HP 8712C User Manual page 161

Delta Frequency
This marker limit test allows you to set marker 1 as a frequency reference
against which marker 2 is limit tested.
1.
2.
3.
4.
5.
This limit test requires that you first use marker 1 to determine the
reference frequency: Press Cm) 2 :
knob or the @) @) keys to place marker 1 at the desired place on the
measurement trace. The frequency of marker 1 at this point becomes the
delta reference' for this marker limit test.
Press @iKK) Limit Menu Mkr Limits
Use the front panel knob or the m (lJ keys to select Delta Freq in
the marker limit test table. Turn this limit function on by pressing the
table changes to "on."
Press Edit Limit C#ZnfHztx> M9x Limit and enter the maximum
limit using the front panel keypad and terminating the entry with the
k e y .
Press Edit Limit C#~n/prX> Min Limit and enter the minimum limit
using the front panel keypad and terminating the entry with the [')
key.
a n d t h e n u s e t h e f r o n t p a n e l
Using Instrument Functions
Using limit Testing
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