This release - when the Secondary CAT Port's Protocol selector is set to Icom, provides an Interrogate selector that enables Secondary CAT Port operation with an Icom-emulating application like the Perseus Control Software that does not implement "CI-V Transceive", or with an Icom transceiver whose "CI-V Transceive" setting is disabled (tnx to Fabio IZ8MBW) - enables an Icom PW1 amplifier connected to Commander's Secondary CAT port to accurately track the frequency and mode of the Icom or non-Icom transceiver connected to Commander's Primary CAT port (tnx to Jamie W2QO) * sends the PW1 alternating frequency and mode update messages every 2.5 seconds to prevent collisions on the Secondary CI-V bus * display a red "PW-1 Alert" indicator in the secondary CAT port panel if a "report frequency" or "report mode" message is received from the PW1 - Provides "Follow Alternate VFO when Split" and "Follow & Lead Alternate VFO when Split" options in the Secondary CAT Port panel (tnx to Jim W8WY) - provides the option to capture and display Secondary CAT port messages in the Messages window, and provides a new "native" option in the Messages window's "Message Display" panel for viewing CAT messages in their most natural representation (tnx to Jamie W2QO) - updates the Configuration.htm, ControllingMultipleRadios.htm, and MonitoringMessages.htm documentation files Step-by-step instructions for configuring Commander to control an Icom PW1 amplifier via its Secondary CAT Port are available via Commander 8.4.8 is available via the DXLab Launcher and via 73, Dave, AA6YQ