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revised together.
You can use number keys, knob and direction keys to
revise this parameter. When adjust start frequency, if start
frequency selected is higher than stop frequency, stop
frequency would automatically increase, and finally it
equals to start frequency.
3.3.1.3 [Stop frequency]
Activate stop frequency, and set spectrum analyzer in start
frequency/stop frequency mode at the same time.
Notes:
The revision of stop frequency may cause the change of
span and center frequency; the change of span may affect
other system parameters, please refer to instructions
provided in Section"Span" for details.
You can use number keys, knob and direction keys to
revise this parameter.
When adjust stop frequency, if stop frequency selected
is lower than start frequency, start frequency would
automatically decrease, and finally it equals to stop
frequency.
3.3.1.4 [Frequency stepping Auto Manual]
Adjust stepping of center frequency. Revise center frequency
by fixed stepping so as to continuously switch measured
channel.
Notes:
There are two modes for the setting of frequency stepping:
manual and auto. When frequency stepping is in auto mode,
frequency stepping is 1/10 of span in case of non-zero span;
stepping equals to 25% of RBW in case pf zero span.
When frequency stepping is in manual mode, adjust
stepping of center frequency by number keys, steeping key
or knob, by this time, re-activate [Center frequency], press
stepping key, and center frequency changes as set stepping.
After proper frequency stepping has been set and selected,
select up and down direction keys, and then measured
channel can be switched as set stepping to realize manual
sweep of adjacent channel.
You can use number keys and direction key to revise this
parameter.
This function is very helpful to rapidly adjust center
frequency to input signal's harmonic. For example,
observe 300MHz input signal's harmonic: set [Frequency
35
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