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○Key-lock function
The key lock function is used to prevent errors occurring due to unintentional changes of the set values.
If the SET button is pressed when the key-lock is enabled, [LoC] is displayed on the sub display (right) for
1 second.
(Each set value, the difference display, and the peak or bottom values can be displayed with the UP and
DOWN buttons.)
<How to operate – Without security code>
(1) Press the SET button for 5 seconds or longer in measurement mode. When [oPE] is displayed on the
main display, release the button.
The current setting [LoC] or [UnL] will be displayed on the sub display.
(To release the key-lock, repeat the above operation.)
(2) Press the UP or DOWN button to select Lock or Unlock and then press the SET button to enable the setting.
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No.D-※S-OMA1021
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