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DAB (Digital Audio Broadcasting)
The Digital Audio Broadcasting (DAB) system transmits several programmes on one frequency
simultaneously, by compressing audio signals, etc.
The group of programmes, which is transmitted on a single frequency is called an “Ensemble”.
Some DAB stations have several ensembles and broadcast diversified programmes.
The number of programmes and the contents which an ensemble provides depend on the broadcast
stations and times. Since DAB programmes are broadcast on several different frequencies, the
same programmes can be enjoyed over larger areas.
The listener could listen to digital radio with an audio quality nearly equal to that of a CD.
If reception deteriorates, the Clarion Receiver DAH923 will switch automatically to the corresponding
FM station (if the signal is provided by broadcasters).
Normally, the receiver searches for the next available ensemble in DAB mode.
DIGITAL RADIO - the next Generation of Radio Experience!!
Features of DAH923
When digital radio is on air it’s benefits can be used. In case of insufficient coverage the receiver
switches automatically to FM.
Additionally this unit provides interference free reception even under worse conditions combined
with the superior sound quality of CD.
When you turn the unit on and select DAB mode, the programme that starts is the one that was
selected before when the power was turned off. If this programme is not available, another programme
will be selected automatically.
Programmes have their own name, just like PS on RDS.
Notes:
• DAB stations may automatically reconfigure their services from time to time. When this happens and the
service (program) you are looking for is no longer available, the receiver automatically looks up another
program in the same DAB Ensemble.
• For sophisticated audio quality, the receiver needs to tune on a DAB Ensemble. While the receiver is
being tuned in to the DAB Ensemble, the audio output is muted. The tuning time is not fixed.
• The following list summarizes the features of the DAH923.
■ Supports All Types of Announcements (Traffic, News, Weather, Others)
■ Pre Selection of Programme Type (PTY), Search and Watch Function for PTY
■ Easy to Use Mode
■ Sophisticated Audio Quality
■ Simple Operation Based on a Newly Developed Man-Machine-Interface
■ High Sensitive DAB Receiver (Band III / L-Band)
■ Individual Announcement Support
■ Automatic Service Following between DAB / FM-RDS
■ Optical Radio Data Interface (RDI) for External Data Servise Decoder and so on
■ Compact Dimensions
2. FEATURES
Digital Radio / DAB Operations
3. SPECIFICATIONS
Digital radio section (DAB)
Tuning system:
PLL synthesizer tuner
Receiving frequencies:
Band III: 174.928 to 239.200 MHz
L-Band: 1452.960 to 1490.624 MHz
Note:
• Specifications and design are subject to change without notice for further improvement.
General
Power supply voltage:
14.4 V DC (10.8 to 15.6 V allowable),
negative ground
Power consumption:
Less than 0.6 A
Weight:
0.5 kg
Dimensions:
178 (W) × 25 (H) × 100 (D) mm
3. SPECIFICHE
3.
CARACTÉRISTIQUES TECHNIQUES
3. TEKNISKA DATA
3. TECHNISCHE DATEN
Sezione radio digitale (DAB)
Sistema di sintonizzazione:
Sintonizzatore sintetizzatore PLL
Frequenze di ricezione:
Banda III: da 174.928 a 239.200 MHz
Banda L: da 1452.960 a 1490.624 MHz
Nota:
∗
Le specifiche e il design sono soggetti a modifiche senza preavviso, in vista di ulteriori miglioramenti.
Generale
Voltaggio alimentazione:
14,4 V CC (consentiti da 10,8 a 15,6 V)
messa a terra negativa
Consumo di corrente:
Meno di 0,6 A
Peso:
0,5 kg
Dimensioni:
178 (L) × 25 (A) × 100 (P) mm
Section radio numérique (DAB)
Système de syntonisation:
Tuner synthétiseur PLL
Fréquences de réception:
Bande III: 174,928 à 239,200 MHz
Bande L: 1 452,960 à 1 490,624 MHz
Remarque:
∗
La conception et les spécifications sont sujettes à modification sans préavis pour des raisons d'amélioration.
Données générales
Tension d'alimentation:
14,4 V CC (10,8 à 15,6 V admissible), masse
négative
Consommation:
Inférieure à 0,6 A
Poids:
0,5 kg
Dimensions:
178 (L) × 25 (H) × 100 (P) mm
Digitalradioteil (DAB)
Tuner-System:
PLL-Synthesizer-Tuner
Empfangsfrequenzen:
Wellenbereich III: 174,928 bis 239,200 MHz
L-Wellenbreich: 1452,960 bis 1490,624 MHz
Hinweis:
∗
Änderungen der technischen Daten und des Designs bleiben zur Produktverbesserung ohne Ankündigung
vorbehalten.
