[1000mp] FT1000MP Field TUNE mode

[Ian White, G3SEK]

>
>John Passaneau wrote:
>> Yep that the tune button.
>> > All that's in the FH-1 is resistors and normal open switches. When you push
>> a button your grounding one of 12 resistors. On http://www.va3cr.net/ there
>> is a drawing of the FH-1, its very simple to make a box with a push button
>> and a resistor that plugs into the field and mimics the pad. I went ahead
>> and made my own full copy of the pad, but all that is need is one resistor
>> and a normal open switch. By the way the drawing suggest using high
>> precision resistors, but normal 1% resistors work just fine.

If all you need is the "tune" function, 22k + 3.3k in series will do it.

Menu 4-3 sets the power level for tuning.

With a home-made control box, you can also switch the amplifier 
off-line.


-- 
73 from Ian G3SEK         'In Practice' columnist for RadCom (RSGB)

http://www.ifwtech.co.uk/g3sek