Rheem Kee Bass
We have a very funky 1960s Rheem Key Bass Organ
Switched to "Sustain", it plays like a regular organ - press a key and it sounds continuously until you release it. Switched to "Percuss", it plays like a piano. Press and hold a key, and the sound dies out; how fast depends on the setting of the Decay Slow/Fast tab.
The Bass Booster, Mellow/Bright and Fuzz tabs give you a little extra push.
"Star Trek Transporter-style" Bass Booster lever
Tabs: Tone Mellow/Bright, Fuzz Off/On, Mode Sustain/Percuss, Decay Slow/Fast, Power Off/On.