Precautions & Preparations For Measurement - Lutron Electronics DM-9961 Manual

4. PRECAUTIONS & PREPARATIONS
FOR MEASUREMENT
1)Ensure that the 006 DC 9V battery are connected with
the right polarity and placed in the battery compartment
correctly.
2)Place the Red & Black Test Leads into the proper input
terminal before making measurement.
3)Remove either of the test leads from the circuit when
changing the measurement range.
4)Except operate the " Data Hold " function, it should
cancel the " Data Hold " function, otherwise the display
reading will freeze permanently.
5)Do not exceed the maximum rated voltage and current to
the input terminal.
6)Always switching the " Function Rotary Switch " to the
" Off " position when the instrument is not operation.
7)Remove the battery if the instrument is not to be used in
a long period of time.
8) For safety consideration, when change the new test
leads, it should use the replace test leads that already
approval of " CATIII-1000 V " at least.
9)Power On/Off management :
a. When not use the meter, should rotate the
" Function rotary switch " ( 3-8, Fig. 1 ) to the " OFF "
position.
b. During the measurement, after 30 minutes the meter
will auto power off. If intend to power on again, it
should rotate the " Function switch " to " OFF "
position then set to the new desiring function position.
8