Kawai CA1000 Owner's Manual page 28

The CA piano's built-in recorder is easy to use and is perfect for practice
and basic recording needs. For those individuals interested in using this
instrument for more complex digital recordings, the CA piano can be
connected to an external MIDI sequencer or a personal computer. Please
read chapter 3. Using MIDI to learn about the CA piano's MIDI and Multi-
timbral capabilities.
24 KAWAI DIGITAL PIANO CA1200, CA1000