Menu Map

This page documents the complete menu hierarchy accessible through the NanoVNA-H touch interface. Touch the screen to open the menu system, then navigate through the tree structure.

Top-Level Menu

The main menu appears when touching the right side of the screen during normal operation.

Button	Action	Description
DISPLAY	Submenu	Trace, format, channel, and scale settings
MARKER	Submenu	Marker selection, search, and operations
STIMULUS	Submenu	Frequency range and sweep configuration
CALIBRATE	Submenu	Calibration operations and management
RECALL	Submenu	Load saved calibration slots
MEASURE	Callback	Measurement analysis tools (if enabled)
SD CARD	Submenu	SD card file operations (if enabled)
CONFIG	Submenu	Device configuration
PAUSE/RESUME SWEEP	Toggle	Pause or resume continuous sweep

DISPLAY Menu

Controls trace configuration and display settings.

DISPLAY
├── TRACE
│   ├── TRACE 1          Toggle/select trace 1
│   ├── TRACE 2          Toggle/select trace 2
│   ├── TRACE 3          Toggle/select trace 3
│   ├── TRACE 4          Toggle/select trace 4
│   └── STORE/SHOW TRACE Toggle stored trace display
│
├── FORMAT S11 (REFL)
│   ├── LOGMAG           Return loss in dB
│   ├── PHASE            Phase angle
│   ├── DELAY            Group delay
│   ├── SMITH            Smith chart
│   ├── SWR              Standing wave ratio
│   ├── RESISTANCE       Real impedance (R)
│   ├── REACTANCE        Imaginary impedance (X)
│   ├── |Z|              Impedance magnitude
│   └── → MORE
│       ├── POLAR        Polar plot
│       ├── LINEAR       Linear magnitude
│       ├── REAL         Real part of S11
│       ├── IMAG         Imaginary part of S11
│       ├── Q FACTOR     Quality factor
│       ├── CONDUCTANCE  G (admittance real)
│       ├── SUSCEPTANCE  B (admittance imag)
│       ├── |Y|          Admittance magnitude
│       └── → MORE
│           ├── Z PHASE      Impedance phase
│           ├── SERIES C     Series capacitance
│           ├── SERIES L     Series inductance
│           ├── PARALLEL R   Parallel resistance
│           ├── PARALLEL X   Parallel reactance
│           ├── PARALLEL C   Parallel capacitance
│           └── PARALLEL L   Parallel inductance
│
├── FORMAT S21 (THRU)
│   ├── LOGMAG           Insertion loss in dB
│   ├── PHASE            Phase angle
│   ├── DELAY            Group delay
│   ├── SMITH            Smith chart
│   ├── POLAR            Polar plot
│   ├── LINEAR           Linear magnitude
│   ├── REAL             Real part of S21
│   ├── IMAG             Imaginary part of S21
│   └── → MORE
│       ├── SERIES R     Series resistance
│       ├── SERIES X     Series reactance
│       ├── SERIES |Z|   Series impedance mag
│       ├── SHUNT R      Shunt resistance
│       ├── SHUNT X      Shunt reactance
│       ├── SHUNT |Z|    Shunt impedance mag
│       └── Q FACTOR     Quality factor (S21)
│
├── CHANNEL              Toggle S11/S21 for current trace
│
├── SCALE
│   ├── TOP              Set top scale value
│   ├── BOTTOM           Set bottom scale value
│   ├── SCALE/DIV        Set scale per division
│   ├── REFERENCE POSITION  Set reference line position
│   ├── E-DELAY          Set electrical delay
│   ├── S21 OFFSET       Set S21 calibration offset
│   ├── SHOW GRID VALUES Toggle grid value display
│   └── DOT GRID         Toggle dotted grid lines
│
├── TRANSFORM
│   ├── TRANSFORM ON/OFF Toggle time domain
│   ├── LOW PASS IMPULSE Lowpass impulse response
│   ├── LOW PASS STEP    Lowpass step response
│   ├── BANDPASS         Bandpass response
│   ├── WINDOW           Select window function
│   └── VELOCITY F.      Set velocity factor %
│
├── IF BANDWIDTH         Select measurement bandwidth
│
├── DATA SMOOTH (if enabled)
│   ├── SMOOTH ON/OFF    Toggle smoothing
│   └── x1, x2, x4, x5, x6  Smoothing factor
│
└── PORT-Z (if enabled)  Port impedance renormalization

MARKER Menu

Controls marker selection, positioning, and operations.

MARKER
├── SELECT MARKER
│   ├── MARKER 1-8       Toggle/select markers
│   ├── ALL OFF          Disable all markers
│   └── DELTA            Toggle delta marker mode
│
├── SEARCH              Toggle min/max search mode
├── SEARCH ←LEFT        Search left for peak/min
├── SEARCH →RIGHT       Search right for peak/min
│
├── OPERATIONS
│   ├── →START          Set start freq to marker
│   ├── →STOP           Set stop freq to marker
│   ├── →CENTER         Set center freq to marker
│   ├── →SPAN           Set span from delta marker
│   └── →E-DELAY        Copy marker delay to e-delay
│
└── TRACKING            Toggle marker tracking mode

STIMULUS Menu

Controls frequency sweep parameters.

