VBand TX Trainer

Professional VBand USB paddle interface training platform

How to Use This Test Page

This page is designed to work with the VBand USB paddle interface, which simulates keyboard input.

📱 To use with VBand device:

Simply connect your VBand device to your computer via USB, and it will work automatically with this page.

⌨️ To test without the device:

• Use the [ key or Left Control key for dit
• Use the ] key or Right Control key for dah
• You can also use the touch paddles below or click them with your mouse.

Training Mode Selection

Number of Items: 10

5 50 100 200

Training Session

Audio Controls

Audio not initialized

Tone Frequency (Hz): 700 Hz

Volume: 50%

Waveform:

Sine

Square

Triangle

Sawtooth

Rise Time (ms): 5 ms

Keyer Settings

Keyer Mode:

Speed (WPM): 15 WPM

Flip Paddle (Swap Dit/Dah)

Auto Character Spacing

Show Timing Information

Advanced Settings

User Name:

Decode Length: 80 chars

Min Latency (ms): 750 ms

Audio Latency (ms): 0 ms

If you experience timing issues where audio plays later than key registration, increase the Audio Latency value or use the Calibrate button. This helps synchronize what you hear with what the system registers.

Debounce Time (ms): 15 ms

Enable Touch Straight Key

Enable Scratchpad

Same Tone For All

Use Mouse Buttons

Debug Timing

Show Statistics

Keyer Input & Output

Ready - Press [ or ] keys, or use Left/Right Control keys

Dit:

Dah:

Dit

Dah