Extech Instruments MultiMaster MM560A User's Guide download pdf (Page 8)

8 MM560A-MM570A-EU-EN

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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.

A A A

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.

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Extech Instruments MultiMaster MM560A User's Guide Page 8