesbeforetheDuo-iturnsitselfo
• Makeityourown!CustomizeyourDuo-iwithoptionalgrillesavailableatwww.bostonacoustic.com/POP
• Timesetting,stationpresets,andalarmssettingsarerememberedduringpoweroutages
• Headphoneoutputonthefrontpanel
• Dualauxiliaryinputs-frontandrearpanel
• CompositevideooutputletsyouplayTVprogrammingstoredonyouriPodthroughatelevision
• iPodischargedwhileplacedinthedock
• Internalpowersupply-nobulkyexternaladapterneeded

4
Contents
Unpacking and Setting Up Your Horizon Duo-i 5
Placement 5
Power Connection 5
AM and FM Antennas 5
About the Front Panel Controls 5
About the Remote Control 6
Basic Control Operations 6
Turning the Horizon Duo-i On or O 6
AdjustingtheVolume 6
Setting the Clock 6
Selecting a Source 6
Tuning In a Radio Station 7
Station Seek 7
Setting a Station Preset 8
Selecting a Preset Station 8
Adjusting Bass and Treble 8
Using Your iPod 9
Front Panel Control iPod Operation 9
Remote Control iPod Operation 9
Alarm Clock Features 10
Setting the Alarm Time 10
Setting an Alarm 10
How the Alarms Work 10
The Snooze Feature 11
Sleep Function 11
Other Control Settings 12
Display Information 12
Display Brightness 12
Connecting Other Equipment 13
Connecting Headphones 13
Using Aux Inputs 13
UsingtheVideoOutput 13
About Clock Memory 13
Security Cable Connection 13
Service Port 13
Maintenance and Service 13
LimitedWarranty 14
If Service Seems Necessary 14

5
About the Front Panel Controls
Most of the Horizon Duo-i functions are operated by the three controls on the front
panel.
Power/Volume – Is controlled by the large knob in the center of the panel.
Mode – Selects the input you want to use or the function you want to adjust.
Tune – Tunes in a new radio station.
These logical, intuitive controls make it easy to operate the Horizon Duo-i. The way
you use each contol is the same for each feature. Once you learn how to control
one of the features the rest of them will be easy. You may not need to refer to this
manual once you understand the way the controls work.
Unpacking and Setting Up Your Horizon Duo-i
Carefully unpack the Horizon Duo-i. If there is any sign of damage from transit, report it immediately to your dealer and/or
delivery service. Keep the shipping carton and packing materials for future use. Be sure to keep your purchase receipt in a
safe place, as it may be required for warranty purposes.
In the box you should nd the Horizon Duo-i, the remote control, power cord and seven iPod dock adapter cups.
Placement
Your Horizon Duo-i will sound great just about anywhere. But if you put it near a wall or corner the bass response will be
enhanced. Don’t block the bass port. Be sure the cabinet vents behind the iPod dock are unobstructed to allow for ventilation.
Power Connection
Just connect the power cord to the back of the Horizon Duo-i and plug it into
the wall power outlet.
AM and FM Antennas
The Horizon Duo-i comes out of the box ready to use. The internal AM
antenna is connected. The FM antenna is also connected. Just extend the
wire connected to the plug. With the standard antennas you’ll probably pull
in more stations than any other radio you own. But if you want to listen to
stations that are very far away then external antennas can be connected to
the antenna inputs.
FM Antenna Input
AM Antenna Input
Video Output
AC Input
Output Fixed/Variable Switch
Output
Aux 2 Input

6
About the Remote Control
Most of the features of the Horizon Duo-i can be operated with the supplied remote control.
When it’s not being used, the remote control can be conveniently stored in the recess on top of
the Horizon Duo-i, in front of the iPod dock. The remote also has a magnetic backing so it can be
attached to many metal surfaces.
Note: When you unpack your remote control there will be a plastic insulation tab extending
from the battery compartment. Pull out this tab before using the remote control.
There must be an unobstructed line of sight to the front of the Horizon Duo-i when using the
remote control. Point the remote control at the front panel of the Horizon Duo-i when pressing
the buttons. For best results you should be within 20 feet of the unit and no more than 45° o
axis.
Note: Eventually you’ll need to replace the remote battery. If the remote doesn’t reliably operate the Duo-i, put in a new
CR20253Vlithiumcointypebattery.
Basic Control Operations
Turning the Horizon Duo-i On or O
Press the POWER/VOLUME control on the center of the front
panel or the green button on the remote control.
Adjusting the Volume
Turn the front panel POWER/VOLUME KNOB or press the VOLUME
UP or VOLUME DOWN buttons on the remote control.
 
