I have had a ts-440 since the late 1980's and only recently replaced it with 
a TS-590. My 440 is still working wonderfully well but I have seen the 
"bounce" in the keypad that you described, great rig none the less,
73's
Albert, WA7FXB
----- Original Message ----- 
From: "Butch Bussen" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Saturday, June 15, 2013 8:39 PM
Subject: Re: Kenwood TS-440 question


> As far as I know, the keyboard is no longer available.  I have owned a
> couple 440s and they're a great rig.  I bought my first one when they
> came out in 85.
> 73
> Butch
> WA0VJR
> Node 3148
> Wallace, ks.
>
>
> On Sat, 15 Jun 2013, Danny Dyer wrote:
>
>> Debby and all, the keybounce was quite common in a group of, but not
>> all, of the 440S.  there was also a problem with bad compound in some
>> of them.  Kenwood did repairs on many of the rigs, and there are
>> several Kenwood repair persons who can still do the repairs.  I've
>> owned and successfully used several of the 440SATS over the years, and
>> to me at least, they're ___Still one of ___The Best, Most Accessible,
>> and most comfortable rigs to operate and listen to, whether the
>> operator is blind or sighted.
>> If you wish, I'll go back through my slightly "packratted" email, and
>> get you a name, address, and phone number of a good Kenwood Tec/I'm
>> not_ on any kind of retainer and have no financial connection with any
>> repair shop.
>> HTH, Danny Dyer, Wb4idu.
>>
>> On 6/15/13, Lou Kolb <[log in to unmask]> wrote:
>>> Mine did it too, Debee.  Not reliably, though so I imagine it's a 
>>> problem of
>>>
>>> pad key wear.  Great rig, though.
>>> ----- Original Message -----
>>> From: "Deborah Armstrong" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Saturday, June 15, 2013 6:44 PM
>>> Subject: Kenwood TS-440 question
>>>
>>>
>>>> Kelvin asked me to do an accessibility review of the TS-440.
>>>>
>>>> I've used mine on and off for several years, and am using mine a lot 
>>>> this
>>>> week.
>>>>
>>>> But, I purchased the thing used, and it has a problem that I'm not sure
>>>> is
>>>> common to them all or specific to my unit. Don't want to mention it in 
>>>> my
>>>> review if it's just a problem with my rig.
>>>>
>>>> When I enter a frequency or a memory location, using the mode keys 
>>>> which
>>>> double for this function, the keys "bounce". Bouncing is a firmware
>>>> programmer's term for the problem but I'm not sure what the layperson's
>>>> term
>>>> is. Typematic, perhaps.
>>>>
>>>> Basically, if you touch a key, it sometimes repeats, so touching five
>>>> enters
>>>> three fives instead of a single five.
>>>>
>>>> I have to be very careful to not hold a key down even for the tiniest
>>>> fraction or it will repeat.
>>>>
>>>> Because this rig was one of the first with a Microprocessor -- I 
>>>> believe
>>>> it
>>>> was a Z80, they probably didn't do much in its firmware to avoid key
>>>> bounce.
>>>> But then again, it could be a hardware problem -- sticky keys. I don't
>>>> have
>>>> the famous Dot problem, but I've been careful to keep it in dry
>>>> locations.
>>>>
>>>> Anyway, if this bounce annoyance is common to the TS-440 I'd like to
>>>> mention
>>>> it as an access issue, but maybe my swap meet special is the only rig
>>>> with
>>>> this glitch.
>>>>
>>>> --Debee [KF6BKR]
>>>>
>>>
>>
>>