AU-520 with two close transmit antennas

rolfl

I currently use a manual antenna switch to switch between an 80m-OCFD for 80-10m and a 60m-Dipole on my single antenna input FTDX10.

I have a AU-520 on order and I would like to understand how ANT1/2 operate.
I would like to eliminate the manual antenna switch and connect as follows:
ANT1 - 80m OCFD
ANT2 - 60m Dipole
RXA - LOG

The 80m OCFD and 60m Dipoles are located close so significant power would be coupled between them. The LOG will be protected using a DXE-RG5000HD RF limiter.

From page 33 in the flex-6000 manual:
- In normal simplex operation, all Slice Receivers are muted when transmitting.
- When Full Duplex (FDX) is enabled, the transmitting Slice Receiver is muted along with all other Slice Receivers on the same antenna. Receivers located on different antennas from the transmitter are not muted during transmission.

Questions:
1) In normal operation (not FDX) what is the implementation of 'muted'?
- Does it mean all receive circuits are safely disconnected from the antenna inputs?
OR
- The signal is just logically zeroed in signal processing?

2) Is it safe to transmit on ANT1/2 with the other antenna connected as long as FDX is not selected?

3) What happens to ANT2 (not selected as RX) if FDX is selected and ANT1-is selected as TX and RXA-is RX? Will ANT2 receiver circuits be disconnected from antenna and thus safe?

Thanks,
Rolf - AA5RL