 
Setting the Clock
1Turn the MODE control until the clock icon is highlighted with brackets .
2Press the MODE control. The clock icon and time display will ash.
3Turn the MODE control to adjust the time.
4Press the MODE control again to set the time. The display reverts to its previous
mode and the new time is set.
Note: The clock can display time in either 12 hour or 24 hour format. To change the
time display turn the MODE control to highlight the clock icon with brackets . Press
and hold the mode control for 5 seconds. The display will show “12H” or “24H”. Turn
the MODE control to select the time format you want, then press the control.
Note: On the control illustrations –
Regular arrows indicate to press and release the
button or control.
Double headed arrows indicate to press and hold the
button or control.
This symbol indicates the control is turned then pressed.

7
Selecting a Source
Using the Front Panel Controls
1Turn the MODE control until the source you want is
highlighted with brackets. Note that other function and
alarm setting control icons also may be selected.
2Press the MODE control to select the highlighted item. Or
just wait a few seconds and the source is automatically
selected. The Duo-i begins playing the source selected.
Using the Remote Control
Press the button for the source you want to select. Press
the FM and AUX buttons once for FM 1 or AUX 1 and twice
for FM 2 or AUX 2.
Notes:
• TheiPodsourcecanbeselectedonlywhenyouriPodisin
the dock.
• ThereareFM1andFM2sourceoptions.Theycorrespondto
the two FM radio preset groups.
• ThereareAux1andAux2sourceoptions.Aux1isthefrontpanelinput.TheAux2inputisontherearpanel.
Tuning In a Radio Station
Using the Front Panel Controls
1Use the MODE control to select the AM radio source or one
of the FM radio sources.
2Turn the TUNE control until the station frequency you want
shows in the display.
Using the Remote Control
1Press the AM or FM radio source button.
2Press the [or ]button once to step up or down the
radio band to the next station frequency.
Notes:
• Iftheradiosourceyouwantisalreadyselectedyoucanskip
step 1and use the front panel TUNE control or the remote
[or ]buttons to tune in a new station.
• Ifthestationyouselecthasbeenassignedtoastationpreset,thepresetindicatorandnumberaredisplayed.
Station Seek
Using the Front Panel Control
Press the TUNE button. The Duo-i will seek up the radio band for
the next receivable station.
Using the Remote Control
Press and hold the [or ]button. The Duo-i will seek up or
down the radio band for the next receivable station.


The brackets around FM 1 indicate it is the selected source in
this example.


 



8
Setting a Station Preset
1Use the MODE control, or press the AM or FM button on
the remote control to select the radio band you want to
use. There are two sets of FM presets. They are selected by
choosing the FM 1 or FM 2 sources.
2Use the front panel TUNE control, or the [or ]buttons
on the remote control to tune in the station you want to
assign to a preset.
3Press and hold the front panel or remote control PRESET
BUTTON (1-5) you want to set up. A tone will sound and the
preset number will light indicating the station has been
assigned to the preset.
In this example FM station 107.9 has been assigned to preset 3 in the
FM 2 group.
Selecting a Preset Station
1Turn the MODE control to highlight the radio band of the
preset you want to select. There are two sets of FM presets.
They are selected by choosing the FM 1 or FM 2 source.
2Press and quickly release the PRESET BUTTON (1-5) you want
to select. The preset indicator, the preset number and the
station frequency will light.
In this example AM preset 5, with station frequency 1050 assigned
to it, has been selected.
Note: Pressing a PRESET BUTTON more than once will switch to
the other radio band or preset group. Using this example, if you
press PRESET BUTTON 5 again, then preset 5 in the FM 1 group is
selected. Another press selects preset 5 in the FM 2 group. Press
the button one more time and AM preset 5 is selected again.
Adjusting Bass and Treble
1Turn the MODE control to select the Bass or
Treble icon in the display. The Bass or Treble
icon and the current setting ashes in the
display.
2Turn the MODE control clockwise to increase,
or counter-clockwise to decrease the Bass or
Treble
In these examples the Bass is set to –2 and the Treble is
set to +1.








 


   

9
Front Panel Control iPod Operation
1Press the TUNE button to start or pause playback of the
selected track.
2Turn the TUNE control to skip forward or back one or
more tracks.
3Press, hold and turn the TUNE button to start fast forward
or rewind. Press the TUNE button again to stop fast
forward or rewind and resume playback.
Using Your iPod
You can use your iPod as a music source for general playback or to wake to music when using the alarm clock function.
The Horizon Duo-i is supplied with seven docking adapters. These t in the
docking well in the top of the Duo-i to support various iPod models. The
table below lists the iPod models and the docking adapters to use with
them. The number of the docking adapter is molded into the back of the
part. Place the appropriate adapter in the docking well and plug your iPod
into the dock.
Once your iPod is in the dock you can select it using the front panel Mode
control or the remote control. See the “Selecting a Source” section on page
7 of this manual.
The basic play functions of the iPod can be operated using the Duo-i front
panel controls or the remote.
Docking Adapter



