TESTBOY TB 50 Bedienungsanleitung Seite 24

Operation
Determining the quality
Remove the cover from the
brake fluid container, the cap
(2) from the tester and activate
the button (1) to switch on the
instrument.
Immerse the test probes into
the brake fluid up to the Max.
To check quality of the fluid,
keep the button pressed for at
least 2 seconds while
simultaneously read the result
indicated by the LEDs.
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Testboy TB 50