FLIR
CM72_CM74
USER
MANUAL
Document
Identifier:
CM72_CM74
‐
en
‐
US_AA
9
4.2
Function
Switch
Select
this
position
when
connecting
a
FLIR
Flex
Clamp
Adaptor.
Select
this
position
to
measure
in
the
low
impedance
mode.
Select
this
position
to
switch
the
meter
OFF
(full
power
saving
mode).
Select
this
position
to
measure
AC/DC
Voltage
through
the
probe
inputs.
The
meter
can
measure
resistance
and
continuity
through
the
probe
inputs.
The
type
of
measurement
is
selected
by
the
MODE
button.
The
meter
can
measure
capacitance
and
diode
through
the
probe
inputs.
The
type
of
measurement
is
selected
by
the
MODE
button.
Amps
AC/DC
(CM74)
and
Amps
AC
only
(CM72).
The
meter
can
measure
current
through
the
clamp
jaws.
4.3
Function
Buttons
Select
AC
or
DC
in
the
Voltage/Current
modes.
Select
Diode
or
Capacitance;
Continuity
or
Resistance.
Select
Hz
in
the
AC
Voltage/Current/FLEX
modes.
Select
Auto
or
Manual
range
mode,
see
section
5.3
Auto/Manual
range
mode
In
Manual
mode,
press
to
change
the
range
(scale);
to
return
to
Auto
range
mode
from
Manual
mode,
press
and
hold
for
>
2
seconds.
Toggle
normal
and
Hold
modes,
see
section
5.4
Hold
mode
Press
for
>
2
seconds
to
enable/disable
MIN/MAX
mode.
While
in
MIN/MAX
mode,
short
presses
step
MIN>MAX>MIN.
Press
and
hold
for
>2
seconds
to
exit
the
MIN/MAX
mode.
For
the
CM74:
Press
to
enable/disable
the
display
backlight.
Press
and
hold
for
>
2
seconds
to
switch
the
Work
Light
ON/OFF.
For
the
CM72
press
to
enable/disable
the
LCD
backlight.
For
the
CM72
press
to
enable/disable
the
Work
Light.
For
the
CM74
only.
In
the
DCA
mode,
press
to
zero
the
display.
In
the
ACA
mode
press
to
enable
the
inrush
current
mode.