Dakota Ultrasonics PX-7 - Manual (Page 23)

PX-7 Ultrasonic Thickness Gauge
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Alarm Mode
1) Press ON/OFF key to power up the PX-7.
2) Press the ALRM key. ALAr OFF, or ALAr followed by a thickness
value and flashing IN (or MM) symbol will be displayed - indicating
the alarm mode is enabled.
3) Repeat step 2 to toggle between ALAr OFF or ALAr value and
flashing IN / MM symbol (On).
4) Assuming ALAr value flashing IN is displayed, use the UP and
DOWN arrow keys to scroll to the desired Lo alarm value.
5) Press the SEND key to select the Lo value entered. The Hi value
will now be displayed. Repeat step 4 select the Hi alarm value.
6) The PX-7 is now ready to perform measurements using the Alarm
feature.
Differential Mode
In the Quality Control environment, it is sometimes necessary to know
the difference between a nominal (target) thickness value and an actual
thickness value. This feature is also included in the PX-7. With the
Differential Mode enabled, the PX-7 will display the positive or negative
difference from an entered nominal value. The following steps outline the
procedure for setting up this feature: