User manual

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to look, and can simply hear the smooth, regular noises of
the strikes on ping-pong for professionals.
23 Reaction test
With a resistance of 100k Ω (brown, black, yellow), a reaction
game starts. You can see a light bar growing quickly from left
to right with up to four LEDs. As soon as the first LED is on,
you should press the button. But most of the time you can’t
do that, and then two or three LEDs will light up. Each LED
represents a tenth of a second. The usual response time is
about 0.2 to 0.3 seconds, but once someone makes it within
a tenth of a second, a victory fanfare goes off.