Harman Kardon Music Mixer TU 970 User Manual

TU 970  
OWNER’S MANUAL  
Power for the Digital Revolution®  
 
Introduction  
Congratulations! With the purchase of the  
Harman Kardon TU 970 you are about to begin  
many years of listening enjoyment.  
Description and Features  
The TU 970 is equipped with DAB (Digital Audio  
Broadcast) and RDS (Radio Data System),  
bringing a wide range of information to radio  
listeners.  
While sophisticated systems are hard at work  
within the TU 970 to make all of this happen,  
hookup and operation are simple.  
Until now, analogue radio signals such as FM  
or AM have been subject to numerous kinds of  
interference on their way from the transmitter to  
your radio. These problems were caused by  
mountains, high-rise buildings and weather  
conditions.  
To obtain maximum enjoyment from your new  
tuner, we urge you to take a few minutes to read  
through this manual. This will ensure that  
connections are made properly. In addition, a  
few minutes spent learning the functions of the  
various controls will enable you to take advan-  
tage of all the power the TU 970 is able to deliver.  
With DAB, you can now receive CD-like quality  
radio programs without any annoying interference  
and signal distortion.  
If you have any questions about this product, its  
installation or operation, please contact your  
dealer. He is your best local source of information.  
Now in use in many countries, RDS is a system  
for transmitting station identification, a descrip-  
tion of the station’s program type, indication of  
national, regional or local programs and the  
correct time. RDS also allows you to search for  
favorite program types. A DOT-matrix display  
brings all this information to you with high  
visibility. As more FM stations become equipped  
with RDS capabilities, the TU 970 will serve as  
an easy to use center for both information and  
entertainment.  
INTRODUCTION 3  
 
Front Panel Controls  
0 1  
2
3
4
5
@
6
7
8
9
!
Power Indicator  
System Power Control  
Band selector  
Info/RDS Button  
Auto Tune Button  
Information Display  
Dimmer  
Memory  
Control Ring  
Select  
Remote Control Sensor  
1
2
3
4
5
6
7
8
9
)
!
@
Function/FM Mode Selector  
1
Power Indicator: This LED will illuminate in  
5
Info/RDS Button: In DAB mode, pressing  
) Control Ring: Turn counterclockwise to  
amber when the unit is in the Standby mode to  
signal that the unit is ready to be turned on.  
When the unit is in operation, the indicator will  
turn blue.  
this button will change the content of the lower  
display line of the Information Display. In RDS  
mode, it will change between the different RDS  
options.  
tune lower frequency stations and clockwise to  
tune higher frequency stations. When a station  
with a strong signal is tuned, the Information  
Display  
7
will read TUNED. Turn again to  
tune to the next frequency increment in Manual  
Tune Mode, or automatically to the next sta-  
tion with a signal strong enough for acceptable  
reception in Auto Tune Mode. The ring also  
controls the parameters in the different menus.  
2
System Power Control: Press this button  
6
Auto Tune Button: In DAB mode, press this  
to turn on the TU 970; press it again to turn the  
unit off (to Standby). Note that the Power Indi-  
cator  
the unit is on.  
button to automatically scan all available local  
stations. To scan for all available stations, keep  
the button pressed for three seconds, until  
AUTOSCAN FULL is shown in the Infor-  
1
next to the switch will turn blue when  
mation Display  
7
.
! Select: In FM or AM mode, press this but-  
ton to select Auto Tune, Manual Tune or Preset  
Tune. In DAB mode, press this button to select  
the displayed station.  
3
Band Selector: Press this button to change  
between the DAB, FM and AM frequency bands.  
7 Information Display: This dual line display  
delivers messages and status indications to help  
you operate the tuner.  