STIMULUS
├── START               Set sweep start frequency
├── STOP                Set sweep stop frequency
├── CENTER              Set sweep center frequency
├── SPAN                Set sweep span
├── CW FREQ             Set CW (single frequency) mode
├── FREQ STEP           Set frequency step increment
├── JOG STEP            Set jog wheel step (AUTO/manual)
└── SWEEP POINTS        Set number of sweep points
    ├── SET POINTS      Enter custom point count
    ├── 51 point
    ├── 101 point
    ├── 201 point
    ├── 301 point (F303 only)
    └── 401 point (F303 only)

CALIBRATE Menu

Calibration operations and settings.

CALIBRATE
├── CALIBRATE
│   ├── OPEN            Measure open standard
│   ├── SHORT           Measure short standard
│   ├── LOAD            Measure load standard
│   ├── ISOLN           Measure isolation (S21)
│   ├── THRU            Measure through standard
│   ├── DONE            Complete cal, save to current slot
│   └── DONE IN RAM     Complete cal, don't save to flash
│
├── POWER AUTO          Select output power level
│   ├── AUTO            Automatic power selection
│   ├── 2 mA
│   ├── 4 mA
│   ├── 6 mA
│   └── 8 mA
│
├── SAVE
│   ├── Slot 0-6        Save to calibration slot
│   └── SAVE TO SD CARD Save calibration file
│
├── RANGE               Toggle calibration interpolation
├── RESET               Reset calibration data
├── APPLY               Toggle calibration application
├── ENHANCED RESPONSE   Toggle enhanced response cal
└── STANDARD LOAD R     Set non-50 ohm load value (if enabled)

RECALL Menu

Load saved calibration data.

RECALL
├── Slot 0              Load calibration slot 0
├── Slot 1              Load calibration slot 1
├── Slot 2              Load calibration slot 2
├── Slot 3              Load calibration slot 3 (F072: max)
├── Slot 4              Load calibration slot 4 (F303)
├── Slot 5              Load calibration slot 5 (F303)
├── Slot 6              Load calibration slot 6 (F303)
└── LOAD FROM SD CARD   Load calibration from SD

Note

The F072 (NanoVNA-H) supports 5 calibration slots (0-4). The F303 (NanoVNA-H4) supports 7 slots (0-6).

MEASURE Menu

Advanced measurement analysis tools (requires __VNA_MEASURE_MODULE__).

MEASURE
├── OFF                 Disable measurement display
├── L/C MATCH           L/C matching network calculator
├── CABLE (S11)         Cable length/loss measurement
├── RESONANCE (S11)     Find resonance frequency
├── SHUNT LC (S21)      Shunt L/C component measurement
├── SERIES LC (S21)     Series L/C component measurement
├── SERIES XTAL (S21)   Crystal parameter measurement
└── FILTER (S21)        Filter characterization

SD CARD Menu

SD card file operations (requires __USE_SD_CARD__).

SD CARD
├── LOAD                Browse and load files
├── SAVE S1P            Save S11 data as Touchstone S1P
├── SAVE S2P            Save S11+S21 as Touchstone S2P
├── SCREENSHOT          Save screen capture (BMP/TIFF)
├── SAVE CALIBRATION    Save calibration to file
├── AUTO NAME           Toggle automatic filename generation
└── IMAGE FORMAT        Select BMP or TIFF format

CONFIG Menu

Device configuration and settings.

CONFIG
├── TOUCH CAL           Calibrate touchscreen
├── TOUCH TEST          Test touchscreen response
│
├── EXPERT SETTINGS
│   ├── THRESHOLD       Set harmonic switching frequency
│   ├── TCXO            Set reference oscillator frequency
│   ├── VBAT OFFSET     Calibrate battery voltage
│   ├── IF OFFSET       Select IF frequency (if enabled)
│   ├── REMEMBER STATE  Enable state backup on power off
│   ├── FLIP DISPLAY    Rotate display 180 degrees
│   └── →DFU            Enter DFU bootloader mode
│       └── RESET AND ENTER DFU
│   └── → MORE
│       ├── MODE        Select band mode
│       ├── SEPARATOR   Toggle decimal separator (. or ,)
│       ├── USB DEVICE UID  Toggle unique USB serial
│       ├── DUMP FIRMWARE   Dump firmware to SD card
│       ├── LOAD COMMAND SCRIPT  Run commands from file
│       └── CLEAR CONFIG
│           └── CLEAR ALL AND RESET
│
├── SAVE CONFIG         Save configuration to flash
│
├── CONNECTION (if serial enabled)
│   ├── CONNECTION USB/SERIAL  Toggle USB/serial console
│   └── SERIAL SPEED    Set baud rate
│
├── VERSION             Display firmware version
├── BRIGHTNESS          Adjust LCD brightness (F303)
│
└── DATE/TIME (if RTC enabled)
    ├── SET DATE        Set RTC date
    ├── SET TIME        Set RTC time
    ├── RTC CAL         RTC calibration (ppm)
    └── RTC 512Hz Led2  Toggle 512Hz clock output

Menu Navigation

Touch Controls

• Touch right side: Open menu
• Touch menu button: Execute action or open submenu
• Touch plot area: Close menu and return to normal view
• Long press: Some items have long-press actions

Lever Controls

• Up/Down: Navigate menu items
• Push: Select/execute current item
• Push in menu closed: Open menu

Menu Item Types

The menu system uses several item types:

Type	Description
MT_SUBMENU	Opens a submenu
MT_CALLBACK	Executes an action immediately
MT_ADV_CALLBACK	Advanced callback with dynamic label
MT_NEXT	Links to next/back menu

Source Code Reference

Menu definitions are located in:

• Menu structures: ui.c lines 1900-2491
• Top menu: ui.c line 2476 (menu_top[])
• Menu processing: ui.c lines 2498-2715