Remote Control iPod Operation
iPod Model (Capacity) Adapter Number
iPod photo (40 / 60GB), iPod with color display (60GB) 7
iPod nano (2 / 4GB) 8
5G and U2 iPod (30 GB with video), iPod classic (80GB) 9
5G iPod with video (60GB / 80GB), iPod classic (160GB) 10
iPod nano - 2nd generation (2 / 4 / 8GB) 11
iPod nano - 3rd generation (4 / 8GB) 13
iPod touch 8GB & 16GB 14
1Press the ,>button to play or
pause the iPod.
2Press the [or ]button to skip
back or forward one track.
3Press and hold the [or ]
button to start fast forward or
rewind.


 

10
Setting an Alarm
If you plan to use the wake to music function, note that the last source and volume level
settings will be used for this alarm.
1Press the ALARM 1 or ALARM 2 buttons one or more times to turn on the alarm and
set the alarm type. One press selects wake to music . A second press selects wake
to tone . A third press selects both. Press the button a fourth time to cancel the
alarm.
This example shows how the display might look after the Duo-i is turned o. The current time
is displayed and the icons show Alarm 1 is on set for wake to music and tone and Alarm 2 is on
set to tone only.
 
Alarm Clock Features
The Horizon Duo-i has two independent alarm settings. Each can have its own type of alarm—wake to tone, wake to music or
both. Both types of alarms start at a low volume level that gently increases.
Setting the Alarm Time
The alarm time can be set when the Duo-i is turned on or o.
1Press and hold the ALARM 1 or ALARM 2 button for one second. The alarm time and
the or icon will ash.
2Turn the MODE control to adjust the alarm time.
3Press the MODE control to set the alarm time.
In this example Alarm 2 is set to 7:15 AM.
Note: The alarm time can also be set by using the MODE control to highlight the
or icon. Then press the MODE control and follow steps 2 and 3 above.




How the Alarms Work
When an alarm is triggered the icon for the alarm starts ashing.
If you selected wake to tone, the alarm tone starts sounding, quietly at rst then with increasing volume.
If you selected wake to music with a radio, the station you last tuned to is played at a gradually increasing volume
If you selected wake to music from your iPod, the selected song is played at a gradually increasing volume.
If you selected wake to music and tone, the radio station or iPod song you selected begins playing at a gradually
increasing volume. If you do not turn o the music source alarm after ve minutes the music stops playing and the alarms
tone begins to sound at a gradually increasing volume.
To turn o the alarm press the POWER/VOLUME control.

11
The Snooze Feature
If you want to sleep a while longer after the alarm sounds you can use the
“Snooze“ feature. Simply touch the outer metal rim around the Duo-i. This will
delay the alarm for ten minutes. Each additional touch of the rim increases
the length of the “Snooze”alarm delay by 5 minutes. The maximum delay is 60
minutes. The display shows the time and a ashing Alarm icon.
To see how much “Snooze”time is left touch the metal rim once. If you touch the rim again another ve minutes is added to
the “Snooze”time for each additional touch.
To cancel the “Snooze”function press the alarm 1 or alarm 2 button for the active Alarm or the POWER/VOLUME button.
Sleep Function
You can set the Horizon Duo-i to play a radio station or your iPod for up to 90 minutes.
After the specied time the Duo-i shuts o.
1Select the source and set the volume level. Use the MODE control to highlight
the Sleep icon in the display.
2Press the MODE control. The Sleep icon and “OFF” will ash in the display.
3Turn the MODE control clockwise until the number of minutes you want is
displayed.
4Press the MODE control. The brackets around the Sleep icon will ash a few
times. The display will return to its previous state with the Sleep icon lit.
In this example the Sleep turn o delay is set to 30 minutes.
Notes:
• TocanceltheSleepdelaybeforeithasnishedpressthePOWER/VOLUME control
to turn o the Duo-i.
• Touchthemetalrimaround the Duo-i to display the remaining time of the Sleep delay. Touching the rim a second time
will adjust the remaining sleep time.
Touch Sensitive Rim
 
 

