[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [SYD] Signals on the Metro Light Rail Line




"Chris Downs" <cvdowns@ozemail.com.au> wrote in message
news:rb3E6.5335$EQ3.189853@ozemail.com.au...
> Is there any equivalent of inadvertent backlighting or phantom lights with
> LEDs?
>
> Chris

Yes. QR has started using white LED's for the Junction Indicators. Signals
GG36 and GG38 at Geebung were notorious for being "phantom lit" from the
sun. The problem has since been rectified but I'm not sure how. Peter Dwyer
may wish to elaborate?


--
Matt Smith
Brisbane, Australia

Email - mattyq1009 at dingoblue dot net dot au

Notice - All comments and opinions made herein are that of the author only
and do not represent the official view of QR. All text included in this post
(and/or reply) is copyright to the author. This message may not be
reproduced in whole or in part without the express written permission of the
author.