How are the pins counted on the 8 pin cable?  Lokoking from wich end of 
the plug?
73
Butch
WA0VJR
Node 3148
Wallace, ks.


On Sat, 11 May 2013, Steve Forst wrote:

> After putting this off for a number of years, I finally decided to build
> a box to give me more PF keys for the 590.  Turns out I had all I needed
> right here.   It's not completely complete yet, since I have to drill
> holes for switches, but it has  been  wired up temporary and seems to work.
>
> Main component is an old MFJ TNC to radio interface.    The KAM is long
> gone and I clipped the 13 pin DIN off it some time ago, but it has an 8
> pin round mic jack on the front and  8 wire mic cable  with plug coming
> in the rear.
>
> Also had the needed switches and other odds and ends  laying around.
> One thing I learned is that the 590 will let you change the UP/DOWN
> buttons into additional PF keys,  so I will wind up with 6 pf keys on
> the box and the original 2 on the radio.
>
> Anyone using a microphone with UP/DOWN buttons can reassign them as PF
> keys if you don't need the UP/DOWN function.
>
> Also added an RCA jack for PTT, and a 1/8 jack for mic input, since the
> mics I use  all the time have  1/8 plugs.   Maybe later I'll add  a mic
> input for  a condenser mic, using the 8 vdc found  on pin 5 of the  8
> pin cable.
>
>
> 73, Steve KW3A
>
>