While I'm not using an 706, but a Syntor X with an XCAT here's the related stuff in my rpt.conf (gleaned mostly from an archived Tom Sawyer post that I found in a Google search)
Yes, the CIV address is in decimal.
When I used to mess with my 706mkIIg with Ham Radio Deluxe, the serial/CIV level converter
I used needed to have one of the handshake leads forced on to power the interface. I want to say DTR, but not sure.
If that's the case I also remember seeing a way to set a ttyS to do that. But again, memory fails me as to the command (setserial ?).
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functions = functions-remote
link_functions = functions-remote memory = memory ; Section to hold memory entries (optional) remote = xcat ; Radio Command format ; remote=ft897 for Yaesu FT-897 or ; remote=rbi for Doug Hall RBI1 ; remote=kenwood for Kenwood mobiles such as the TMG707A ; remote=ic706 for the Icom IC-706 ; remote=xcat for Syntor X with XCAT board civaddr = 32 ; CI-V address in DECIMAL ioport = /dev/ttyS0 ; Specify port for serial port (optional) iospeed = 19200 ; COMM port speed dusbabek = yes ; Not sure what this is but it needs to be there uthlevel = 0 ; Remote base authentication level ; authlevel = 0 : Anyone can use it ; authlevel = 1 : Requires log in, Waits for Tx key to ask for it ; authlevel = 2 : Requires log in, asks for it automously ;mars = 1 ; set=1 for IC-706 w/MARS mods (optional) ; remote_inact_timeout=0 ; Inactivity timer for remote base nodes only (set to 0 to disable). remote_timeout=5400 ; Session time out for remote base. (set to 0 to disable) split2m = 600 ; Set the default tx split to 600 KC
[memory] ;Syntax : CC=RRR.RRR,PPP.P,AAAAA ; C=Channel Number ; R=RX Frequency ; P=PL Frequency ; A=Attributes ; ;Attributes : a=AM b=LSB f=FM u=USB ; l=Low Power m=Medium Power h=High Power ; -=Minus TX Offset s=Simplex +=Plus TX Offset ; t=TX PL on r=RX PL on ; init=147.540,123.0,shrt ;Set to this on startup 00=145.510,123.0,sh 01=145.530,123.0,sh