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From: John on 27 Jul 2010 17:49
When you're using these ELM327 devices, do you need to have your
engine turned on or should they still work with it off?
From: Jim on 27 Jul 2010 21:19
In article <10lu4693lfkd6i4gon7tjb4rv33re65mtg(a)4ax.com>, John
<bomb(a)ymix.com> wrote:

> When you're using these ELM327 devices, do you need to have your
> engine turned on or should they still work with it off?

The ignition always has to be on, but the engine can either be running
or not.

--
Jim
From: Harry Bloomfield on 28 Jul 2010 11:59
John laid this down on his screen :
> When you're using these ELM327 devices, do you need to have your
> engine turned on or should they still work with it off?

Either, depending upon what you are trying to do.You can download and
clear codes with just the ignition on, or see the live data with the
engine running.

--
Regards,
Harry (M1BYT) (L)
http://www.ukradioamateur.co.uk


From: Harry Bloomfield on 29 Jul 2010 11:41
It happens that John formulated :
> How long is the cable? If you're using a serial port, 50 feet (approx 15
> metres) is the maximum, if using USB, 5 metres is the maximum. Any longer
> than that and the data you get won't be readable/reliable.

USB cables can be extended if you insert a USB Hub at the 5m point,
then you can use another 5m extension.

--
Regards,
Harry (M1BYT) (L)
http://www.ukradioamateur.co.uk


From: Fraser Johnston on 29 Jul 2010 22:23

"Clive George" <clive(a)xxxx-x.fsnet.co.uk> wrote in message
news:admdnd-C7qtAPMzRnZ2dnUVZ8g4AAAAA(a)brightview.co.uk...
> On 28/07/2010 18:42, John wrote:
>> On Wed, 28 Jul 2010 16:59:42 +0100, Harry Bloomfield
>> <harry.m1byt(a)NOSPAM.tiscali.co.uk> wrote:

> Schlepp the desktop + monitor out to the car? Ok, bit tedious, but it stands
> a chance of working, and mains extension leads tend to be reliable.

I saw a bluetooth obd2 reader on ebay the other day out of china for less than
30 quid delivered. May be a better option. Or just borrow a friends laptop
for the day.

Fraser



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