HP HP 8753E, Руководство пользователя, Страница: 71 / 699

4. Restore the menu and move the marker information back onto the graticules: Press
The display will be similar to Figure 2-11.
L O G 5
R E F - 2
1 5 1 . 5 0 9 M H z
‘ - 3 . 1 5 8 5
MHz
CENTR 134.000 MHz SPAN 45.000 MHz
LOG 151.509 REF -50 500
MHz
M a r k e r s
- -
MHZ
I I I I I II I I
9.46850 MHz
CENTR 134.000 MHz SPAN 45.000 MHz
2 S e p 1 9 9 8 4 3
LOG REF -50
1 5 1 . 5 0 9 5 0 0 MHz
MHz
8
MHz
CENTR 1 3 4 . 0 0 0 M H z S P A N 4 5 0 0 0 MHz
151.509 REF -2.5 500
MHz
CENTR 134.000 MHz SPAN MHz
2
3
4
I
OFF
MODE
MENU
Z E R O
Figure 2-11. Information on the Graticules
You can also restore the menu by pressing a which opens a menu (such as
or pressing a
Use Delta (A) Markers
This is a relative mode, where the marker values show the position of the active marker
relative to the delta reference marker. You can switch on the delta mode by one of the
five markers as the delta reference.
. . . . .
2. move marker 1 to any point that you want to reference:
a. Turn the front panel knob.
OR
b. Enter the frequency value (relative to the reference marker) on the numeric keypad.
Making Measurements