7451A/7461A/7461P Digital Multimeter Operation Manual
5.9.4 dB and dBm calculation
5-38
2. Setting Constant D
The setting range of Constant D is shown below.
1. Set Constant D in
.
2. After the constant setting mode is enabled by pressing
, the following items,
which blink, can be selected by pressing
and
.
• From the most significant digit to the least significant digit in the numeric
value
• Unit prefix
• Decimal point
3. Change the numeric value and unit prefix by using
and
.
The unit prefix cycles through the following order.
p
n
m
No unit prefix
k
M
G
T
Press the
key in this mode if setting the measurement value as Constant
D.
4. Press
to apply the setting.
3. Canceling the dB and dBm calculations
The dB and dBm calculations are canceled when any of the following conditions occur.
• The scaling calculation is set while the dB or dBm calculation is performed.
• The measurement function is changed.
• The *RST command is executed.
• The trigger source is set to LEVEL or DELTA.
Setting range
Minimum resolution
7461A/61P
0.000001E -9 to 9999999.E + 6
0.000001E - 9
7451A
0.000001E -9 to 999999.E + 6
The exponential part is set by using a unit prefix (p, n,
, m, k, M, G, T).
MENU
MENU
..4.. CONST
ValDB
TRIG
ENTER
