CASIO Casiotone MT-70

via this auction
The style reminds me of the Roland Gaia.

" * 49 midsize keys
* built-in speaker
* 8 note polyphony (4 notes with accompaniment)
* separate knobs for main and rhythm + accompaniment volume
* tempo knob
* 10 semi- OBS preset rhythms {rock 1, disco, swing, samba, beguine | rock 2, march, waltz, bossanova, tango} selected by a 5-step slider + switch
* 20 preset sounds {pipe organ, tibia, flute, piano, vibraphone, jazz organ 1, chorus, wah brass, funky, synth bells | wood wind, full tibias, oboe, celesta, xylophone, jazz organ 2, synth brass, cosmic flute, banjo, chime} selected by 10 OBS buttons + "select" button
* "casio chord" switch {off, fingered, on}
* "accomp. select" switch {rhythmic, arpeggio}
* chord memory switch (chords stay held after releasing key when on)
* "octave down" switch (transposes main voice 1 octave down, works only in chord mode).
* rhythm "intro/ fill-in" and synchro buttons
* sustain switch
* vibrato switch {off, on, delayed}
* sequencer with edit feature (345 note steps + 100 chord steps, monophonic main voice + 7 standard chords)
* 2 "one key play" buttons (to step note by note through sequencer musics)
* "melody guide" keyboard play training feature with key lighting (37 red & green LEDs above the keys)
* Input for a barcode reader pen to load songs from special song books into the sequencer
* LCD display shows the selected preset sound, the current chord and the current sequencer step number
* CPU "NEC D7802G 038, 8319EX" (64 pins with zigzag layout) which outputs trigger pulses for external analogue drums and controls 2 soundchips "HD43517, 3G 43" (42 pins) those output timbres based on 2 mixed digital sine(?) wave tones with different digital envelopes.
* analogue percussion {base, snare, open cymbal, close cymbal, woodblock} which uses transistor noise for cymbal and snare
* tuning knob
* headphone and line output jack

MEASUREMENTS:
63.5cm L x 18.5cm D x 6cm T"