Specifications

with
B
INTENSITY
control on B sweep crt displays.
60-)
lnput connectors-Two
banana
iacks
provide
coM
-
(blackl
and
+
(red)
inputs for
dc
voltage
and resist-
Focus
control-Adiusts
for
optimum display
ance
measurements-
definition.
INTENSITY
Control-Determines
overall brightness
of the A Sweep and B
Sweep
crt
displays. lnteracts
DM44
OPTION
Probe
Connector-Used
to connect a temperature
probe.
G)
Cef-f
BRATOR
Loop-A
combination
3O-miiliamp
\-/
-
current loop
and O.3-volt square wave
voltage
output
(approximately
1 kilohertz) that
permits
the operator
to
compensate voltage
probes
and to
check
oscillo-
scope vertical operation. lt is not intended to verify
fi2)
Readout-A
3%-digit LED display using
five
7-segment
precise
time-base calibration.
varrays.
Negative
polarity
indication
is automatic for
negative
dc voltage
and
temperature. No
polarity
indication is displayed for
positive
values.
A blinking
SCALE ILLUM Control-Adiusts
graticule
illumi-
display indicates an overrang€ condition. The decimal
nation.
point
location
is
controlled by the multimeter,s
FUNCTION
and RANGE controls and by the oscillo.
Asrrc conrror-screwdriver
contror
used
in conlunc-
il::$.^
TIME/D|V
switch
(in
the TIME or 1/TIME
tion with the
FOCUS
control to obtain a well-defined
display.
lt does
not
require readjustment
during
normal use
of the instrument.
m
TRACE
ROTATION
Control-Screwdriver control
The
maximum
sfe
input
in
the
1.2
kilovolts
dc
mode
used
to align
trace
with
the
horizontal
graticule
lines.
is
1200
volts.
@
4658/DM44 Operators