I was setting the Tx frequency only when we were in Tx mode, but the Icom 705 will accept the command to set the Tx frequency even when in Rx mode, so there is no need to check the PTT state before sending the command.
I was setting the Tx frequency only when we were in Tx mode, but the Icom 705 will accept the command to set the Tx frequency even when in Rx mode, so there is no need to check the PTT state before sending the command.