[aprssig] ic-706 mk2 cat cable

John Wiseman john.wiseman at cantab.net
Fri Jan 24 03:02:00 CST 2014


The IC706 MK2 does not support PTT over CAT, just frequency and mode
control, so he will need a hardware PTT interface, as well as the audio

You can get USB to TLL serial converters, which could be used to build a
combined CI-V data interface and an RTS controlled PTT. (CI-V is a 5 volt
TTL level bus). I've used this one (though not for CI-V) 


John G8BPQ

-----Original Message-----
From: aprssig-bounces at tapr.org [mailto:aprssig-bounces at tapr.org] On Behalf
Of MJ Inabnit
Sent: 24 January 2014 02:20
To: aprssig at tapr.org
Subject: [aprssig] ic-706 mk2 cat cable

Hi all:

Have a friend here that owns the 706.  I'm getting him started in 
digital modes etc and never really tried to use CAT with this radio.  
The manual is kind of ambiguous and would like to know if anyone here 
has actually done this and what is required using Vista.  I hope it can 
use a USB cable since his laptop has no serial port.  However, maybe one 
of the USB/serial adapters might have to be used.  I'd really appreciate 
any pointers and help.  The info I've found so far is rather dated.

Thank you,



wishing you well
Jaye, ke6sls--via the acer w/thunderchicken3

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