CEM DT-9989, User Manual, Page: 17 / 68

5-9.Continuity Check
To avoid electric shock, disconnect power to the unit under test and discharge all
capacitors before taking any resistance measurements. Remove the batteries and unplug
the line cords.
WARNING:
1.Set the function switch to the green
Ω CAP position.
2.Press the soft key labeled Menu. Move the
menu selector to the menu item labeled
Beeper. Press the soft key Beeper.
3.Insert the black test lead banana plug into
the negative COM jack. Insert the red test
lead banana plug into the positive jack.
4.If the resistance is less than approximately
25Ω, the audible signal will sound. If the
circuit is open, the display will indicate “OL”.
CAP
Hz
%
Temp
10A
mA
μA
Ω
mV
V
OSC
Hz%
HELP
HOLD
MODE
AUTO
REC
HOLD RANGE
MAX
MIN
ESC
F1 F2 F3 F4
auto range
25.000
8:10pm 06/13/07
Ω
V CAP Ω
Hz
%
Temp
CAT III 600V
DT-9989
Bluetooth
17
True RMS Multimeter