4
Function/FM Mode Selector: In DAB  
mode, pressing this button will activate station  
order, signal error rate, preset tune, software ver-  
sion, Dynamic Rate Control or manual tune fea-  
tures. In FM mode, press this button to select the  
stereo or mono mode for FM tuning. In the  
@
Remote Sensor Window: The sensor  
8
Dimmer: Press this button to dim the front  
behind this window receives infrared signals  
from the remote control. Aim the remote at this  
area and do not block or cover it unless an  
external remote sensor is installed.  
panel display. The first press of the button will  
dim the displays to one-half normal brightness;  
the next press will turn back to normal bright-  
ness. The display will return to normal brightness  
the next time the unit is turned on.  
stereo mode, the word STEREO will be shown  
in the Information Display  
7, and stereo  
reception will be provided when stations are  
transmitting stereo signals. In the mono mode,  
the left and right signals from stereo broadcasts  
will be mixed together and reproduced through  
all channels. Select MONO for better reception  
of weak signals.  
9
Memory Button: Press this button to open  
the memory position that stores a preset loca-  
tion in the tuner. 10 DAB presets can be stored,  
as well as 30 FM and 30 AM presets. (See page  
9 for more information on tuner presets.)  
4 FRONT PANEL CONTROLS  
 
Rear Panel Connections  
0
3 7  
5
1 2  
6
4
0
1
2
3
4
5
6
7
Optical and Coaxial Digital Outputs  
FM Antenna  
AM Antenna  
DAB Antenna  
AC Power Cord  
Remote Control Output  
Remote Control Input  
Analog Audio Outputs  
0
Optical and Coaxial Digital Outputs:  
3
Analog Audio Outputs: Connect these  
6
Remote Control Output: Connect this  
Connect one of these jacks to the optical or  
coaxial digital input of your pre amplifier or inte-  
grated amplifier, if available.  
jacks to the tuner input of your pre amplifier or  
integrated amplifier for analog audio playback.  
Be certain to observe proper channel connec-  
tions using the color-coded cables and connec-  
tors so that red connects right channels and  
white connects left channels.  
jack to the infrared (IR) input jack of another  
compatible Harman Kardon remote controlled  
product to have the built-in Remote Sensor on  
the tuner provide IR signals to other compatible  
products.  
Note that these digital outputs only contain the  
digital signal from the DAB stations. For FM/AM  
reception, you will have to connect the analog  
outputs at all times.  
7
Remote Control Input: Connect the  
NOTE: Before making any audio connections,  
unplug all components of your audio system  
from their AC power outlets. To reduce the possi-  
bility of hum or noise in your system, place all  
audio interconnection cables away from both AC  
power cords and speaker wires.  
output of a remote infrared sensor, or the  
remote control output of another compatible  
Harman Kardon product, to this jack. This will  
enable the remote control to operate even when  
the front panel Remote Sensor on the tuner is  
blocked. This jack may also be used with  
compatible IR remote control-based automation  
systems.  
1
FM Antenna: Connect an indoor or external  
FM antenna to this terminal.  
2
AM Antenna: Connect the AM loop anten-  
na supplied with the receiver to these terminals.  
If an external AM antenna is used, make connec-  
tions to the AM and GND terminals in accor-  
dance with the instructions supplied with the  
antenna.  
4
DAB Antenna: Connect a DAB antenna to  
this terminal.  
5
AC Power Cord: Connect this plug to an  
AC outlet. If the outlet is controlled by a switch,  
make certain that it is in the ON position.  
REAR PANEL CONNECTIONS 5  
 
Remote Control Functions  
0
Standby/Power On: Press this button to  
turn on the TU 970; press it again to turn the  
unit off (to Standby). Note that the Power Indi-  
cator  
1
next to the switch will turn blue when  
the unit is on.  
1
Numeric Keys: These buttons serve as a  
ten-button numeric keypad to enter tuner preset  
positions or to tune stations directly.  
0
1
2
Clear Button: Press this button to clear  
presets from your station list.  
3
Info/RDS Button: Pressing this button will  
change the content of the lower display line of  
the Information Display.  
