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Conference terri::cars_uk

Title:Cars in the UK
Notice:Please read new conference charter 1.70
Moderator:COMICS::SHELLEYELD
Created:Sun Mar 06 1994
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:2584
Total number of notes:63384

1700.0. "ARI reception" by LARVAE::LINCOLN_J () Thu Feb 20 1992 16:09

	I've now got a car radio with "ARI", which is described as the
	system for obtaining traffic information automatically. It 
	doesn't however have RDS.

	Well I've pressed the buttons according to the manual and it
	seems to be doing the right things but nothing at all has 
	been received.

	Am I right in assuming that there is nothing being transmitted
	or has anyone out there ever managed to get a response on this
	system?.

	-John
T.RTitleUserPersonal
Name
DateLines
1700.1Probably not being broadcast.DCC::HAGARTYEssen, Trinken und Shaggen...Thu Feb 20 1992 17:073
1700.2RDS worksOSI::ROBINSONOSI Upper Layer ArchitectThu Feb 20 1992 17:5811
I have RDS feature on my car radio. It works as expected when on Cassette - i.e.
interrupts the cassette when there is a traffic flash and then returns automatically.

The annoying feature is that when listening to radio and `info' is pressed,it
immediately looks for the local radio station irrespective of whether there
is any traffic information.

RDS itself is very useful on long trips. Automatically selecting the strongest
signal for the particular national radio station

	Dave
1700.3LARVAE::LINCOLN_JFri Feb 21 1992 11:5018
>			... It works as expected when on Cassette - i.e.
>interrupts the cassette when there is a traffic flash and then returns automatically.

	This is what mine does except that it hasn't picked anything up yet.

>The annoying feature is that when listening to radio and `info' is pressed,it
>immediately looks for the local radio station irrespective of whether there
>is any traffic information.

	Ditto. It has to do this because there's only one tuner and it	
	can't receive two channels at once.

	I think ARI is for "Automatic Route Information"

	I expect that one day when I am inextricably stuck in an enormous
	jam it'll burst into life and tell me what I already know!.

	-John
1700.4and mine changes colourSUBURB::SPRULESAFri Feb 21 1992 16:2213
    
    On mine, which had RDS and ARI, the LCD display changes colour when the
    ARI is actually in use, a lot of radio stations don't broadcast
    information that ARI picks up, this is a good idea.
    
    It interrupts tapes and (I think) increases in volume when your just
    listening to the radio.
    
    I agree RDS is a pain in weak signal areas as it gives you bits of
    different stations.
    
    Andy
    
1700.5Empirical observations.DCC::HAGARTYEssen, Trinken und Shaggen...Mon Feb 24 1992 13:5822
Ahhh Gi'day...

    RDS is  NOT  the  traffic system.  It's an identification and selection
    system, RDS helps to keep track of the station you're on (not good with
    weak signals though). National/State stations have this here.
 
    There's another  system  which  also  produces the name of the station,
    which  is  NOT  RDS (AK? SK? something like that).  A lot of commercial
    systems here have that.

    Then there's  the  traffic  system,  which lights up the "info" on mine
    (Philips),  and  will  cause an interruption to the playing tape.  Both
    commercial  and  National/State  stations  use  this.  The older system
    gives you a letter that tells you the information that it displays.  It
    also keep searching for a stronger station that is broadcasting traffic
    info,  prefereably  with  the  same letter (you find a station with the
    letter for the autobahn you're on, and it keeps it).

    The traffic interruption is an audible signal over the radio, which the
    unit  picks up, then stops the tape/cd and turns on the radio until the
    signal  is  repeated.  There's no info in the display, it just switches
    to the radio.
1700.6ARI only broadcast on a few stations... JANUS::BROWNTue Mar 03 1992 20:0916
John,

ARI is only broadcast around Reading on BBC Radio Berkshire (104.1MHz) and GLR
whose frequency I can't remember.  GLR reception west of Reading is poor.

I agree that on the whole you'll probably get the traffic warning when you're
in the jam.

I have the Blaupunkt Montreux which changes the display colour when ARI is
available - but it also does this when the signal is weak on BBC R4.

I'm now waiting for the next generation of ARI sets which will interrupt one
station with traffic information from another, as I typically listen to Radio 4
and want the Berkshire traffic news.

Mike.