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ZL3AI > APRDIG 26.12.06 22:47l 230 Lines 7626 Bytes #999 (0) @ WW
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Subj: [APRSSIG] Vol 30 #24, 1/1
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To : APRDIG@WW
Today's Topics:
1. Re: Plug and Play USB-to-RS232? (Ben Jackson)
2. Re: Plug and Play USB-to-RS232? (Gary)
3. D700 in cold weather? (Joel Maslak)
4. RE: D700 in cold weather? (Dave Sloan)
5. Re: D700 in cold weather? (James Smith)
6. Re: D700 in cold weather? (Gary)
7. Re: D700 in cold weather? (Bob Gould)
8. Re: D700 in cold weather? (Rich Mazzeo)
9. RE: D700 in cold weather? (Richard L. Beggs)
10. Re: D700 in cold weather? (Bob Burns K4RXR)
11. Happy CHRISTmas ( KC0RNP )
----------------------------------------------------------------------
Message: 1
Date: Sun, 24 Dec 2006 10:52:42 -0800
From: Ben Jackson <ben_at_ben.com>
Subject: Re: [aprssig] Plug and Play USB-to-RS232?
On Sun, Dec 24, 2006 at 05:29:13AM -0800, M J wrote:
>Does anyone know of a windowsXP natively recognized USB-to-RS232 dongle?
>All I have is USB and I really dont want to add another driver to my
>computer if I can avoid doing so. Thanks! MJ
Almost all of them have The FTDI or Silabs chipsets. XP does not have
native drivers for those. The drivers are fairly painless, though. If you
don't trust the packaging of the drivers done by the dongle manufacturer,
you can get the virtual comport drivers directly from FTDI or Silabs.
If you have an existing "GPS mouse" or other product with an internal
USB-to-serial adapter, you may already have the driver installed.
(the link someone else suggested also requires a driver, from Philips)
--
Ben Jackson AD7GD
http://www.ben.com/
------------------------------
Message: 2
Date: Sun, 24 Dec 2006 11:45:33 -0800
From: Gary <n6lrv_at_cox.net>
Subject: Re: [aprssig] Plug and Play USB-to-RS232?
Why don't you want to add anymore device drivers to your PC? Are you
confusing drivers with plugins? This doesn't make any sense. There are
likely hundreds of device drivers already on your PC so another legitimate
one won't make any difference except to allow the related device to
communicate with your PC's OS and programs. One of the biggest problems
with today's PC users is that they fail to update the BIOS and device
drivers already on their PC's so manufacturers have to resort to automatic
updating as well as those annoying popup notices in an effort to reduce
customer dissatisfaction and support calls. Gary
------------------------------
Message: 3
Date: Sun, 24 Dec 2006 20:23:11 -0700
From: Joel Maslak <jmaslak-aprs_at_antelope.net>
Subject: [aprssig] D700 in cold weather?
Does anyone have D700 in cold weather experiences?
Is it normal for the fan to run in extreme cold (it seems to not run very
much, or at least not loud enough for me to hear, when warm). My current
theory is that the temperature control system thinks a "too cold"
measurement means "sensor failed" or some such and turns up the fan all the
way. It's certainly not transmitting enough to get warm.
The other possibility is that I have bearings going out in the fan, and
that's why it's a bit louder. So I'm curious about people's experience
with it in cold weather. I'm getting really tempted to disconnect the fan,
as it's not good for it to run in the extreme cold either way (my usual
rule for electronics that go in the car is "no moving parts" because of the
temperature extremes - obviously the D700 fails that test, and I broke my
rule - that'll teach me! A big heat sink would have been a much better
idea, like even the cheap Alincos do).
(for reference, "cold" is -5F and colder)
------------------------------
Message: 4
Date: Sun, 24 Dec 2006 21:06:06 -0700
From: "Dave Sloan" <desloan_at_earthlink.net>
Subject: RE: [aprssig] D700 in cold weather?
