Roadstar HRA-1750D+BT Manuel D'instructions page 6

Mute sound
You can mute the sound temporarily. During play, press the MUTE button to mute or
unmute sound.
Note: If you change the volume or source when the sound is muted, muting is cancel-
led.
Adjusting the Super Bass
You can reinforce the bass sound to maintain rich, full bass at low volume.
Press the S-BASS button on the remote control to get the effect, the "BASS ON" will
show in the LCD. Press again to cancel the effect, the "BASS OFF" will show in the
LCD.
Controlling the Loudness
This unit has a loudness function, which can automatically increase the bass sound ef-
fect at low volume. It can also increase the bass sound effect at high volume, but it will
be relatively less when it is at high volume.
Press the LOUDNESS button to obtain the loudness function, the "LOUD ON" will show
in the LCD. Press again to cancel the effect, the "LOUD OFF" will show in the LCD.
Presetting Equalizer
You can adjust the sound according to the genre of the music your taste.
During play, repeatedly press the P-EQ button on the remote control to select your pre-
ferred sound mode: FLAT, POP, JAZZ, ROCK, CLASSIC.
Changing the Front Panel Darkness
To dim or brighten the display, repeatedly press the DIM button on the remote control to
the desired brightness.
DAB+ RADIO OPERATION
Caution: Before listening to the radio, please check that the DAB/FM Antenna is cor-
rectly connected and adjusted for length and direction.
Store DAB+ radio stations automatically
1. Rotate the SOURCE knob on the unit or repeatedly press button on the remote
control to select DAB source. The word "DAB" will be displayed on the LCD.
2. Press the SCAN button to activate automatic program mode. The word
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"SCANNING" will be displayed on the LCD.
IF NO DAB service is available, "NO DAB" will be display.

All available stations are programmed.

 The system will store all detected stations at completion of the scanning, the system
will turn to a station on the list.
Store DAB+ radio stations manually
1. Tune to a radio station.
2. Press the PROG button on the remote control to activate program mode.
3. Repeatedly press the PRESET +/- buttons on the unit or PRESET / buttons on the
remote control to allocate a number to this radio station. If you select more than 30,
the preset number will be changed to "1" automatically.
4. Press the PROG button on the remote control again to store the station.
5. Repeat above steps 1 to 4 for each station you want to store in memory with a pre-
set number.
Auto Tuning
Repeatedly press the TUNING +/- buttons on the unit or  buttons on the remote
control to change the frequency until you find the station you want.
Manual Tuning
1. Long pressing the   button for 2 seconds or more to enter the manual tuning
mode.
2. Press the "  " buttons on the remote control to select your desired DAB channels
backward / forward.
3. Press the   button to confirm and tune to your selected channel.
Tuning to Preset DAB+ Stations
Repeatedly press the PRESET +/- buttons on the unit or PRESET  /  buttons on
the remote control until the desired preset station is displayed. The unit will tune to the
selected station automatically.
DAB+ Information Display
You can view the DAB+ service information in the following modes. Depending on the
DAB+ radio station you are tuning to, some information modes may be unavailable.
Repeatedly press the INFO button on the remote control to view the following informa-
tion.