QTR
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Morse Code Receiving Practice (RX)
Character Sets
Alphabet (A-Z)
Numbers (0-9)
Special Characters (. = , / ? : - @ *)
Error Signal: *
All
Custom
Koch Method
Koch Method
Practice Characters
Exercise Settings
Speed
5 – 20 WPM
Farnsworth Method
Faster characters, long spacing
Off
On
Character Speed
Min.: Speed + 1, Max.: 30
5-character groups
1 – 50
Sidetone Frequency
400 – 1000 Hz
Volume
-40 – 0 dB
0 dB
-2 dB
-4 dB
-6 dB
-8 dB
-10 dB
-12 dB
-14 dB
-16 dB
-18 dB
-20 dB
-22 dB
-24 dB
-26 dB
-28 dB
-30 dB
-32 dB
-34 dB
-36 dB
-38 dB
-40 dB
Radio Noise
Noise Simulation
Off
On
Noise Volume
0–100%
Current Lesson
START
STOP
Results
Character Count
0 / 0
Answer Mode
Write on paper
Type it in
Type What You Heard
Correction: BACKSPACE, unknown character: CTRL
Results
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