Used a "Maxi-Controller".
Didn't check wall switches.
Checked Soft Start and Old LM465s.
Before CFL Friendly and CFL friendly Appliance Modules.
LM14A and AM14A two way lamp and appliance modules.
Any set of addresses using the same house code. Sent before a function command was sent. Those modules all responded to the function command.
Like B1, B4 then BOn. Both B1 and B4 Modules would turn On.
B1,B2, B4 then BOn. The B1,B2 and B4 modules would respond.
B1,B2,B3 and B4 then BOn. All four would go ON. Then send a B1, B4 then BOff. Only the B1 and B4 Modules would go Off. B2 and B3 stayed On.
I would also agree with the others. With the CM15A discontinued and its successor only a thought for now. I would not expect any AHP Updates to be released.