Quick Guide for TM-D710Knox County RadiosD710 Panel Showing the Default ConfigurationGeneralThe two sides of the display are termed Band A (left) and Band B (right). These havenothing to do with the frequency bands. The D710 is set up so that packet (SARTrackand RMS Express) work with Band A. Voice as well as data signals from the SignaLinkuse Band B. This provides the ability to quickly move from voice to digital data (e.g.NBEMS) without having to make any adjustments. If packet is not being used, Band Acan also be used for voice but not for data. The radio can listen on both bandssimultaneously but can only transmit on one band at a time.The SignaLink cable connects to the data port at the back of the RF deck. This is themini-DIN socket beside the power leads. There is another mini-DIN socket beside thisone. This is only for programming the radio. The serial cable (PG-5G) for packetconnects to the rear-left of the radio’s control head.The standard APRS frequency is 144.390. The 1200 baud Maine packet frequency is145.010. The 1200 baud Knox County packet frequency is 433.100.Pressing the round knob at the lower right of the control head sets the active voicechannel. This places the PTT on Band B. This is the default position.Pressing the TNC button activates the internal TNC. This is to the right of the screen.Repeated pressing will cycle through several other modes. If no mode display appears inthe window, the TNC is disabled and Band A may be used for voice.The following sections describe the most commonly used adjustments. When ever theradio is programmed to settings other than the default shown in the figure, the radio mustbe returned to the default settings prior to shut down.