Keysight V3500A, Руководство пользователя

Страница: 43 / 122

Knowing your Instrument 2
V3500A User’s Guide 23
Using relative offset function
The relative offset function allows you to apply an offset
value to the measurement. The relative offset values range
from –99.99 dB to +99.99 dB with 0.01 dB resolution. When
the relative offset function is turned on, the displayed power
is limited to ±99.99 dBm and 999.99 W.
Turning on the relative offset function
When “Rel Offset” is enabled, a flashing letter “O” is
displayed on the upper right- hand corner of the V3500A.
1 Press MENU to enter menu mode.
2
Scroll using the down menu arrow until “Rel Offset” menu
is displayed.
3
Use the right arrow menu keypad to select the <On>
function from the submenu. Enter a relative offset value
using steps shown in
Entering a relative offset value
.
4 Press MENU to exit.
Entering a relative offset value
1 From the “Rel Offset” menu, use the right arrow menu
keypad to select <Edit>. Notice that the up, down, left,
and right arrow keypads are enabled.
2 Use any of the up, down, left, or right arrow keypads to
edit the individual digits of the relative offset value and
store the value.
3 Use the up and down arrow keypads to change the sign of
the relative offset positive (+) or negative (–) value.
4 Press MENU to exit and store the relative offset value
entered. The relative offset value entered will be applied
to the measurement reading on the V3500A.
When the relative offset value function is enabled and the
value is stored in the V3500A, the letter “O” will flash on
the upper right- hand corner of the display. When the
relative offset value is entered as 0.0, the “@” character
will flash on the upper right- hand corner of the display,
indicating that the relative offset function is not enabled.