4
Auto Tune Button: In DAB mode, press  
this button to automatically scan all available  
local stations. To scan for all available stations,  
keep the button pressed for three seconds, until  
AUTOSCAN FULL is shown in the Infor-  
2
3
4
5
6
9
8
7
mation Display  
7.  
5
Scroll Buttons: Press L to tune lower  
frequency stations and K to tune higher fre-  
quency stations. When a station with a strong  
signal is tuned, the Information Display  
7
will read TUNED. Press again briefly to tune to  
the next frequency increment in Manual Tune  
Mode, or keep pressed for automatic search for  
the next station with a signal strong enough for  
acceptable reception in Auto Tune Mode.  
These buttons also control the parameters in the  
different menus, like the Control Ring  
)
on  
the front panel.  
6
Function/FM Mode Selector: In DAB  
mode, pressing this button will activate station  
order, signal error rate, preset tune, software ver-  
sion, Dynamic Rate Control or manual tune fea-  
tures. In FM mode, press this button to select the  
stereo or mono mode for FM tuning. In the  
stereo mode, the word STEREO will be shown  
in the Information Display  
7, and stereo  
reception will be provided when stations are  
transmitting stereo signals. In the mono mode,  
the left and right signals from stereo broadcasts  
will be mixed together and reproduced through  
all channels. Select MONO for better reception  
of weak signals.  
7
Band Selector: Press this button to  
change between the DAB, FM and AM frequency  
bands.  
8
Select: In FM or AM mode, press this but-  
ton to select Auto Tune, Manual Tune or Preset  
Tune.  
9
Memory Button: Press this button to  
0
1
2
3
4
Standby/Power On  
Numeric Keys  
Clear Button  
Info/RDS Button  
Auto Tuning Button  
5
6
7
8
9
Scroll Button  
Function/FM Mode Selector  
Band Selector  
Select Button  
Memory Button  
open the memory position that stores a preset  
location in the tuner. 10 DAB presets can be  
stored, as well as 30 FM and 30 AM presets.  
(See page 9 for more information on tuner pre-  
sets.)  
6 REMOTE CONTROL FUNCTIONS  
 
Installation and Connections  
Audio Equipment Connections  
4. Connect a FM Antenna to the FM Antenna  
connection. The FM antenna may be an  
Audio Connections  
We recommend that you use high-quality inter-  
connect cables when making connections to  
source equipment and recorders to preserve the  
quality of the signals.  
1
After unpacking the unit and placing it on a  
solid surface capable of supporting its weight,  
you will need to make the connections to your  
pre amplifier or integrated amplifier. These steps  
need to be done only when the tuner is first  
installed.  
external roof antenna, an inside powered or wire  
lead antenna or a connection from a cable sys-  
tem. Note that if the antenna or connection uses  
300-ohm twin-lead cable, you need to use a  
300-ohm-to-75-ohm adapter to make the con-  
nection. The supplied antenna is for indoor use  
only.  
When making connections to audio source  
equipment it is always a good practice to unplug  
the unit from the AC wall outlet. This prevents  
any possibility of accidentally sending audio or  
transient signals to the speakers that may dam-  
age them.  
5. Connect a DAB Antenna to the DAB Anten-  
na  
4
connection. The supplied antenna is for  
internal use only. Fix it to the wall in a vertical  
direction. The strength of the incoming signal  
can be shown on the Information Display by  
1. Connect the analog output of the TU 970 to  
the tuner input of your pre amplifier or integrat-  
ed amplifier.  
pressing the Select button  
!8. The more  
segments are visible in the lower display line, the  
stronger the signal. By changing the position of  
the antenna, you can increase the signal  
strength. You can also opt for an external anten-  
na, available at your dealer.  
2. For DAB signals, connect the optical or coaxial  
digital output of the TU 970 to an optical digital  
audio input of your pre amplifier or integrated  
amplifier, if available.  
3. Assemble the AM Loop Antenna supplied with  
the unit as shown below. Connect it to the AM  
terminals  
2.  
