SMC Networks PF2MC7 Series Operation Manual page 75

•Unlocking
(1) Press the SET button for 5 seconds or longer in measurement mode. When [oPE] is displayed on the
main screen, release the button.
The current setting [LoC] or [UnLoC] will be displayed on the sub screen.
(2) Select the un-locking [UnLoC] with UP or DOWN button. Setting is recognized by pressing the SET
button, then security code is required.
(3) For instructions on how to enter the security code, refer to "How to input and change the security
code" on page 75.
(4) If inputted security code is correct, the indication of the main screen changes to [UnLoC], and pressing
the one of UP, SET or DOWN button releases key-lock and the measurement mode returns.
If the security code entered is incorrect, [FAL] will be displayed, and the security code must be entered
again. If the wrong security code is entered 3 times, [LoC] is displayed and the device returns to
measurement mode.
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No.PF※※-OMZ0002