[Amps] IC-718 and AL-811: Icom manual misleading, interface necessary according to Icom technician

[Will Matney]

I wonder if you got a reply from someone that dont know what they're  
talking about by the sounds of it. Heck, a small 2N2222A will switch the  
load there with room to spare. Surely, they dont have the switching coming  
straight off an IC? I dont have a schematic of it here to look at and see  
what they've done, but that just dont sound right. Also, if it has an  
actual internal relay, even a small reed type at that, it sould switch  
that amount. When they said "either" 16 volts or 2 amps, but not both, is  
a bunch of hogwash. It just sounds to me like a ploy to get around  
warranty work no matter what!

Will



On Fri, 04 Feb 2005 10:52:04 -0800, Martin J. Morgenbesser  
<W7MJM at arrl.net> wrote:

> Regarding my previous post in which I concluded that, according to the  
> specs in the Icom manual, the IC-718 doesn't need an amplifier keying  
> interface for the AL-811:
>
> If one reads the specifications in the IC-718 manual, one would conclude  
> that the IC-718 does not need an external interface to handle the  
> AL-811's 12 volt DC at 100 ma keying line. Well hold the phone. I just  
> received email from an Icom technician who said that if I didn't use an  
> interface, it would damage the IC-718's send relay and that such damage  
> would not be covered under the Icom warranty.
>
> When I asked how such damage could occur, given the specs in the manual,  
> the Icom technician told me that the specs as printed in the manual are  
> misleading and that the IC-718 send relay can only handle "16 volts OR 2  
> amps, not both."
>
> Huh? That doesn't make any sense to me. None-the-less, given Icom's  
> attitude about whose fault it would be if the IC-718's send relay got  
> fried, I decided to invest in the relatively inexpensive insurance of an  
> ARB-704.
>
> Thought you'd all like to know.   
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