Stanford Research Systems SR785, Operating Manual And Programming Reference

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3-34 Status Indicators
SR785 Dynamic Signal Analyzer
Function Keys
[Auto Scale A]
[Auto Scale A] automatically sets the vertical scale of Display A to show the entire range
of the data. Horizontal scaling is not affected.
Auto scale only operates on the data which is displayed on the graph. If the graph is
expanded, data corresponding to frequency or time bins which are not shown do not
figure in the auto scaling calculations.
[Link] [Auto Scale A] auto scales Display A and sets the vertical scale of Display B to
match Display A.
Command: ASCL d
[Auto Scale B]
[Auto Scale B] automatically sets the vertical scale of Display B to show the entire range
of the data. Horizontal scaling is not affected.
Auto scale only operates on the data which is displayed on the graph. If the graph is
expanded, data corresponding to frequency or time bins which are not shown do not
figure in the auto scaling calculations.
[Link] [Auto Scale B] auto scales Display B and sets the vertical scale of Display A to
match Display B.
Command: ASCL d
[Auto Range Ch1]
[Auto Range Ch1] toggles Channel 1 Input Ranging between Manual and Auto. In
Manual Ranging, the Input Range is set within the [Input]<Input Config> submenu. In
Auto Range, the Input Range is adjusted automatically according to the Ch1 AutoRange
Mode (also in the [Input] menu). In Up Only Auto Range, only overloads cause the range
to change. In Tracking Auto Range, the Input Range moves up for overloads and down
when the signal falls below half scale.
In Swept Sine group, Auto Range is always tracking.
The Ch1 Input Range indicator at the top of the screen will be shown in inverse if Ch1 is
Auto Ranging.
Auto Range responds to all frequencies present at the input (except those attenuated by
AC coupling), not just those within the measurement span.
[Link] [Auto Range Ch1] toggles the Input Ranging of both channels.
Command: A1RG (?) {i}