Operating Instructions
AC or DC Voltage Measurements
JTM-69A V2.0 10/07
8
1.
Insert the black test lead banana plug into the
negative
COM
jack and the red test lead banana
plug into the positive
V
jack.
2.
Turn the rotary switch to the
VAC
or
VDC
position.
3.
Touch the test probes to the circuit under test
and read the voltage on the display.
Note: Pressing the
Hz/%
button while in the voltaget
function will switch the display to frequency or d
C Current M
ut
AC or D
easurements
s on the 10A scale for
V
y cycle
CAUTION
: Do not make current measurement
longer than 30 seconds every 15 minutes. Exceeding 30 seconds may
cause damage to the meter and/or the test leads.
1.
Insert the black test lead banana plug into the negative
COM
jack
A
position.
test and read
while in the current function will switch
and the red test lead banana plug into the;
a. Positive
uA/mA
jack for currents to 400m
b. Positive
10A
jack for currents to 10A
2.
Turn the rotary switch to the uA, mA or A
3. Press
the
MODE
button to select AC or DC current
4.
Touch the test probes in series with the circuit under
the current on the display.
Note: Pressing the
Hz/%
button
the display to frequency or duty cycle
