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User's Manual
4. Press
→ [Calibration] →[Function]→[dB ON] to select the dB function, and use the
arrow keys to set the dB relative value (dBm2). In this case, the screen display the reading
is the power difference between two circuits.
Method 3
1. Connect to the circuit 1, refer to dBm2 that measured by Example 3.
2. Press
→ [Calibration] →[Function]→[dB ON] to select the dB function, and select
the relative value measurement. This operation is to set the current measurement value
as the dB relative value, and the screen display the reading is 0.
3. Connect to the circuit 2, the screen display the reading is the power difference between
two circuits.
Example 5 Limits Measurement
The limit operation prompts for out-of-range signals according to the set upper and lower
limit parameters, while the beeper sounds an audible alarm (if beeper is turned on).
Operation Steps
1. Press the
the appropriate voltage scale.
2. Connect one end of the test lead to the multimeter, the red test lead to the Input-HI
terminal and the black test lead to the Input-LO terminal, as shown in Figure 2-15.
3. Press
→[Limits] →[Limits ON] to set the upper and lower limits.
Press the [Lower] to set the lower limit for the limits measurement.
Instruments.uni-trend.com
Figure 0–75 dB Measurement Menu
key on the front panel to turn on the AC voltage measurement and select
UT8806E Desktop Digital Multimeter
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