When all connections are complete, plug the  
power cord into a non-switched 230 Volt AC  
wall outlet. You’re ready to enjoy the TU 970!  
For best reception, place the antenna away from  
the unit as well as from sources of RF emissions  
such as a television or computer. It should also  
be placed away from contact with any metal  
object. In areas where signals are weak, an out-  
door antenna may improve sound and reception  
quality. Connect the antenna making certain to  
also connect a ground wire to the GND termi-  
nals.  
INSTALLATION AND CONNECTIONS 7  
 
Operation  
DAB Operation  
Basic Operation  
Station List  
Once the TU 970 has finished the scanning  
sequence, it will display the available stations in  
alphanumeric order. Turn the Control Ring  
clockwise or counterclockwise to scroll through  
the list of available stations. The upper display  
line in the Information Display  
show the current station you are listening to. The  
lower display line shows the next station in the  
list. To select the next station, simply press the  
When you turn on the tuner, the tuner will ini-  
tialize. During 2 seconds, the display will show  
the following messages:  
The TU 970 is simple to operate, and very similar  
to tuners you may have used in the past. This  
section will explain the use of several features  
that may be new to you.  
)
• Install the two supplied AAA batteries in the  
remote as shown. Be certain to observe the (+)  
and (–) polarity indicators shown in the bottom  
of the battery compartment.  
7
will always  
After the initialization process, the tuner will per-  
form an automatic scan for available local digital  
radio stations. This sequence can not be inter-  
rupted. During the sequence, the following mes-  
sage will be visible on the display.  
Select Button on the front panel  
remote control  
!
or on the  
8
.
The current station list will remain in the memo-  
ry of the TU 970. It can be updated by running  
the Autotune function  
6
4
as described  
above, or deleted by resetting the TU 970’s  
memory (see page 11).  
NOTE: The station list can be shown in different  
order. For more info, see page 9.  
• When using the TU 970 for the first time, it  
will be placed in a standby mode, as indicated  
The arrows show the progress of the sequence.  
On the right top side, you will see how many  
digital stations have been found.  
It can occur that one of the stations in your list is  
temporarily not available. A “?” symbol will be  
visible in front of the station name to indicate  
such a station. If you select the station, the  
by the amber color of the Power Indicator  
1.  
Once the unit is in standby, you may begin a lis-  
tening session by pressing the System Power  
Control  
On button  
that the Power Indicator  
turn the unit off at the end of a listening session  
simply press the System Power Control  
on the front panel or the Standby button  
on the remote. This places the unit in the Stand-  
by mode, and the Power Indicator will turn  
2
on the front panel or the Power  
on the remote control. Note  
will turn blue. To  
Information Display  
STATION NOT AVAILABLE, and will go  
back to the current radio station.  
7
will show  
0
1
2
0
If no digital stations can be found, the display  
will show NO STATIONS AVAILABLE  
You can now select MANUAL TUNE by  
pressing the Select Button or turn the  
Control Ring to select AUTOTUNE  
.
1
amber to remind you that the unit is ready for  
operation when a power command is received  
from the remote.  
!
8
)
FULL or AUTOTUNE LOCAL to try to  
manually find available stations.  
When you will be away from home for an  
extended period of time it is always a good idea  
to completely turn the unit off by unplugging it  
from the AC wall outlet. Note that the backup  
system in the TU 970 will retain information  
such as programmed presets for 14 days.  
If no stations can be found, please check that  
the antenna is connected correctly and if your  
area is covered by DAB.  
• To dim the brightness of the front panel dis-  
play, press the Dimmer button  
8
on the front  
panel. The first press will dim the lights to half  
normal. A second press will turn the display to  
normal brightness again.  
8 OPERATION  
 
Operation  
Preset Setting  
Function Control  
Signal Error Rate  
Besides having the TU 970 create a station list,  
you can also store presents into the tuners memo-  
ry.  
