[aprssig] D-710A Question

[Rory Burke]

Here's one for you D-710A experts out there..

When the radio is in APRS mode, is the data terminal on the back of  
the radio active as well? Can that jack be used for injecting data and  
keying the radio while in APRS mode? What I want to do is use a  
TinyTrak3 to control the transmit instead of the built-in algorithms.

Thanks and 73,

Rory Burke - K5MBH