Dakota Ultrasonics UMX-2 - Manual (Page 20)

UMX-2 Underwater Material & Coating Thickness Gauge
16
Probe Zero Disk
The UMX-2 is equipped with an Auto Zero, which eliminates the user from having to
manually perform a zero on a specified zero standard. However, a Manual Zero
option has also been included with the UMX-2. This provides the user with the ability
to reset the internal zero used for the auto zero as a reset option. Other than for the
purposes of a safety mechanism, the Auto Zero feature will be used.
Bottom Inside End Cap:
Battery Cover
Simply remove the cover using a standard slot screw driver or other, and replace the
batteries.
Important: be sure the positive (+) battery terminal is facing up towards the battery
cover, when inserting them into the battery tube. This is very important! Failure to do
so will result in battery acid leakage cause by a current overload. The leakage can
permanently damage the circuit boards, should it leak through the battery tube. The
photo above shows demonstrates the polarity of the batteries. There is also a label
on the side of the battery tube for reference.
Note: Rechargeable batteries can be used, however they must be recharged outside
of the unit in a stand alone battery charger.