The DAB mode in the TU 970 contains a menu  
structure to access various system options. To  
enter the menu, press the Function Button on  
In this section you can see the level of correction  
the TU 970 is applying to the DAB signal to  
maintain the audio quality. The level will be indi-  
cated by a numeric value between 0 (no correc-  
tion) and 99 (maximum correction). For an  
acceptable quality, the value of 50 should not be  
exceeded.  
the front panel  
once. To scroll through the list of sections of the  
menu, turn the Control Ring or press the  
Scroll Buttons on the remote control . The  
4
or on the remote control  
6
1. Tune to the desired station with the Control  
Ring  
).  
)
5
2. Press the Memory Button on the front  
sections will be shown on the lower display line  
in the Information Display. To enter a section  
and see the options, press the Select Button  
panel or on the remote control . You will  
see the 01 segments in the Information  
Display will start to blink.  
9
9
7
Select button  
!8. You can scroll through  
the options with the Control Ring and activate  
an option by pressing the Select Button once  
that option is shown on the Information  
Display.  
Station Order  
In this section you can select the way the station  
list is displayed. The options are Favorite Station,  
Alphanumeric, Active Station and Tidy Station.  
3. Turn the Control Ring, until the desired  
station preset is shown in the Information Display.  
The desired preset can also be entered with the  
Numeric Keys on the remote control  
1.  
4. Within 4 seconds, press the Memory Button  
again to store the station in the memory.  
The Favorite Station option will build the station  
list based on the stations that you listen to most  
of the time. These stations will be marked on the  
Information Display with a “Y”-symbol. The  
10 favorite stations will be moved to the start of  
your station list, so you do not always have to  
scroll through the whole list to find your favorite  
station.  
Information settings  
The DAB signal contains besides the radio sta-  
tion additional information. This information can  
be made visible in the lower display line of the  
Information Display  
7.  
The following information is available to display:  
1. Dynamic Label Segment (DLS): scrolling text,  
supplied by the broadcaster.  
2. Program Type: describes the type of broad-  
cast, e.g. Pop Music or Drama.  
3. Multiplex Name: will show the name of the  
multiplex of the broadcaster.  
4. Time and Date.  
5. Bitrate: shows the bitrate of the incoming  
digital signal.  
6. Channel and Frequency.  
The Alphanumeric option is the default setting. It  
will list the stations in numeric and alphabetical  
order.  
To change between the options, press the Info  
Button on the front panel  
5
or on the remote  
control . Note that the upper display line will  
3
The Active Station option will sort the station list  
by quality of the signal. The stations with the  
best reception will be shown on top of the list.  
Stations with weak or no reception will be  
moved to the bottom of the list.  
always show the actual station. Pressing the  
Info Button again will show the next option.  
When you have found the information you  
would like to display, press the Select Button  
!
8
to activate the change.  
The Tidy Station option will do the same as the  
Active Station option, but will remove the sta-  
tions in your area with no reception.  
OPERATION 9  
 
Operation  
Station Selection  
1. Press the Band Selector  
panel or on the remote control  
either the FM or AM band.  
Auto Preset  
Preset Tune  
3
7
on the front  
to select  
Preset stations may also be programmed auto-  
matically for the entire FM band. To automatical-  
ly enter each station that may be tuned with  
acceptable quality into the TU 970’s preset  
memories, first select the FM band. Next, press  
In this section you can tune presets of stations  
that broadcast only periodically, stations which  
were not found during the Autotune process. If  
you return to this preset in the future, and at  
that time is does not broadcast, the display will  
2. Press these buttons again at any time to  
switch between AM, FM and DAB.  
and hold the Memory Button  
9
9
until the  
show STATION NOT AVAILABLE  
.
station frequency indication begins to increase.  
Release the button and note that the tuner will  
search the entire FM band, and stop briefly at  
each station that has acceptable signal strength.  
The TU 970 will automatically assign a preset  
number to each station, and then search for the  
next station.  
