Tenmars TM-86 User Manual page 15

Fig. 2: Using the meter for DC Voltage measurement
1.Selecting the position V .
2.Pressing the R key to select the correct range or
using the Auto range feature (see paragraph 4.2.2).
If the voltage value under test is unknown, select
the highest range.
3.Insert the test leads into the jacks, the red plug into
jack and black plug into COM jack (see Fig. 2).
4.Connect the red and black test leads to the positive
and negative poles of the circuit under test
respectively. The voltage value is displayed.
5.If the message "O.L" is displayed select a higher
range.
6.The symbol "-" on the instrument display indicates
that voltage has opposite direction with regard to
the connection.
EN - 14
TM-86