window Lexus IS F 2008 Navigation Manual

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APPENDIX
294
This navigation system calculates the
current vehicle position using satellite
signals, various vehicle signals, map
data, etc. However, the accurate posi-
tion may not be shown depending on
the satellite condition, road configura-
tion, vehicle condition or other circum-
stances.
The Global Positioning System (GPS) de-
veloped and operated by the U.S. Depart-
ment of Defense provides an accurate cur-
rent vehicle position, normally using 4 or
more satellites, and in some cases 3 satel-
lites. The GPS system has a certain level
of inaccuracy. While the navigation sys-
tem will compensate for this most of the
time, occasional positioning errors of up to
300 feet (100 m) can and should be expec-
ted. Generally, position errors will be cor-
rected within a few seconds.
When your vehicle is receiving signals
from the satellites, the “GPS” mark ap-
pears at the top left of the screen.
The GPS signal may be physically ob-
structed, leading to inaccurate vehicle
position on the map display. Tunnels, tall
buildings, trucks, or even the placement of
objects on the instrument panel may ob-
struct the GPS signals.
The GPS satellites may not send signals
due to repairs or improvements being
made to them.
Even when the navigation system is re-
ceiving clear GPS signals, the vehicle
position may not be shown accurately or
inappropriate route guidance may occur in
some cases.
NOTICE
The installation of window tinting
may obstruct the GPS signals. Most
window tinting contains some metal-
lic content that will interfere with GPS
signal reception of the antenna in the
instrument panel. We advise against
the use of window tinting on vehicles
equipped with navigation systems.
IS F/350/250_Navi_U
(L/O 0712)
Limitations of the
navigation system

Finish
INDEX
313
P
Parental lock
232
......................
Phone # button 38
.....................
Phone Book 153,154,157,158
...........
Phone book lock 166
..................
Playing a disc 210,223
.................
Playing a DVD disc 225
................
Playing a MP3/WMA disc 214
...........
Playing a video CD 236 ................
Playing an audio CD 211 ...............
POI as a destination 80 ................
POI button 38 .........................
POI category change 110 ...............
POI information 30 ....................
POIs near the search point 53 ...........
POIs to be displayed 78 ................
Pop− up Message 87,114 ................
Position/direction calibration 115 ........
Preset memory points 14 ...............
Presetting a satellite radio channel 202 ...
Presetting a station 196 ................
Previous button 38 ....................
PWR·VOL knob 186 ...................
Q
Quick access 14
......................
Quick access touch −screen buttons 38 ...
R
Radio data system 197
.................
Radio ID 200 .........................
Radio operation 195,199 ...............
RAND button 213,218 .................
RDS 197 .............................
Rear corner sensors 281 ...............
Rear view monitor display 287 ..........
Rear view monitor system 272 ..........
Rear window defogger button 250 .......
Rear window defogging 261 .............
Receive on the Bluetooth rphone 141 ....
Reconnecting the
Bluetooth rphone 133 .................
Region codes 238 .....................
Region to search 40 ...................
Registering a group name 161 ..........
Registering area to avoid 101 ...........
Registering home 100,12 ................
Registering preset memory points 14 .....
Registering the phone book data 154 .....
Registering the speed dial 144 ..........
Registering the speed tone 146 ..........
Reordering destinations 72 .............
Resume Guidance 89 .................. Resume Guidance button 86
............
Route guidance screen 66 ..............
Route overview 81 ....................
Route preference 62,77 .................
Route preview 82 .....................
Route switch 10 .......................
Route trace 83 ........................
RPT button 213,218 ...................
S
Satellite radio channel category 201 ......
Satellite tuner 199 .....................
Scale indicator 10 .....................
SCAN button 186 ......................
Screen adjustment 178 .................
Screen configuration touch −screen
switch 10 ............................
Screen layout function 110 ..............
Screen off 178 ........................
Screen scroll operation 28 ..............
Screen setting 180 ....................
Screen size 193 .......................
Search by “Category” 51 ...............
Search by “Name” 47 ..................
Search condition 74 ...................
Search point from destinations 52 .......
Search point via the map screen 52 ......
Searching by group 228 ................
Searching by title 228 ..................
Searching by track 237 .................
Searching for a desired file 217 ..........
Searching for a desired folder 217 .......
Searching for a desired
track or a disc 212 ....................
Security Code 165 .....................
SEEK/TRACK button 186 ...............
Select User button 86 ..................
Selecting a desired disc 210,223 ........
Selecting a desired file 215 .............
Selecting a desired folder 214 ...........
Selecting a desired track 211 ...........
Selecting a group icon 162 ..............
Selecting a language 183 ...............
Selecting a menu item 227 ..............
Selecting a satellite radio channel 202 ....
Selecting a station 196 .................
Selecting the bonus group 229 ..........
Selecting the group 156 ................
Selecting the region to search 40 ........
Sending a tone 140 ....................
Sending a tone by the speed tone 143 ....
Set a Bluetooth rphone 168 .............
Setting and deleting destination 72 .......
Setting home as the destination 17 ......
Setting route 74 .......................
IS F/350/250_Navi_U
(L/O 0712)