Triplett 9007-A - Manual (Page 30)

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7.5.3 If the red test lead is inserted into the uA mA jack, set
the RANGE switch to the 200m A position.
Connect the test leads IN SERIES with the circuit to
be measured.
Read the value of the current on the
LCD.
7.5.4 If the display indicates overrange, i.e.
“1- - -”,
disconnect the test probes from the circuit and
reconnect the red test lead to the 10A jack. Set the
RANGE switch to the 10A positions, and
reconnect the test leads to the circuit. Read the value
from
the LCD. If the display indicates overrange, i.e.
“1- - -”, the input current exceeds the measurement
capability of the meter, and should not be measured.
7.5.5 If the displayed value is less than
“200” (decimal point
not shown), a more accurate reading may be obtained
by setting the RANGE switch to a lower range.
Disconnect the probes from the circuit and rotate the
RANGE switch to the next lower position. Reconnect
the test probes to the circuit and observe the reading
on the LCD display. If the RANGE switch is already on
the lowest position (i.e. 2m), no greater measurement
resolution can be obtained.