HP 8753E - Page 74

__ ., ,. _ ,.... ,, ,.,
Using the :,~~.~:~.~~~ Key to Activate a Fixed Reference Marker
:.i . . . . :<..s.:.
Marker zero enters the position of the active marker as the A reference position. Alternatively,
you can specify the fixed point with ;$$&E& .~~~;~.~~~~~~~. Marker zero is canceled by
i ..i TT....... .L....
switching delta mode off.
1. To place marker 1 at a point that you would like to reference, press:
B and turn the front panel knob, or enter a value from the front panel keypad.
2. To measure values along the measurement data trace, relative to the reference point that
you set in the previous step, press:
#&+.k~&$ and turn the front panel knob, or enter a v&e from the front panel keypad.
. . . . . . . . . . . . . . . . . . . T :.:./:.i i
3. To move the reference position, press:
.,., ;
. . . _..._.. _ ..;.
.: ,( x:<p,,\, :a* .,:. ,. .,, . . . . . . ..e.. .<c. <<? II. ..:.
~~~~~~~~~. $Jw ~,~~~~~~~~~~ ~~.~~.~~~:~~~~~~.~~~ a.& turn the front panel knob,
: . ...: . . . . . . :.<.....:::.:.<.;..;:...:;.:.~~.:.% .-. .._........................... -...- .._... . .............................................................
or enter a value from the front panel keypad.
CHl S21 I
og
MRG 18 dB/ REF-1.14 dB 1:-2.6579 dB
v 28. 50 0 0 MHz
PRm
CENTER 125. 000 000 MHzCENTER 125. 000 000 MHz
SPFlNSPFlN 186 000 000 MHz 186 000 000 MHz
Figure 2-14. Example ,,f a Fix& &,ference mke, Usu ibid
/ . . . . . . ;.;;:,//..“i . . . . . . . . . . . . . . . . . . . . . :.. ..:......... ..,...A L :..
Making Measurements 2-23