Operating
Instructions
—DM 5010
Calculations
Five front-panel buttons activate calculations on mea
surements
made by the DM 5010. These calculations may
be performed
singly or in a sequence. A sequence of calcu
lations may
be activated (buttons
pushed) in any order;
however,
the DM 5010 executes them in the following or
der: AVERAGE, X-B/A, dBm or
dBr, COMPARE. The in
strument
performs all activated
calculations
on the
measurement
and then
displays the result.
If active, NULL
and then LOW FREQ RESPONSE are executed before any
of
the calculations.
Both of the calculations dBm
and dBr
cannot be performed
in the same sequence. If both buttons
are
pressed in the same
calculation sequence, only the last
one
pressed will be executed. One trigger begins execution
of
a single
calculation or a calculation sequence.
In the RUN
trigger
mode,
an activated
calculation or sequence repeats
until
turned
off (calculation button(s) pressed again), or until
the
trigger mode or measurement function is
changed. The
display
LEDs blank while calculations are being executed.
The instrument displays OC to indicate a display overflow
for
calculation
results.
Except for
dBm, each calculation uses one or more
constants.
The
numerical value stored
in memory for each
constant is
set to a default value at instrument power
up.
This
value may be changed to any value within the limits
specified for
each constant. Table 2-4 lists each calculation
and associated constant(s),
constant
default values, and the
limits
for
each constant.
Changing
Constant Values
There
are two methods for changing constant values
in
the
instrument memory.
1. Using the numeric keyboard:
a. Press selected constant button.
b. Press numeric
keyboard buttons to display the
new
constant value (within the
limits specified in Table
2-4).
c.
Press
ENTER.
2. Using a displayed measurement. (Changes a constant
value
to
the value
of the displayed measurement.) Make cer
tain
the displayed measurement meets
the
limits specified in
Table
2-4 for the selected
constant.
a. Press selected constant button.
b. Press ENTER.
Table
2-4
CALCULATION AND CONSTANTS
Calculation
Constants
Default Value
Valid
Constant Range
AVERAGE
N
2
+ 1 to
+19999
X-B
A
B
(offset)
0
+
or integer or decimal,
A
(scale)
1
+
or
-, integer or decimal, # 0
dBm
-
-
-
dBr
ref
1
+
or -, integer or decimal,
* 0
COMPARE
LIMITS
(2)
0
2-10
REV
JAN
1982
Summary of Contents for DM 5010
Page 14: ...DM 5010 2994 00 DM 5010 Programmable Digital Multimeter xii ADD JUL 1986...
Page 27: ...Operating Instructions DM 5010 2994 03 Fig 2 3 DM 5010 front panel controls and connectors 2 3...
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Page 337: ...63 REV JUN 1986...
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