18
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Velleman
HPS10 Technical Doc
Press RIGHT ARROW KEY,
STEP 10, 2V/div test
Connect the (x1) probe with a
3.4Vdc supply
No adjustment, if fail, check
circuit round IC2, IC3, IC4
Press RIGHT ARROW KEY,
STEP 11, Trace center
Adjustment
Disconnect the test probe.
Adjust RV4 until pass is indi-
cated.
Press RIGHT ARROW KEY,
STEP 12, Calibration END
If all steps where correct “Pass”
should be indicated.
Due to possible manipulation
Fail, could be indicated even if all
tests where OK.
PRESS POWER OFF TO END THE
CALIBRATION