Digital radiomottagare (DAB)
Stationsinställningssystem:
PLL-synthesizerradio
Mottagningsbara frekvenser:
Band III: 174,928 till 239,200 MHz
L-bandet: 1452,960 till 1490,624 MHz
Observera:
∗
Rätt till ändringar för ytterligare förbättringar förbehålles.
Allmänt
Driftspänning:
14,4 V likström (10,8 till 15,6 V tillåtet),
negativ jord
Strömförbrukning:
Mindre än 0,6 A
Vikt:
0,5 kg
Yttermått:
178 (B) × 25 (H) × 100 (D) mm
Programme scan
This function scans through each receivable
programme in a DAB station being received for
10 seconds sequentially. This is useful when you
want to search for a desired programme.
1.
Press the [FNC] button to receive a DAB station.
2. Perform the following operation depending on
the connected model.
• DXZ928R/DXZ828R/DXZ728R
Press the [PS/AS] button. “SERVICE SCN”
lights up and the main unit starts scanning
each programme for 10 seconds sequentially.
Each time the main unit scans, the programme
name is shown in the display.
• ADZ628R
Press the [PS/AS] button. “SCAN” lights up
and the main unit starts scanning each
programme for 10 seconds sequentially. Each
time the main unit scans, the programme
name is shown in the display.
3.
To stop programme scan when a desired
programme is tuned in.
Press the [PS/AS] button.
Manual memory
The main unit has a manual memory function
for DAB programmes. Up to 18 programmes
(6 programmes each) can be preset in the pre-
set memory.
[M1], [M2] and [M3]
1. Press the [FNC] button to select DAB mode.
2. Press the [BND] button to select any one
shown above.
3. Press the [ ] or [ ] button to select a
desired programme.
• DXZ928R/DXZ828R/DXZ728R
4. Press and hold one of the [DIRECT] buttons (1
to 6) for 2 seconds or longer to store the
programme.
• ADZ628R
4. Press the [M] button.
“CH” is lit in the display.
5. Turn the [PRESET] knob clockwise or coun-
terclockwise to select the desired preset
memory.
6. Press and hold the [M] button for 2 seconds
or longer to store that station into preset
memory.
Note:
• The interrupt programme (PTY or INFO) cannot
be written into a manual memory.
Recalling a preset programme
1. Press the [FNC] button to select DAB mode.
2. Press the [BND] button. Each time you press
the [BND] button, the display changes in the
following order:
[M1] ➜ [M2] ➜ [M3] ➜ [M1]...
• DXZ928R/DXZ828R/DXZ728R
3. Press one of the [DIRECT] buttons to recall
a preset programme.
Note:
• Press and hold the [DIRECT] button for 2 seconds
or longer to store the programme currently being
received. (Manual memory)
• ADZ628R
3. Turn the [PRESET] knob clockwise or coun-
terclockwise to recall a preset programme.
AF function
The AF function switches to a different frequency
on the same network in order to maintain
optimum reception.
∗ The factory default setting is “ON”
• DXZ928R/DXZ828R/DXZ728R
∗
If the reception of the current broadcast station
deteriorates, “SID SEARCH” appears in the display
and the radio searches for the same programme
on another frequency.
• ADZ628R
∗ If the reception of the current broadcast station
deteriorates, “SEARCHING FOR SAME
STATION” or “SEARCH” appears in the display
and the radio searches for the same programme
on another frequency.
∗ For details on “AF function”, refer to the section
“RDS operation” of each owner’s manual.
● Switching OFF the AF function
● Switching ON the AF function
LINK function between RDS and
DAB
When the same programme is broadcast by both
RDS and DAB, and this function is ON, the main
unit switches to receiving the broadcast with the
better reception automatically.
∗ The factory default setting is “ON”
∗ For details on “AF function”, refer to the section
“RDS operation” of each owner’s manual.
● AF function between RDS and DAB
Allgemeines
Versorgungsspannung:
14,4 V Gleichspannung (10,8 bis 15,6 V zulässig)
negative Masse
Leistungsaufnahme:
Weniger als 0,6 A
Gewicht:
0,5 kg
Abmessungen:
178 (B) × 25 (H) × 100 (T) mm