3. Press the Select button  
Auto Tune mode from the following options:  
Manual Tune, Auto Tune or Preset Tune.  
!
to select the  
Software Version  
This section allows a visual check of software  
version installed in your TU 970. This might be  
helpful in case servicing of your tuner may be  
necessary.  
4. To automatically search for the next higher- or  
lower-frequency station that has an acceptable  
signal turn the Control Ring on the front panel  
Dynamic Range Control (DRC) Value  
)
or press the Scroll buttons  
5
on the  
NOTE: Using the automatic tuning mode in  
areas with more than 30 FM stations will com-  
pletely fill the preset memories, and overwrite any  
previously memorized presets for either AM or  
FM stations.  
In this section you can set the level of compres-  
sion of stations to eliminate the differences in  
dynamic range or sound level between radio sta-  
tions. Popular music would normally be more  
compressed than classical music, resulting in  
possible different audio levels when changing  
from one station to the other. Setting the DRC to  
remote pressed and release it as soon as the  
tuner starts the frequency search. To tune to the  
next station, turn the ring again.  
To manually search, select the Manual Tune  
mode by pressing the Select button  
!
until  
TIP: The automatic scan process may enter  
stations that you do not wish to retain in the  
memory. These unwanted stations may be  
removed from the memory by pressing the  
the Information Display shows Manual Tune.  
Turn the Control Ring to increment the fre-  
quency step by step. When the Information  
Display shows TUNED, the station is properly  
tuned and should be heard with clarity.  
0
means no compression, 1/2 indicates  
medium compression and shows maximum  
1
compression. No compression is recommended,  
especially for classical music. Note that other  
radio stations may be far louder, and make  
therefore sure that amplifier levels are not set  
too high when changing from one station to  
another.  
Memory Button  
9
9
once the preset to be  
deleted is shown on the display. Within 5  
seconds press the Clear Button on the remote  
NOTE: When the FM reception of a stereo sta-  
tion is weak, the audio quality will be increased  
by switching to Mono mode by pressing the FM  
control  
2
to confirm the deletion.  
Recalling Preset Stations  
Mode Selector  
4
on the front panel so that  
To manually select a station previously entered  
in the preset memory, press the Numeric Keys  
the STEREO indication changes to MONO  
.
Manual Tune  
In this section you can activate Manual Tuning,  
in case the Autotune function is unable to find  
any stations. You can also use Manual Tuning to  
assist in positioning the antenna for best recep-  
tion of a specific station.  
Preset Tuning  
1
that correspond to the desired station’s  
Up to 30 FM and 30 AM stations may be stored  
in the TU 970’s memory for easy recall using the  
remote control. In order to program preset  
stations into the memory, you must use the front  
panel controls.  
memory location. To manually tune through the  
list of stored preset stations one by one, press  
the Select Button  
Display shows Preset Tune. Turn the Control  
Ring or press the Scroll Buttons on  
!
8
until the Information  
)
5
FM/AM Tuner Operation  
the remote control to scroll through the list of  
presets.  
The TU 970’s tuner is capable of tuning AM, FM  
and FM Stereo broadcast stations. Stations may  
be tuned manually or automatically, or they may  
be stored as favorite station presets and recalled  
from a 30-position memory.  
To enter a station into the memory, first tune the  
station using the steps outlined above. Then:  
1. Press the Memory Button  
panel or on the remote control  
9 on the front  
9. Note that  
CH01 starts blinking in the lower display line  
of the Information Display.  
2. Within four seconds, turn the Control Ring  
)
until the Information Display shows the  
corresponding location where you wish to store  
this station’s frequency.  
3. Press the Memory Button again to confirm.  
4. Repeat the process after tuning any additional  
stations to be preset.  
10 OPERATION  
 
Operation  
• In any FM mode the RDS function requires a  
strong enough signal for proper operation. If you  
receive a partial message or see any RDS indica-  
tor going on and off, try slowly adjusting the  
antenna to improve the signal strength or tune  
to another, stronger, RDS station.  
