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Input sequences and menus

Input sequences and menus. Constraints: keypad size: only 10 numbers and *, # consistency: cancel key should always be the same key, etc. numerical entry required for COUNT – can’t have number keys triggering options when user is trying to enter numerical input

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Input sequences and menus

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  1. Input sequences and menus • Constraints: • keypad size: only 10 numbers and *, # • consistency: cancel key should always be the same key, etc. • numerical entry required for COUNT – can’t have number keys triggering options when user is trying to enter numerical input • need for global commands to be always accessible, except during numerical entry mode • ease of use (commonly used commands grouped together) • 1 = Weight, 2 = Count across all modes • Globals: 3 = Tare, 4 = Gram ↔Ounce, 5 = Mute ↔Unmute • 6, 7, 8, 9: extra menu options for Factory mode • 0: Factory ↔ User mode (+ confirmation for entering Factory) • * = OK, # = cancel / go up a menu level

  2. Menus – User mode

  3. Menus – Factory mode

  4. Menus – Multi-step routines Numerical entry mode here – temporarily deactivates ability of input to affect settings

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