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3415-1. Basic Operations
5
Lexus Display Audio system
NX300h_U_OM78007U ■
When using the screen ●
Under extremely cold conditions, the Lexus Display Audio controller may react slowly.●
If the screen is cold, the display may be dark, or the system may seem to be operating
slightly slower than normal. ●
The screen may seem dark and hard to see when viewed through sunglasses. Change
your angle of viewing, adjust the display on the “Display” screen ( P. 352) or remove
your sunglasses. ■
Using cellular phones
Interference may be heard through the audio system’s speakers if a cellular phone is
being used inside or close to the vehi cle while the audio system is operating.
WA R N I N G ■
Using the Lexus Display Audio controller
Be careful when touching the Lexus Display Audio controller in extreme temperatures
as it may become very hot or cold due to the temperature inside the vehicle. ■
Laser product ●
CAUTION
USE OF CONTROL OR ADJUSTMENT OR PERFORMANCE OF PROCE-
DURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARD-
OUS RADIATION EXPOSURE. ●
CAUTION
THE USE OF OPTICAL INSTRUMENTS WITH THIS PRODUCT WILL
INCREASE EYE HAZARD.
NOTICE ■
To prevent Lexus Display Audio controller malfunction ●
Do not allow the Lexus Display Audio controller to come into contact with food, liq-
uid, stickers or lit cigarettes as doing so may cause it to change color, emit a strange
odor or stop functioning. ●
Do not subject the Lexus Display Audio controller to excessive pressure or strong
impact as the controller may bend or break off.■
To prevent 12-volt battery discharge
Do not leave the audio system on longer than necessary when the hybrid system is off.■
To avoid damaging the audio system
Take care not to spill drinks or other fluids on the audio system.
Page 343 of 681
3435-1. Basic Operations
5
Lexus Display Audio system
NX300h_U_OM78007UMobile Assistant Press and hold the off hook switch
until you hear the beeps that indicate
the system is listening.
The Mobile Assistant can be used
only when the neighboring screen is
displayed. To cancel the Mobile Assistant, select
“Cancel”, or press and hold the off hook
switch.
To restart the Mobile Assistant for addi-
tional commands, press the off hook
switch. Mobile Assistant can only be
restarted after the system responds to a
voice command. After some phone and
music commands, the Mobile Assistant
feature will automatically end to com-
plete the requested action.The Mobile Assistant feature will activate Apple’s Siri
Eyes Free mode via
the steering wheel switches. To operate the Mobile Assistant, a compatible
cellular phone must be registered and connected to this system via
Bluetooth
. ( P. 3 8 2 ) 1
2
Page 344 of 681

344 5-1. Basic Operations
NX300h_U_OM78007U ■
Adjusting the volume
The volume of the Mobile Assist ant can be adjusted using the
“ PWR·VOL
” knob or
steering wheel volume switches. The Mobile Assistant and phone call volumes are syn-
chronized. ■
Microphone
It is not necessary to speak directly into the microphone when using the Mobile Assis-
tant. ●
Wait for the listening beeps before using the Mobile Assistant. ●
The Mobile Assistant may not recognize commands in the following situations:
• When spoken too quickly.
• When spoken at a low or high volume.
• When the roof or windows are open.
• When passengers are talking while th e Mobile Assistant is being used.
• When the air conditioning syst em’s fan speed is set high.
• When the air conditioning vents ar e turned toward the microphone.■
Mobile Assistant precautions ●
The available features and functions may vary based on the iOS version installed on the
connected device. ●
Some Siri features are limited in Eyes Free mode. If you attempt to use an unavailable
function, Siri will inform you that the function is not available. ●
If Siri is not enabled on the cellular phone connected via Bluetooth
, an error message
will be displayed on the screen. ●
While a phone call is active, the Mobile Assistant cannot be used. ●
If using the navigation feature of the cellular phone, ensure the active audio source is
Bluetooth
audio or iPod in order to hear turn by turn direction prompts.
Page 345 of 681
3455-1. Basic Operations
5
Lexus Display Audio system
NX300h_U_OM78007UUSB/AUX ports Lift the lid while pushing the button
to release the lock.
Open the cover.Connect an iPod, USB memory device or portable audio player to the USB/
AUX port as indicated below. Select “iPod”, “USB”, “AUX” or “A/V” on the
audio source selection screen and the device can be operated via Lexus Dis-
play Audio system.
Connecting using the USB/AUX port 1
2
Page 347 of 681
347 5-2. Setup
5
Lexus Display Audio system
NX300h_U_OM78007USetup menu “Setup” screen: “MENU” button “Setup”
Change the settings for operation
sounds, screen animation, etc.
( P. 3 4 8 )
Adjust the settings for voice guid-
ance volume and voice recognition
prompts. ( P. 3 5 1 )
Change the settings for registering,
removing, connecting and discon-
necting Bluetooth ®
devices.
( P. 384, 385, 386, 387)
Change the settings for FM radio, iPod, etc. ( P. 3 5 5 )
Change the settings for vehicle customization. ( P. 6 3 3 )
Change the settings for phone sound, phonebook, etc. ( P. 4 0 3 )The Lexus Display Audio system can be adjusted to the desired settings.
Display “Setup” screen 1
2
3
4
5
6
Page 348 of 681
348 5-2. Setup
NX300h_U_OM78007UGeneral settings “General Settings” screen: “MENU” button “Setup” “General”
Change language. The selectable languages may differ
depending on the model or region.
Set the beep sound on/off.
Change the button color.
Change the startup image and
screen off image. ( P. 3 4 9 )
Set the animation effect on/off.
Delete personal data ( P. 3 5 0 )
Update program versions. For details, contact your Lexus dealer.
Update gracenote database versions. For details, contact your Lexus dealer.
Display the open source license.Settings are available for adjusting the operation sounds, screen animation,
etc.
Screen for general settings 1
2
3
4
5
6
7
8
9
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349 5-2. Setup
5
Lexus Display Audio system
NX300h_U_OM78007U Go to “Customize Images”: “MENU” button “Setup” “General”
“Customize Images”
Select “Set Images” and then select the desired image.
Set as startup image.
Set as screen off image.
Set as startup image and screen
off image.■
Adding an image
Connect a USB memory device. ( P. 3 4 5 )
Select “Copy from USB” on the “Customize Images” screen and then
select the desired image.
Move the controller to the left and then select “Copy”. Up to 10 images can be downloaded.■
Deleting images
Select “Delete Images” on the “Customize Images” screen and then select the
desired images. ■
USB memory
When saving the images to a USB memory device, name the folder that the images are
saved to “Image”. ●
Compatible device formats
The following device format can be used:
• USB communication format: USB2.0 FS (480 Mbps)
• File system format: FAT16/32 (Windows)
• Correspondence class: Mass storage class
The following types of files can be used:
• The image’s file format must be JPEG.
• The file name may only contain ASCII characters. ●
JPEG file compatibility
Compatible image size: Maximum 5MBCustomizing images 1
2
1
2
3
1
2
3
Page 351 of 681
351 5-2. Setup
5
Lexus Display Audio system
NX300h_U_OM78007UVoice settings Go to “Voice Settings”: “MENU” button “Setup” “Voice”
Adjust the voice guidance volume
setting.
Set the voice recognition prompts
on/off. ■
Return to the default settings
Move the controller to the left and select “Default”.You can adjust the guidance volume setting. 1
2