You may search for a specific Program Type  
(PTY) by following these steps:  
RDS Operation  
RDS (Radio Data System) transmits station call  
signs or network information, station program  
type, text messages about the station or  
specifics of a musical selection and the correct  
time.  
1. Press and hold the RDS Button  
the Information Display will show RDS  
PROGRAM TYPE  
5
3
until  
.
2. Turn the Control Ring on the front panel to  
scroll through the list of program types. Once  
you have found the program type you would like  
Program Search (PTY)  
RDS Tuning  
A major benefit of RDS is its ability to encode  
broadcasts with Program Type (PTY) codes that  
indicate the type of material being broadcast.  
The following list shows the abbreviations used  
to indicate each PTY along with an explanation  
of the PTY:  
When an FM station is tuned in and it contains  
RDS data, the TU 970 will automatically display  
the Program Service, which is the station’s call  
sign, in the lower display line of the Informa-  
tion Display, with some private stations also  
offering other information changing every 2 to 5  
seconds.  
to listen to, press the Select Button  
!.  
3. Turn to Control Ring again to start the PTY  
Search.  
When a station is tuned, the search will stop  
and the display will show the station’s “Call Let-  
ters” or other “Program Service” information.  
NEWS: News  
CURRENT AFFAIRS: Current Affairs  
INFORMATION: Information  
TRAFFIC: Traffic information  
SPORT: Sport  
RDS Display Options  
When an RDS station is tuned, press the RDS  
Button on the remote control  
To turn off the PTY Search at any time, press the  
RDS Button again.  
3
or on the  
front panel to cycle through the RDS  
5
NOTE: Many stations do not transmit a specific  
PTY. The display will stay blank when such a sta-  
tion is selected and PTY is active.  
displays in the following order:  
EDUCATION: Education  
DRAMA: Drama  
• The Program Service or Station Name.  
• The current time of the day CLOCK TIME  
as transmitted by the station. It will take 3-5  
seconds for the time to appear. In the meantime  
the word RDS CLOCK TIME will flash in  
the display. Note that the accuracy of the time  
message is set by the radio station, not by the  
TU 970.  
Processor Reset  
CULTURES: Culture  
In the rare case where the unit’s operation or the  
displays seem abnormal, the cause may involve  
the erratic operation of the system’s memory or  
microprocessor.  
SCIENCE: Science  
VARIED SPEECH: Varied  
POP MUSIC: Pop Music  
ROCK MUSIC: Rock Music  
EASY LISTENING: Easy Listening Music  
To correct this problem, first unplug the unit  
from the AC wall outlet and wait at least three  
minutes. After the pause, reconnect the AC  
power cord and check the unit’s operation. If the  
system still malfunctions, a system reset may  
clear the problem.  
• The Program Type (PTY) as shown in the fol-  
lowing list in this manual.  
LIGHT CLASSICS M: Light Classical  
Music  
• A Radio Text message, containing special  
information from the broadcast station. Note  
that this message will scroll across the display to  
permit messages longer than the positions in the  
display. It will take 3 seconds for the text message  
to appear, in the meantime the word RDS  
RADIO TEXT will flash in the display. If no  
Radio Text is available, the display will show the  
Program Service (Station Name).  
SERIOUS CLASSICAL: Serious  
Classical Music  
OTHER MUSIC: Other Music  
WEATHER & METR: Weather  
FINANCE: Finance  
To reset the TU970, press and hold the Func-  
tion/FM Mode Button  
the Information Display shows FACTORY  
RESET  
4
for 5 seconds, until  
.
CHILDREN’S PROGS: Children's  
Programmes  
Note that when the system is reset, all tuner  
presets will be lost and must be reentered.  
SOCIAL AFFAIRS: Social Affairs  
RELIGION: Religion  
If the system is still operating incorrectly, there  
may have been an electronic discharge or severe  
AC line interference that has corrupted the  
memory or microprocessor.  
