SMC Networks PF3A801H-L Operation Manual page 71

●Zero-clear function
When the pressure is displayed in the measurement display setting, the displayed value can be adjusted to
zero within the range of ±7%F.S. from the factory default value.
(The zero clear range varies by +/-1% F.S. due to variation between individual products.
When the UP and DOWN buttons are pressed for 1 second or longer simultaneously in measurement mode,
the image below is displayed and the displayed value is reset to zero.
The display returns to measurement mode automatically.
●Key-lock function
The key lock function is used to prevent errors occurring due to unintentional changes of the set values. If
SET button is pressed while the keys are locked, [LoC] is displayed on the sub display (left) for
approximately
1 second.
(Each setting and peak/ bottom values are displayed with UP and DOWN buttons.)
<Operation – Without security code input>
(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 [UnLoC] will be displayed on the sub display.
(To release key-lock repeat the above operation)
(2) Select the key locking/un-locking using the UP or DOWN button, and press the SET button to set.
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No.PF※※-OMY0005