User`s guide

8 MM560A-MM570A-EU-EN
V1.1 8/12
Hz Logic Level Frequency and % Duty Cycle functions
Press SELECT button momentarily to toggle between Hz and % (duty cycle) readings. The new
setting will be saved automatically to the non-volatile memory as power up default. Press 500000
button momentarily to toggle between 5 full digits and 6 full digits Hz readings.
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Note: Unlike the Line Level Frequency measuring function as previously stated, this Logic Level
Frequency function is set only at the highest input sensitivity for measuring digital type electronic
signals.