KDVR3 Elecraft Digital Voice Recorder for K3 Transceiver.
The KDVR3 Digital Voice Recorder allows you to prerecord voice messages to be transmitted and to record received audio. The KDVR3is contained on a single circuit board that plugs into the main DSP board.
This manual describes how install the KDVR3 in your K3. See Digital Voice Recorder (DVR) in your K3 Owner’s Manual for instructions for using the KDVR3.
Only a few basic hand tools are needed (see page 5) to perform the installation. No soldering or wiring is required.