Hi Joe,
I have never had a problem with my D700 in cold weather. I have never
noticed the fan running excessively.
73 and good luck,
Dave N0EOP
------------------------------
Message: 5
Date: Sun, 24 Dec 2006 23:15:11 -0500
From: James Smith <k9apr_at_tawg.org>
Subject: Re: [aprssig] D700 in cold weather?
Never had a issue with mine, and we can have some big temperature swings
here in Indiana especially this time of the year.
73,
K9APR
------------------------------
Message: 6
Date: Sun, 24 Dec 2006 20:24:09 -0800
From: Gary <n6lrv_at_cox.net>
Subject: Re: [aprssig] D700 in cold weather?
Hmmm... according to my info from Kenwood there is no temperature control
system in the D700 instead (and like many kenwood mobiles) the fan is
designed to turn on when the radio is keyed and turn off after a
predetermined time has passed (probably a FET or 555 timer or similar
controlling this). A better idea would have been to position the fan to
actually cool what gets hot instead of blowing into a flat surface but then
Kenwood has done that with many radios. Unless your radio's fan actually
says 'ball bearings' on it then it probably has bushings and they get noisy
pretty quick. I haven't seen a Kenwood mobile yet come equipped with a fan
that has ball bearings but I haven't seen everything yet.
73,
Gary
------------------------------
Message: 7
Date: Mon, 25 Dec 2006 02:32:41 -0800 (PST)
From: Bob Gould <bobg575_at_yahoo.com>
Subject: Re: [aprssig] D700 in cold weather?
Guys,
I think that is the issue. The fans can make quite a bit of noise and in
the cold they are even louder. Most likely you only notice the fan noise
when cold. In Maine we get the large swings in temps and when cold you can
hear the fan much easier.
Bob
n1wjo
------------------------------
Message: 8
Date: Mon, 25 Dec 2006 05:38:35 -0500
From: "Rich Mazzeo" <forummail_at_richmazz.com>
Subject: Re: [aprssig] D700 in cold weather?
I agree. My D700 fan got noisy about 2 months prior to seizing altogether.
It has been seized for well over a year and a half with no ill effets at
room temp. The fan starts up only after being keyed no matter what the temp
is, same as in the TM-V7a.
--
Rich
N3XKU
------------------------------
Message: 9
Date: Mon, 25 Dec 2006 03:51:16 -0700
From: "Richard L. Beggs" <brichard281_at_qwest.net>
Subject: RE: [aprssig] D700 in cold weather?
Go the partstore at:
http://www.partstore.com/ProductDetail.aspx?ProductSKU=3208274&ProductType=P
ART&ModelID=255859
Order a new fan and get rid of the noise and the worry. Works at a Mile
High!
***************************************************
Richard K0AEM 145.430
***************************************************
------------------------------
Message: 10
Date: Mon, 25 Dec 2006 08:33:21 -0500
From: Bob Burns K4RXR <k4rxr__at_rlburns.net>
Subject: Re: [aprssig] D700 in cold weather?
At 10:23 PM 12/24/2006, Joel Maslak wrote:
>Does anyone have D700 in cold weather experiences?
I have a D700 that is now entering its 4th Central Indiana winter in the
mobile.
As others have stated, the fan is not thermostatically controlled, but is
controlled by a simple off-delay timer that is activated whenever the PTT
is keyed.
I noticed a couple of months ago that my fan was making noise whenever the
radio was first keyed after sitting in a cold vehicle for several hours.
After the fan runs a while and/or the vehicle heater starts making the
interior a little warmer, the noise is reduced.
Sounds to me like it's time to replace my fan.
Bob...
------------------------------
Message: 11
Date: Mon, 25 Dec 2006 15:25:26 +0000
From: " KC0RNP " <kc0rnp_at_kc0rnp.net>
Subject: [aprssig] Happy CHRISTmas
Happy CHRISTmas
Sent via BlackBerry from Cingular Wireless
------------------------------
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