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My first Lectro experience...what did I do wrong?

 
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Dave

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Since: Jul 07, 2003
Posts: 46



(Msg. 1) Posted: Mon Oct 13, 2003 4:16 pm
Post subject: My first Lectro experience...what did I do wrong?
Archived from groups: rec>arts>movies>production>sound (more info?)

Hi everyone,

I was excited to have the chance to try using a Lectrosonics wireless setup
in a small test shoot the other day (I am a *novice* mixer and have yet to
try all the great Lectro stuff available).
The rental units were a UM195 transmitter and a UCR195 receiver with a TRAM
lav, both operating at 594.150 in Toronto, Canada. Actually, I had two
sytems available and had the problems listed below with both, whether
operating separately or at the same time.
We were in a downtown park with a number of very large office towers looming
on two sides of our setup. One building in particular was extensively made
of a metal and glass exterior.

When I first engaged the unit, everything was great...clean and clear. Once
the actor assumed his first position about 30-40 yards from the receiver I'd
get the odd hit which was an intermittent "zzzzzzzzzzzzzzzzzzttttt" sound
and then back to clarity. As the actor walked closer to the receiver (5
yards or so) things improved for awhile. But alas, soon after it was "hits"
every 2 seconds constantly. I ran a long cable and taped the receiver about
6 feet up a tree, much closer to the actors transmitter...unfortunately no
improvement.Under time constraints, I had to abandon the wireless.

What did I do wrong? Was it necessary to adjust any settings on the units to
remedy this problem? I'd like to be much wiser next time so any insight
would be much appreciated.

Thanks very much.
Dave

P.S. Thanks again Eric Toline and Oleg...your advice re: the HHB Portadat
got me through beautifully!

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Oleg Kaizerman

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Since: Sep 27, 2003
Posts: 111



(Msg. 2) Posted: Tue Oct 14, 2003 12:17 am
Post subject: Re: My first Lectro experience...what did I do wrong? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

> The rental units were a UM195 transmitter and a UCR195 receiver with a
TRAM
> lav, both operating at 594.150 in Toronto, Canada. Actually, I had two
> sytems available and had the problems listed below with both, whether
> operating separately or at the same time.

Are the both systems sitting on the same frequency or the same block?

--
Oleg Kaizerman (gebe) Hollyland

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shooter

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Since: Jul 06, 2003
Posts: 74



(Msg. 3) Posted: Tue Oct 14, 2003 6:10 am
Post subject: Re: My first Lectro experience...what did I do wrong? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Ray Collins wrote>
Were all
> Cell phones off? Did the actor have his cell phone off? Not just vibrate OFF.
> Diversity may have helped if the signal was bouncing off the high
> rises. Was your cell phone next to the 195 receiver? Did you have the
> receiver close to the HHB DAT? Answer no to all questions. ;-)
>
>
To all you knowledgeable folks...how close is too close for a cell
phone or pager to either TX or RX? I'm mainly interested in this in
regards to Lectro diversity systems.
Thanks
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Charles Tomaras

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Since: Sep 21, 2003
Posts: 35



(Msg. 4) Posted: Tue Oct 14, 2003 6:46 am
Post subject: Re: My first Lectro experience...what did I do wrong? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"shooter" <shooter DeleteThis @comcast.net> wrote in message
news:a0d6f1bb.0310140510.eb8660c@posting.google.com...
> Ray Collins wrote>
> Were all
> > Cell phones off? Did the actor have his cell phone off? Not just vibrate
OFF.
> > Diversity may have helped if the signal was bouncing off the high
> > rises. Was your cell phone next to the 195 receiver? Did you have the
> > receiver close to the HHB DAT? Answer no to all questions. ;-)
> >
> >
> To all you knowledgeable folks...how close is too close for a cell
> phone or pager to either TX or RX? I'm mainly interested in this in
> regards to Lectro diversity systems.
> Thanks

I would say a few feet is a reasonable distance for a cell phone that's not
ringing for Lectros that are plugged into a good mixer with good cable.
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Nordy

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Since: Sep 09, 2003
Posts: 11



(Msg. 5) Posted: Tue Oct 14, 2003 10:24 am
Post subject: Re: My first Lectro experience...what did I do wrong? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Your problem sounds very similar to what I encountered with my Lectro
201s. We had a good discussion about the problem in the thread "Best
Wireless Range." What helped the situation the most for me was to set
my two systems to frequencies well separated from one another. I was
encountering the problem with the two systems on adjacent channels.
It was curious to me that the artifacts only happened in the window of
about 30-50 yards, then it got clearer again (only a raised noise
floor) as distance increased or decreased.
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Hans W.

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Since: Aug 19, 2003
Posts: 8



(Msg. 6) Posted: Tue Oct 14, 2003 4:05 pm
Post subject: Re: My first Lectro experience...what did I do wrong? [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Charles Tomaras" <tomarasX.TakeThisOut@comcast.net> wrote
news:MeadnbMlGsbSYxaiU-KYuQ@comcast.com...
>
> "shooter" <shooter.TakeThisOut@comcast.net> wrote in message
> news:a0d6f1bb.0310140510.eb8660c@posting.google.com...
> > Ray Collins wrote>
> > Were all
> > > Cell phones off? Did the actor have his cell phone off? Not just
vibrate
> OFF.
> > > Diversity may have helped if the signal was bouncing off the high
> > > rises. Was your cell phone next to the 195 receiver? Did you have
the
> > > receiver close to the HHB DAT? Answer no to all questions. ;-)
> > >
> > >
> > To all you knowledgeable folks...how close is too close for a cell
> > phone or pager to either TX or RX? I'm mainly interested in this in
> > regards to Lectro diversity systems.
> > Thanks
>
> I would say a few feet is a reasonable distance for a cell phone that's
not
> ringing for Lectros that are plugged into a good mixer with good cable.
>

And it of course depends on how close the cell phone is to a "cell phone
base antennae", if it's close, the cellphone will transmit with less power
to save battery. If base is far away, cellphone will increase the transmit
power to "reach base" and thereby interfere more with everything.... At
least that's how it works here in Scandinavia..

Hans W Hansen
Haly-Tek, Norway
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