12
Other Control Settings
Display Information
When you adjust the controls or settings of the Duo-i the display shows information and symbols related to what you are
doing. After a few seconds the display goes back to showing the time or the source you are listening to. You can select which
of the default displays you want.
Using the Front Panel Controls
1Turn the MODE control to highlight the Info icon of the
display.
2Turn the MODE control to select the Source display or the
Time display. Press the MODE control to set the default
display.
Using the Remote Control
Press the INFO button to switch between Source or Time display.
If the display default was set to show the Time the icon for the
currently selected source ashes a few times. The display now
defaults to show the Source.
If the display default was set to show the Source the clock icon ashes a few times. The display now defaults to show the
Time. Note that the icon for the current source displays in addition to the time.
In the example shown above the default display is set to Time and the source is FM1.
Display Brightness
The display brightness varies automatically with changing light conditions. In addition the overall range of the display
brightness can be adjusted to suit personal preference.
1Turn the MODE control to highlight the Brightness icon.
2Press the MODE control. The Brightness icon and the current brightness setting will
ash.
3Turn the MODE control to adjust the brightness setting. The setting can range from
1 – 20.
4Press the MODE control again to set the new display brightness setting. The brackets
around the Brightness icon ash a few times. Then the display reverts to its previous
state.
In this example the brightness is set to 12.


 
 

13
Connecting Other Equipment
Connecting Headphones
Connect the headphone plug to the jack beside the symbol. This turns o the Duo-i internal speakers. If your headphones
have a 1/4-inch plug you will need an adapter.
Using Aux Inputs
Other audio equipment, such as a portable CD player, can be connected to the Duo-i through the Aux inputs. The Aux 1
input on the front panel has an 1/8-inch jack. The Aux 2 input on the rear panel uses two RCA jacks. The right and left channel
jacks are color coded red and white respectively. Select the Aux 1 or Aux 2 input using the MODE control as described in the
“Selecting a Source”section of this manual.
Using the Video Output
If your iPod can store video tracks you can watch them on an external television when it is docked to the Duo-i. Connect
astandardplugcablebetweentheVideooutputoftheDuo-iandthecompositeinputofyourtelevision.Typicallythe
composite video input of a television is color coded yellow. Refer to the manual for your television for information on this
input and how to use it.
About Clock Memory
When power to the Duo-i is interrupted a special power component called a“super-cap”will keep the clock functions active
for a period of 24-48 hours. If the Duo-i is without power for a longer period of time you may need to reset the clock when
power is restored.
Security Cable Connection
There is a security cable connection point on the rear of the Duo-i to the right of the power input connector. This is the same
as the connection point found on most laptop computers. Connect a computer security cable between the Duo-i and a solid
anchor point to help prevent theft of your Duo-i.
Service Port
The Service port on the rear panel is for use only qualied service technician.
Maintenance and Service
The Duo-i enclosures may be cleaned using a soft cloth to remove ngerprints or to wipe o dust. All wiring connections
should be inspected and remade at least once a year.
In the event that your speakers ever need service, contact your local Boston Acoustics dealer or visit
www.bostonacoustics.com/dealers for a list of dealers in your area.

14
Limited Warranty
Boston Acoustics warrants to the original purchaser of the Horizon Duo-i that it will be free of defects in materials and
workmanship in its mechanical parts for a period of one year from the date of purchase.
Your responsibilities are to install and use the Duo-i according to the instructions supplied, to provide safe and secure
transportation to an authorized Boston Acoustics service representative, and to present proof of purchase in the form of your
sales slip when requesting service.
Excluded from this warranty is damage that results from abuse, misuse, improper installation, accidents, shipping, or repairs/
modications by anyone other than an authorized Boston Acoustics service representative.
This warranty is limited to the Boston Acoustics product and does not cover damage to any associated equipment. This
warranty does not cover the cost of removal or reinstallation. This warranty is void if the serial number has been removed or
defaced. This warranty gives you specic legal rights, and you may also have other rights which vary from state to state.
If Service Seems Necessary
First, contact the dealer from whom you purchased the product. If that is not possible, write to:
Boston Acoustics, Inc.
300 Jubilee Drive
Peabody, MA 01960 USA
Or contact us via e-mail at:
US: [email protected]
Japan: [email protected]
Asia Pacic: ser[email protected]
We will promptly advise you of what action to take. If it is necessary to return your Horizon Duo-i to the factory, please ship it
prepaid. After it has been repaired, we will return it freight prepaid in the United States and Canada.
For EU Customers Only
This symbol found on the product indicates that the product must not be disposed of with household waste.
Instead, it may be placed in a separate collection facility for electronic waste or returned to a retailer when
purchasing similar product. The producer paid to recycle this product. Doing this contributes to reuse and
recycling, minimizes adverse eects on the environment and human health and avoids any nes for incorrect disposal.

300 Jubilee Drive, Peabody, MA 01960 USA
www.bostonacoustics.com
© 2008. All rights reserved. Boston, Boston Acoustics, and BassTrac are registered trademarks, and the B/A ellipse symbol
and play smart are trademarks of Boston Acoustics, Inc. iPod is a trademark of Apple Computer, Inc., registered in the U.S.
and other countries. Specications are subject to change without notice. 142-003140-0