Agilent Technologies 8487D Guia do Utilizador descarregar pdf (Página 77)

Power Meter Operation

Setting Offsets

Agilent E4418B User’s Guide 2-37

2. The power meter displays the offset value in a pop up window.

Modify this offset (see below) as desired.

■ Use or to modify the digit on which the cursor is

currently positioned.

■ Use or to move to other digits.

3. To confirm your choice press .

4. is automatically set to “On” when a value is

entered using .

Display offsets can be disabled and re-enabled simply by pressing

The display offset is a function of the window. That is, if you have selected

a two window display each can have its own offset.

Figure 2-8 displays the effects of the channel and display offsets on the

power meter’s displayed reading.

Figure 2-8: Effect of Offsets on a Channel Measurement

† Channel Offset entered using , , .

†† Display Offset entered using , .

Offset Off On

Offset

Offset Off On

Ch Input with

Ch Input

Offset

†

Display

Offset

††

READING

ON POWER

METER

DISPLAY

Ch Input with Ch Offset and

Ch Offset

Display Offset

System

Inputs

Input Settings Offset

Rel

Offset

HP4402.book Page 37 Wednesday, November 29, 2000 4:46 PM

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Agilent Technologies 8487D Guia do Utilizador Página 77