Shift Lock Module
Enables one-finger keying via touch switch to suit user, on/off keyboard. Holds SHIFT active about one second, freeing one hand. Speeds keying; helps handicapped. Module, capacitor and LED fit inside all cases.
Timex/Sinclair 1000
KD-81 Keyboard
Full size keyboard conversion. 41 keys with full-size space bar. Allows touch typing. Same key layouts as Sinclair. Two color keytops. Keyboard case holds both keyboard and computer. Commands and graphics spelled out on keytops. Rear cutout allows any RAM to be plugged in.
Typex/81 Keyboard Overlay
Allows “touch typing” and improved game playing. Made of clear, self-adhesive vinyl with key-shaped rectangular holes for easy finger positioning and tactile feedback.
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ZX81 Key-Top Symbols in 3 Colors
Vinyl stickers for standard keycaps, printed in three colors (red, blue and black).
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Buttonset
Overlay with moving keys. Fits over existing keyboard and is held in place by adhesive strips. Keys press the membrane keyboard via specially marked dimples on the underside. Keys are color coded and all functions clearly printed. The filesixty buttonset and Secondbase keyboard are the same mechanism. The filesixty has color keys with black printing.
Color Graphics and Sound
Kit, with 16K RAM. Plugs into ST-50 buffered motherboard.
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Jigsaw Executive Keyboard
Fully cased with 44 full stroke keys. Special features include a beep for every key, a repeat key, and a full space bar. An additional shift key and an “ON-OFF” beep and CPU switch.
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Keypad
Two different keypads available, matching double H keyboard. Both are assembled but unwired, so you can use them either for numerical keypads or as extra keys.
Mozart
Compose yourself: music for the Timex-Sinclair computer. A complete hardware/software package. Three voices, noise channel. Built-in speaker. Plugs into ZX81 or TS1000 without modification. Complete instruction manual included.
QSave
LOAD/SAVE a full 16K in 29 seconds (16 times faster). QSAVE amplifier/filter unit plugs between recorder and computer. A data transfer rate of 4000 plus baud vs 250 on the standard TS 1000.