Checkline MX-5 - Manual (Page 24)

Dakota Ultrasonics
20
Alarm Mode
1) Press ON/OFF key to power up the MX-5.
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 nominal alarm value.
5) Press the ALRM key once again to select the nominal value
entered.
6) The MX-5 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 MX-5. With the
Differential Mode enabled, the MX-5 will display the positive or negative
difference from an entered nominal value. This is indicated by the +/-
symbol to the right of the stability indicator. The following steps outline
the procedure for setting up this feature: