I would like to add a 2M mast mounted pre amp to my station. The FT-991A has a
rear jack for tuner and RF power amplifier control. The manual describes each
pins purpose (ex: TX INH, TX GND, GND) but it gives no information on the
function of each pin or more importantly timing information. I would like to
think that I can use these pins with a set of relays to prevent transmission
until the pre amp is taken out of the RF transmit line.
I can not find anything on line after several google search sessions describing
these pins, their affect on the transmitter or showing how anyone else has
used a mast mounted pre amp with the FT-991A (or the FT-991 for that matter).
Any advice on how to proceed would be appreciated.
73
John Young
KM4KMU
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