My THP HL 1.2 KFX can also make use of a light probe.    There are 5 
fault LED's for overdrive, high reflected power, overvoltage on the 
finals, internal fuse blown on the finals, or over heat condition.

No auto band switching, but I'm usually smart enough to set the band switch.

73, Steve KW3A

On 5/2/2013 10:47 AM, David W Wood wrote:
> Kelvin
>
> The Elecraft KPA500 is very accessible-  turn it on and go!
> If it goes into fault condition though, a light probe is useful to determine
> if the fault light has gone on
>
> ATB
>
> David W Wood
>
> -----Original Message-----
> From: For blind ham radio operators [mailto:[log in to unmask]]
> On Behalf Of Kelvin Marsh
> Sent: Thursday, May 02, 2013 3:21 PM
> To: [log in to unmask]
> Subject: Re: mj88
>
> Hi Richard,
>
> I too am interested in the Ameritron solid state amps, from an accessibility
> viewpoint.  One of these days I'll put something together for the Active
> Elements site <smile>.  Meantime, AD5X has some superb reviews at:
>
> http://www.ad5x.com/presentations.htm
>
> He looks at both the older and new ALS-600 which can be fitted with an auto
> band changer, and he writes on the ALS-1300 too.
>
> Best wishes, Kelvin Marsh - M0AID
>
> Working to improve accessibility for radio amateurs with disabilities
>
> www.active-elements.org
>
> For accessibility evaluations of amateur equipment and MP3 manuals
>
>
> -----Original Message-----
> From: For blind ham radio operators [mailto:[log in to unmask]]
> On Behalf Of Richard Fiorello
> Sent: 02 May 2013 15:02
> To: [log in to unmask]
> Subject: mj88
>
> Hi;
> Thanks for the amplifier info.  I guess I should be happy there are no t
> v i complaints.  Are there two different versions with two different
> power supplies?  If one has a switching supply wonder if there are any
> unwanted side effects?
> On an unrelated note, I am the happy owner of a mj88 which is kenwoods
> microphone cable adaptor for the ts480.  I've gotten some conflicting
> info as to whether I have to rewire the thing?  Is it usable as is?
> Thanks and remember be nice to one another.
>