USB + Aux Connectivity
Bluetooth Technology: The Alpine
UTE-42BT features built-in Bluetooth (ver. 3.0) technology. The
head unit's built-in Bluetooth allows you to make and receive phone calls
wirelessly through the receiver; as well as stream music wirelessly from your
smartphone to the head unit. In order to use Bluetooth wireless
technology, your phone must also be Bluetooth compatible and be able to
interpret certain profiles. This unit is compatible with the following Bluetooth
- Hands-Free Communication: HFP 1.5 (Hands Free Profile), HSP
(Head Set Profile), OPP 1.1 (Object Push Profile), PBAB 1.0 (Phone Book Access
- Audio Streaming: A2DP 1.2 (Advanced Audio Distribution
Profile), AVRCP 1.3 (Audio/Video Remote Control Profile).
Note: Due to the differences in Bluetooth technology, some
Bluetooth enabled devices may be incompatible, function improperly, or may
not support all features when used with the Alpine UTE-42BT.
Pairing: The Alpine UTE-42BT can be paired to up to five
Bluetooth enabled mobile devices (only one device can be used at a time)
Hands-Free Communication: The head unit supports Bluetooth
hands-free communication for your Bluetooth enabled mobile phone (including
iPhone & Android). The controls of the KDC-BT555U can be used to dial a number,
answer an in-coming call, or end a call. The unit also includes an external
microphone, so you can carry on your side of the conversation while listening to
the caller through your vehicles speakers.
- Receiving Calls: The Alpine UTE-42BT provides a couple ways
to answer your phone calls without picking up your mobile phone. Incoming calls
are announced by a caller ring tone through your vehicle's speakers (music will
be muted) & a Caller ID message across your Alpine head unit's display.
- Manual Answer: Manually answer an incoming call by
pressing the "Phone" button on your Alpine head unit.
- Automatic Answer: Set the Alpine head unit to answer
the incoming call automatically; when a call is received, it is answered
automatically after approximately 5 seconds.
- Call Waiting: If a second call is received during a
current call, you can have the first caller wait momentarily while you take
the second call. When you are finished with one call, you can switch to the
- Placing Calls: The Alpine UTE-42BT provides a variety of
functions for placing a phone call without using your mobile phone. The Alpine
UTE-42BT features full phone book access, call history, voice tag dialing, and
redial with compatible phones.
- Voice Dialing: If you have a voice-dial capable phone,
you can dial a phone contact by simply speaking the name of your contact.
- Phonebook (with ABC search): Up to 1,000 entries (3
telephone numbers for each name) can be downloaded from your compatible
mobile phone. You can select the first 3 call letters (ABC) to search for a
desired name in your phonebook.
- Preset Dialing: You can assign phone numbers that you
dial frequently to presets (1-6) for quick recall. You can assign up to six
frequently called phone numbers. A total of 18 phone numbers can be stored
in the preset memory (6 numbers for each mobile phone paired).
- Call History: The previously dialed, received, or
missed numbers (20 each) can be retrieved and dialed from memory.
Note: During a conversation, you can initiate a
transfer of audio between your mobile phone and your car's speakers. mute
External Microphone with Noise Cancellation: The included
external microphone (with visor-clip) allows you to speak to the other party on
the telephone call hands-free, while the other party's voice is played through
your car stereo speakers. The external microphone is tuned and engineered to
reduce noise interference and feedback. This allows optimal placement in your
car, for the best possible sound quality. You can adjust the microphone's volume
level; and even mute the microphone, so your voice will not be heard by the
caller. The external microphone measures 0.5625"
(diameter) x 1.625" (deep); and features an attached 13' cable terminated by
a right-angle male 3.5mm connector.
Wireless Audio Streaming (w/ Metadata Display): The Alpine
UTE-42BT also supports wireless audio playback (AD2P) and control (AVRCP) of a
Bluetooth enabled audio player or smartphone (including iPhone & Android). The
UTE-42BT will be able to control basic playback functions of your Bluetooth
device's stored music; such as Play/Pause, Skip Next/Previous, Fast
Forward/Rewind and Random/Repeat. The head unit will also display your stored
music's song information; such as Artist name and Song/Album title. The
UTE-42BT also supports audio streaming of music apps downloaded on your
smartphone with metadata display and limited control. Advanced music control of
your music apps will still need be done via your Bluetooth-enabled smartphone.
When an incoming call or outgoing call is in progress from your Bluetooth
enabled mobile phone, audio streaming will be paused so you can take your call.
Once the call is finished, your streaming music will resume.
Siri Eyes Free Control: When paired and connected with an
iPhone 4S or 5/5C/5S via Bluetooth (not USB), the Alpine UTE-42BT has the
ability to access Siri through its front-panel controls and external microphone.
