Kanan after purchase · Before a used-device deal

Cek lengkap 5 menit

Run each test from top to bottom and mark the result. Progres is stored temporarily in this browser only.

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Check major keys and simultaneous input

Check buttons, wheel, and double-click anomalies

Check pixel defects with fullscreen solid colors

Check left/right channels and output

Check input level and waveform

Check video input and resolution