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User's Manual
Method for dB operation
When dB operation is enabled, the instrument calculates the dBm value for the next reading
and differs this dBm value from the stored dB setting as shown in the following equation.
The set range of dB is -200 dBm ～ +200 dBm. The default dB is 0 dBm.
dB relative value
Enter a value on the operator interface (using the arrow keys) and store this value as dB
relative value.
dB relative value is stored in volatile memory. It will be delete when power off.
Relative Operation
The relative operations are used for relative measurements. The actual measurement reading
is equal to the difference between the measured value and the preset value.
Press
→[XXX Rel] →[ON] to enter the relative operation menu, as shown in Figure 2-55.
Table 0-27 Relative Operation
Function Menu
The
relative value
relative value
Instruments.uni-trend.com
Figure 0–60 Relative Operation Menu (take DCV as an example)
Setting
switch
of
ON/OFF Turn on/off the relative operation
relative value
Description
Use the arrow key to set this parameter
UT8806E Desktop Digital Multimeter
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