how to control external PTT on hermes lite 2 ?

Rolandas LY0NAS All Messages By This Member #3378 Edited Hi, ? I have external amplifier connected to HL2 and it is controlled by external PTT via RCA plug. But I would like to tune external automatic tuner without engaging amplifier. Also I would like to disable external PTT (external amplifier) for some bands also. From schematics it is at different FPGA output from internal PTT for K2 (28 vs 7). ? Regards Rolandas

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