Simply press-and-hold down on the head unit's Answer Button to engage Siri and
use the included microphone to communicate with Siri. Siri's voice will heard
through your vehicle's speakers. All Siri functions including hands-free
calling, music search, setting reminders, text-messaging, audible navigation,
and more can be done through the UTE-42BT and its microphone. The head unit's
display will only indicate hands-free calling and Bluetooth audio information
(all other functions of Siri are only audible through the Alpine UTE-42BT;
visual data will still need to be viewed from your iPhone device).
Note: You can ask Siri to get directions to a destination
and the turn-by-turn instructions will heard through your vehicle's
speakers, while the on-screen map still displays on your iPhone 4S/5/5C/5S. The
head unit's audio is attenuated while Siri provides audible directions.
Bluetooth Sound Quality Adjustments: You can customize the
sound of your Bluetooth hands-free experience to fit your own preferences. You
can adjust the UTE-42BT's mic gain, phone output, & ring tone volume. If that's
not enough, there are 5 sound quality settings to choose from to get the balance
just right for you. This flexibility will make your phone calls a pleasurable
- Volume Adjustments: You can emphasize or weaken the
volume level of phone call, the ring tone, and the microphone input to fit
your own preference. The Phone Talk Level, Ring Tone, & Mic Gain are all
adjustable between -5 to + 5 dB.
- Sound Types: This unit provides 5 methods to improve
the sound quality of your calls. You can choose the type according to your
own preference - Type 1 (standard mode), Type 2 (enhances noise reduction),
Type 3 (enhances echo-cancellation), Type 4 (enhances both noise reduction &
echo cancellation), & Type 5 (weakens both noise reduction &
Speaker Output: You can select which car speaker outputs the
audio from your Bluetooth-enabled mobile phone/device.
- All: The audio will be output from all of the speakers
in the car
- F-L: The sound is only output from the front left
- F-R: The sound is only output from the front right
- F-LR: The sound is output from the front left and front
iPod/iPhone USB 1-Wire Connection: You can connect your iPod or
iPhone to the head unit's front-panel USB port using the Alpine KCU-445i iPod/iPhone
cable (500KCU445I, sold separately) or the iPod/USB cable that came with
your iPod/iPhone to get access to all of your iPod/iPhone's stored music, right
from the head unit. If you have an iPod nano (7th gen), iPod touch (5th gen), or
iPhone 5; use the Lighting-to-USB cable that came with your Apple device to connect
to the head unit. Using either cable allows audio playback, music navigation,
information display, and charging of select iPod/iPhone models from the UTE-42BT.
- Audio Playback w/ DAC Bypass: The Alpine UTE-42BT supports audio
playback of music, podcast, and audiobook files stored on your iPod or iPhone;
as well as music apps downloaded on your Apple device. The
USB connection allows your iPod/iPhone's large music libraries to be loaded instantly
to the Alpine head unit and sound quality to be maximized through the head unit's
1-bit D/A converter, allowing for a Signal to Noise ratio up to 105dB.
- Music Navigation: You can choose to control the
iPod/iPhone from the head unit or from your iPod/iPhone's clickwheel or
touchscreen (App Direct Mode).
- Head Unit: The Alpine UTE-42BT lets you navigate the stored music
on your iPod/iPhone by Playlist, Artist, Album, Song, Genre, Podcast,
Composer, Audiobook, or Genius Mix. You can then search these categories alphabetically.
For especially big music libraries, the Percentage Search function uses the
preset buttons for quick jumps to specific parts of the list (Preset 1: 0-6%, Preset 2: 17-32%,
Preset 3: 33-49%, Preset 4: 50%-66%, Preset 5: 67-82%, Preset 6:
83-100% of the song library). The head unit also offers three Shuffle
playback modes (Album/Song/All) and one Repeat mode (song).
- App Direct Mode: In App Direct Mode, you can navigate the stored
music on your iPod/iPhone from its clickwheel or touchscreen. You can also
listen to your favorite music apps (such as
Slacker) from your iPhone (iOS 3.0+) through the Alpine head unit.
Basic playback functions, such as Play/Pause and Previous/Next Track are
available from the head unit. You will continue to use your iPhone's
touchscreen to navigate advanced functions of your music apps. Not all apps
will be compatible with this mode. Access to your iPhone's downloaded
applications will depend on the availability of a cellular and/or WiFi
network for purposes of allowing your iPhone to connect to the Internet.
- Information Display: The UTE-42BT will display your
iPod/iPhone's music file information when you are controlling your
iPod/iPhone from the Alpine head unit or the Apple devices
clickwheel/touchscreen. The head unit will display Track number, Elapsed
playing time, Artist name, Song title, and Album label. The unit will also display
station identification and song/artist information from select music apps.
- iPod/iPhone Charging: While connected and the ignition
switch is set to ACC or ON, the head unit's USB connection will power and charge
your iPod/iPhone. If your iPod/iPhone has no initial battery charge,
then the unit will not recognize it. This unit does not charge the iPad.
iPod/iPhone Compatibility Chart: The Alpine UTE-42BT is "Made
for iPod/iPhone" compatible and supports the following iPod/iPhone model
features (as of 2/5/2014):