Have you Enabled TX PTT in PuTTy? If not here are the steps to do so.
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Navigate to the QMX Menu:?Access the QMX putty menu using the appropriate method for your QMX device (e.g., using the on-board keys or a connected computer).
Locate the "Transmit" Setting:?Within the menu, find the setting labeled "Transmit".
Enable Transmit:?Press the "E" key to enable transmission for the selected band.?This allows you to transmit on the chosen band.
Locate the "TX PTT +5V" Setting:?In the same menu, find the option labeled "TX PTT +5V".
Enable PTT +5V:?Press the "E" key to enable the +5V signal on the PTT connector during transmission.?This provides the necessary signal to activate the transmitter.
Verify Settings:?Double-check that both "Transmit" and "TX PTT +5V" are enabled for your desired band to ensure proper operation.?.