GW Instek GSP-827 User Manual - Manual (Page 20)

2.7GHz Spectrum Analyzer Operation Manual
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6.2.12 Edit the Limit Line,
Function key Description
Limit Line
Select the Limit line relative functions.
F3
Select limit line editing.
F1
Upper>
Toggle the editing between high and low limit line.
Arrow Keys
Use ∧∨ > < arrow keys to mark and modify the existed
points.
F2
Insert a point at where the point is marked.
F3
Delete a point at where the point is marked.
F4
Undo the previous edit step. Only one step is reserved.
F6
Exit the limit line editing.
6.2.13 Change RBW, VBW and Sweep time
Function key Description
BW Activate the power measurement relative functions.
F1
Auto>
Switch RBW between Auto and Manu mode. In auto mode,
RBW is coupled with Span; in manual mode, use ∧ and ∨
arrow keys to select RBW as wanted.
F2
Auto>
Switch VBW between Auto and Manu mode. Use ∧ and ∨
arrow keys to select VBW as wanted in manual mode.
F3
Auto>
Switch Sweep Time between Auto and Manu mode, key in
the sweep time as wanted in manual mode.
F4
Set all RBW, VBW and sweep time to auto mode.
6.2.14 Trigger by input signal level
Function key Description
Trigger Select the trigger mode functions.
F2
Level>
Select level-on-display as trigger source. Key in the level to
trigger the sweep.