Menu System

Navigate the Data Walker's on-device menu to access tests, settings, and diagnostics.

Button Controls

The device uses a simple two-button interface:

  • Button 1 (Select): Navigate down / Confirm selection
  • Button 2 (Back): Navigate up / Go back
  • Both buttons: Long press to access special functions

Main Menu Structure

Main Menu
├── Tests
│   ├── 6-Minute Walk
│   ├── 10-Meter Walk
│   ├── Timed Up and Go
│   └── Free Distance
├── History
│   ├── View Results
│   └── Export Data
├── Settings
│   ├── Calibration
│   │   ├── Run Calibration
│   │   ├── Manual Entry
│   │   └── Reset to Default
│   ├── Display
│   │   ├── Brightness
│   │   └── Auto-off Timer
│   └── System
│       ├── Run Self-Test
│       ├── Firmware Info
│       └── Factory Reset
└── About

Quick Actions

  • From main menu: Press Select to enter highlighted option
  • During test: Press Select to start/stop recording
  • Any screen: Press Back to return to previous menu
  • Long press Back: Return directly to main menu

Tests Menu

Select from pre-configured clinical tests:

  • 6-Minute Walk: 6-minute timed distance measurement
  • 10-Meter Walk: Gait speed over measured course
  • Timed Up and Go: Mobility and balance assessment
  • Free Distance: Open-ended distance tracking

History Menu

Access stored test results:

  • View Results: Browse past test data by date
  • Export Data: Prepare data for USB transfer

Settings Menu

Calibration

  • Run Calibration: Auto-calibrate against measured course
  • Manual Entry: Enter calibration factor directly
  • Reset to Default: Restore factory calibration (1.0000)

Display

  • Brightness: Adjust OLED brightness (25%, 50%, 75%, 100%)
  • Auto-off Timer: Set screen timeout (1, 5, 10 minutes, Never)

System

  • Run Self-Test: Re-run magnet detection verification
  • Firmware Info: View current firmware version
  • Factory Reset: Erase all data and restore defaults

Display During Tests

During active measurement, the display shows:

┌────────────────────┐
│   10-Meter Walk    │
│                    │
│    12.45 m         │
│                    │
│  Time: 00:08.3     │
│  [Recording...]    │
└────────────────────┘
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