[Premium-Rx] 3030 keypads

John Perlick p at mn.rr.com
Mon Jun 30 15:22:45 EDT 2003 

Keypad debouncing is best done in software...
----- Original Message -----
From: "Henry Kolesnik" <wd5jfr at oklahoma.net>
To: "refmon" <monitor at referencevideo.com>
Cc: <premium-rx at ml.skirrow.org>
Sent: Monday, June 30, 2003 12:36 PM
Subject: Re: [Premium-Rx] 3030 keypads


> John
> That sounds like a great idea.  I've done a bit of snooping and if I read
it
> right Cubic uses Grayhill 88JB2 which is available from Digi-Key for
$27.74.
> I wonder if anyone can confirm this number as I would like to have
> bounceless keypads on my A model.
> 73
> hank wd5jfr
> ----- Original Message -----
> From: "refmon" <monitor at referencevideo.com>
> To: "Carcia, Frank A. HS" <francis.carcia at hs.utc.com>; "'Herschel
> McCullough'" <w5mc at austin.rr.com>; "Al Klase" <skywaves at bw.webex.net>
> Cc: <premium-rx at ml.skirrow.org>
> Sent: Monday, June 30, 2003 12:30 PM
> Subject: Re: [Premium-Rx] 3030 keypads
>
>
> > Hi Frank et al,
> >
> > As far as I can determine, all the keypad switch assy's are the
> same...it's
> > the overlay and firmware that varies by model & options.  I know you
have
> a
> > few other models...I can't speak for them, but do any of the keys on
3512,
> > etc bounce?
> >
> > I still find it highly suspect that all 3030A's so far have baggy
overlays
> > and bouncy switches....all 3030's have firm overlays and no bounce.
> Before
> > everyone runs out and buys new switches, let's figure out if all the
> 3030A's
> > have bad keypads or if they're simply not debounced.  As a start, I will
> > pour through my manuals .. failing an answer there, I'll check panel
> > interfaces between 3030A and 3030, including PC board # and rev.  If
> > everything there is the same, I'll swap a known-good keypad, which is a
> ton
> > of work, and see if that makes a difference.
> >
> > John Collins
> > ________________________________________________
> > ----- Original Message -----
> > From: "Carcia, Frank A. HS" <francis.carcia at hs.utc.com>
> > To: "'Herschel McCullough'" <w5mc at austin.rr.com>; "Al Klase"
> > <skywaves at bw.webex.net>
> > Cc: <premium-rx at ml.skirrow.org>
> > Sent: Monday, June 30, 2003 06:13 AM
> > Subject: RE: [Premium-Rx] 3030 keypads
> >
> >
> > > I have found a number of different key pad covers going through the
> Cubic
> > > stash. I
> > > have not found a perfect match for the 3030 yet but have some close
> ones.
> > > They appear
> > > to just have a backing that peals off then the pad sticks on the front
> of
> > > the panel.
> > > They appear to have no effect on bounce just a simple membrane. I will
> > look
> > > for switches
> > > if someone can give me a part number or an idea of what they look
like.
> I
> > > found a number of
> > > push buttons but have not looked into the configuration.      fc
> > >
> > >
> > > -----Original Message-----
> > > From: Herschel McCullough [mailto:w5mc at austin.rr.com]
> > > Sent: Saturday, June 28, 2003 11:09 AM
> > > To: Al Klase
> > > Cc: premium-rx at ml.skirrow.org
> > > Subject: Re: [Premium-Rx] 3030 keypads
> > >
> > >
> > > Al, John, etal. as I see my 2 key pads,  the front printed membrane
has
> > > become  " de-laminated "  my words.. away somewhat from the button
> > surface,
> > > and if I rub this face it will for a short time STICK back as it
should,
> > and
> > > the button action seems good to fair in feel and proper responses
during
> > > this time..  but after a short time the membrane face comes away and
> then
> > > when you actuate a key / button it typically will take 2 efforts to
get
> > the
> > > proper response..  a new key pad I think would make these false
> conditions
> > > go away.. I would as a personal preference prefer more response or
> > positive
> > > action when a keypad action is iniated. this is just a personal want..
> > > albeit false, in my mind I am making a more positive command request
and
> > > report..  this might very well be available as a part of replacing
these
> > > pads with new ones that we might order..
> > >
> > > John compares the keypads between a 3030 and a 3030a  ..  and true to
> his
> > > findings, my unit is a 3030a and has the bubbly or mushy pad faces..
my
> > > hour readings indicate on the left unit 4456 and the right unit 7104..
> I
> > > often think about disconnecting these meters , during quite times or
low
