Lexus RX450H Navigation System Owner's Manual page 176

2. SETUP
INFORMATION
●The system will automatically increase
the volume when the speed exceeds 50
mph (80 km/h).
CALL VOLUME SETTING
1
Select "Call Volume" on the "Phone
Sound Settings" screen.
2
Select "-" or "+" to adjust the call vol-
ume.
3
Select "OK".
TRANSMIT VOLUME SETTING
1
Select "Transmit Volume" on the
"Phone Sound Settings" screen.
2
Select "-" or "+" to adjust the transmit
volume.
3
Select "OK".
INFORMATION
●The sound quality of the voice heard from
the other party' s speaker may be nega-
tively impacted.
RING TONE VOLUME
SETTING
1
Select "Ring Tone Volume" on the
"Phone Sound Settings" screen.
2
Select "-" or "+" to adjust the ring tone
volume.
3
Select "OK".
176
RX450h/350_Navi_U
RING TONE SETTING
1
Select "Ring Tone" on the "Phone
Sound Settings" screen.
2
Select the screen button corresponding
to the desired ring tone.
 Ring tones can be heard by selecting the
screen buttons.
3
Select "OK".
INITIALIZING THE SETTINGS
The settings can be initialized.
1
Select "Default" on the "Phone Sound
Settings" screen.
2
Select "Yes".