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13654Re: TNC Wiki - Kenwood TM-D710 Port (APRS mode)

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  • kf4lvz
    Nov 3, 2011
      --- In aprsisce@yahoogroups.com, James Ewen <ve6srv@...> wrote:
      > On Wed, Nov 2, 2011 at 7:35 PM, <kb8uih@...> wrote:
      > > Kenwood needs to be in "Packet" mode to be controlled by
      > > outside program. Has Lynn made a work around for this?
      > As this thread is directed at the Kenwood TM-D710, the answer is "No"
      > to the requirement of needing to be in Packet mode, and "Yes", Lynn
      > has made a work around which allows APRSISCE/32 to control the Kenwood
      > TM-D710 while the Kenwood TM-D710 is in APRS mode.
      > This type of control is also available in the Kenwood TH-D72. It is
      > not available in the older TM-D700, nor TH-D7 radios.

      This is a half-truth. It is possible on the D700 and D7 (same TNC) to drop out of TNC control mode into radio control mode in either of the TNC conditions (packet or APRS) via the serial port as long as KISS is not enabled. In both cases it would allow a host program to alter various internal menu options including activating the TNC in a specific mode. If KISS is enabled, the TNC has to be dropped out of KISS first and back into command mode before you can drop out of that to rad\io control mode. Once in radio control mode, many of the internal APRS functions are available and the radio can be sort of commanded to do things like transmit a particular packet. However it would take a lot of programming on the host side to achieve this including trying to do tests to determine what mode the radio is in.
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