> > > volume, the constant  " Ticking " or pulse action of the meters annoys
> me
> > > somewhat..but I haven't done it yet..  All of my modules are sealed
and
> > > unbroken..  S/Ns between the same modules are not all that close.. not
> > using
> > > my sig generator, but using the same signal source and feeding both
> units
> > > thru my Stridsberg coupler, all readings are very similar, not a
> > noticeable
> > > or visible difference in meter or audio actions.. Back to the original
> > > problem.. I hung [ Texanise ] suspended the front control panel from
the
> > > ceiling and overshifted the operating positions, the receivers both
> > respond,
> > > the audio board or pin and wiring is the area where my problem is.. I
> > > overshifted the control panel both ways and the fault tracked with the
> > right
> > > control section.. I used  # 12  romex conductors to jumper power to
the
> > > respective receiver that I was testing..   so I never got into
swapping
> > > modules , as you know and I found out, the audio driver board is
mounted
> > on
> > > the back of the front control panel.. When I re- assemble this .. I
will
> > > swap audio boards, that will pretty much be the final test to isolate
> the
> > > fault.. I have however looked very close at the brown @$%^ connectors
> and
> > > each units wiring seems in order..  but I got into the keypad area and
> now
> > > have 198 parts spewed around that will need re-assembly before I can
> > resume
> > > testing for the original problem..
> > > I followed last weeks keypad discussion with keen interest, so it just
> > > seemed like I was already in that area and partially apart , to just
go
> > > ahead and explore this keypad issue, and try and find a solution while
I
> > was
> > > at it..
> > >
> > > All feedback or other 3030a issues will be greatly welcomed, but this
> > pretty
> > > much concludes my 3030A report till Monday sometime after talking with
> > > someone at Grayhill about replacement keypads.. thanx for the
bandwidth
> > > 73  mac/mc  w5mc
> > > ----- Original Message -----
> > > From: "Al Klase" <skywaves at bw.webex.net>
> > > To: "Herschel McCullough" <w5mc at austin.rr.com>
> > > Cc: <premium-rx at ml.skirrow.org>
> > > Sent: Saturday, June 28, 2003 5:53 AM
> > > Subject: Re: [Premium-Rx] 3030 keypads
> > >
> > >
> > > > Do we know for sure that it's the keypads causing the
> > > > problem rather than lack of proper de-bouncing in the
> > > > electronics?
> > > >
> > > > Al
> > > >
> > > > Herschel McCullough wrote:
> > > > > The Grayhill web site still shows this style that is used with the
> > 3030
> > > > > ..  some others of you might check it out as well and see what I
> might
> > [
> > > > > very likely ] be overlooking and lets discuss and decide how to go
> > > > > forward..
> > > > > and then we say goodbye to the " bubbly "  keypads..  one stroke
> > actions
> > > > > will come back to us 3030 drivers..  mac/mc
> > > > >
> > > > > Located 46 Miles due North of the Alamo
> > > > > and 121 Miles due South of the Western White House
> > > > >
> > > > >
> > > >
> >
> ------------------------------------------------------------------------
> > > > >
> > > > > _______________________________________________
> > > > >
> > > > > Premium-Rx Mailing List
> > > > > To Post: premium-rx at ml.skirrow.org
> > > > > For Info: http://ml.islandnet.com/mailman/listinfo/premium-rx
> > > >
> > > >
> > > > --
> > > > Al Klase - N3FRQ
> > > > skywaves at bw.webex.net
> > > > Flemington, NJ 08822
> > > > Web Page:  http://www.webex.net/~skywaves/home.htm
> > > >
> > >
> > >
> > >
> > > _______________________________________________
> > >
> > > Premium-Rx Mailing List
> > > To Post: premium-rx at ml.skirrow.org
> > > For Info: http://ml.islandnet.com/mailman/listinfo/premium-rx
> > >
> > > _______________________________________________
> > >
> > > Premium-Rx Mailing List
> > > To Post: premium-rx at ml.skirrow.org
> > > For Info: http://ml.islandnet.com/mailman/listinfo/premium-rx
> > >
> >
> >
> > _______________________________________________
> >
> > Premium-Rx Mailing List
> > To Post: premium-rx at ml.skirrow.org
> > For Info: http://ml.islandnet.com/mailman/listinfo/premium-rx
> >
>
>
> _______________________________________________
>
> Premium-Rx Mailing List
> To Post: premium-rx at ml.skirrow.org
> For Info: http://ml.islandnet.com/mailman/listinfo/premium-rx
>

More information about the Premium-Rx mailing list