• Traffic Announcement. When selected,  
TRAFFIC ANNOUNCE will blink for 3  
seconds. After 3 seconds, the tuner will scan the  
FM band searching for available traffic  
announcements.  
PHONE IN: Phone In  
TRAVEL & TOURING: Travel  
LEISURE & HOBBY: Leisure  
JAZZ MUSIC: Jazz Music  
If these steps do not solve the problem, consult  
your dealer or an authorized Harman Kardon  
service center.  
• The station’s frequency. Some RDS stations  
may not choose to include some of these addi-  
tional features. If the data required for the  
selected mode is not being transmitted, the  
COUNTRY MUSIC: Country Music  
NATIONAL MUSIC: National Music  
OLDIES MUSIC: Oldies Music  
FOLK MUSIC: Folk Music  
Information Display will show a NO PTY NO  
,
TEXT or NO TIME message after the indi-  
vidual time out or will switch back to the previ-  
ous display.  
DOCUMENTARY: Documentary  
ALARM TEST: Alarm Test  
ALARM-ALARM !: Alarm  
OPERATION 11  
 
Troubleshooting Guide  
This unit is designed for trouble-free operation. Most problems users encounter are due to operating errors. If you have a problem, first check this list for a  
possible solution. If the problem persists, consult your authorized Harman Kardon Service Center.  
If the problem is...  
Make sure that the...  
No lights appear when System Power button is pressed  
Unit is plugged into a live outlet.  
Make sure the outlet is active.  
No sound is heard  
Tune to an active station.  
Check for correct amplifier settings.  
Check the connections and wires.  
Sound distorts, particularly in stereo mode.  
Intermittent or continuous buzzing or hissing.  
Display says 'No stations Available'  
Use a more directional antenna.  
Place the unit farther away from these appliances. Install noise filters on the appliances.  
Check that antenna is connected.  
Ensure that DAB coverage exists in your area.  
Display has gone blank or says 'service off air'  
This may occur if a broadcaster changes the label of a service or removes a label whilst you  
are listening to it. Try to retune to this station, using the Autotune procedure.  
12 TROUBLESHOOTING GUIDE  
 
Technical Specifications  
FM Section  
Frequency Range  
87.50 MHz to 108.00 MHz (50 kHz steps)  
Signal-to-Noise Ratio 65dB (Mono) 60dB (Stereo)  
Presets  
30  
Section  
Frequency Range  
522 kHz to 1620 kHz (9 kHz steps)  
Signal-to-Noise Ratio 35dB  
Presets  
30  
DAB Section  
RF Section  
Band lll, 174MHz-240MHz  
Input: 50 Ohm, nominal  
Max signal: -3dBm typ  
Sensitivity: -96dBm typ  
Adjacent Channel Rejection: 35dB typ  
Display  
2 line by 16 character DOT Matrix  
10  
Presets  
Audio Output  
Stereo, 2.5V P-P  
48kHz sample rate 16 bit sample resolution  
Optical S/PDIF  
IEC60958 Compliant  
48kHz sample rate 24 bit sample resolution  
General  
Power Requirement  
Power Consumption  
230-240V AC, 50Hz  
9W  
3W (standby)  
Dimension (Max)  
Width  
Height  
Depth  
442mm  
63mm  
299mm  
Weight  
3.4kg  
Depth measurement includes knobs, buttons and terminal connections. Height measurement includes feet and chassis.  
All features and specifications are subject to change without notice.  
Harman Kardon and Power for the Digital Revolution are registered trademarks of Harman Kardon, Incorporated  
TECHNICAL SPECIFICATIONS 13  
 
250 Crossways Park Drive, Woodbury, New York 11797  
Harman Consumer International:  
2, Route de Tours, 72500 Château-du-Loir, France  
© 2003 Harman Kardon, Incorporated  
Part CQX1A887Z  
 

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