HP Cell Phone Accessories E6380-90019 사용자 설명서
Chapter 2
45
Operating Overview
Setting A Measurement Reference
Setting A Measurement Reference
The reference set (Ref Set) function establishes a measurement
reference point. This allows you to make a direct comparison between
two measurement results, or between a measurement standard and the
actual measurement results.
reference point. This allows you to make a direct comparison between
two measurement results, or between a measurement standard and the
actual measurement results.
Depending on the type of measurement, referenced measurements are
displayed in one of two ways:
displayed in one of two ways:
1. Displayed value = Measurement
−
Reference. The difference between
the measured value and the reference value is displayed.
or
2. Displayed value = Measurement
÷
Reference. A ratio of the measured
value to the reference value is displayed. This ratio is expressed in
dB.
dB.
To set a reference
Step 1. Position the cursor in front of the unit-of-measure for the
measurement you want to set the reference for.
Step 2. Press and release the
Shift
key, then the
Incr
÷
10
key to access
the
Ref Set
function.
Step 3. Enter a reference value, then press
Enter
. (To use the currently
measured value as a reference, just press
Enter
.)
Step 4. The Reference indicator shows that an internal reference has
been set.
Step 5. To turn the reference off press and release the
Shift
key, then
the
Incr
÷
10
key to access the
Ref Set
function, and then press the
On/Off
key.
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