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SF-4000


Running the Calendar function



Unfolded



Side view



Top and back sides



Inside. The all-in-one controller and 32 KB memory chips come from Nec.
Note that 2 serial ports (TX & RX) are available and functioning. A hidden function allows to send and receive data.
Provision is made for a second 32 KB memory chip.




The box



User manual


More Info

See also pictures of its twin brother, the Tandy EC-319.