Single and Dual Trace Displays

Screen Display

The screen can be formatted as a single trace (Single) display or a dual trace (Up/Down) display. The screen format is selected in the DISPLAY/ SCALE menu. There are three displays which may be configured, the Single screen display and the Top and Bottom displays for the split screen. Each display can show a different trace using a separ- ate display type.

There are three different display types - Bar (with large numbers), Polar, and Chart (of stored traces only). The Bar graph resembles a "normal" lock-in display. The Polar graph plots X and Y on a circu- lar graph to illustrate the signal as a vector relative to the reference. The Chart displays stored data in a strip chart form, complete with zooming, panning and cursor. In order to use the analysis functions such as curve fitting, the data must be stored in the buffer and displayed in a strip chart.

The default screen (pg. 4-5) is a dual trace display where the top display shows Trace 1 (X) and the bottom display shows Trace 2 (Y). Both displays are bar graphs.

Remember, only data traces may be displayed. The traces are defined in the TRACE/SCAN menu. The choices of which traces are displayed, and in which formats, are selected in the DISPLAY/SCALE menu.

A dual trace screen showing both Bar and Chart displays is shown below. Each display is labelled with a trace identifier indicating which trace is being displayed. The trace definition is also shown. In the screen below, the top display is showing Trace 1 which is defined to be X.

One of the displays is the active display. The active display is denoted by displaying the trace identifier in inverse video (bottom display below). Certain functions, such Auto Scale and cursor movement, affect the active display only. The [ACTIVE DISPLAY] key is used to switch the active display between the top and bottom dis- plays. A full screen display is always the active display.

Top display trace

identifier and trace definition.

Full Scale =	10 mV	100 mS	Syncro
Dyn Reserve = 0 dB		12 dB/oct	Line	2xLin	AC	A
Trace 1	X

X = 9.7284 mV

Format

Single

Up/Down

Monitor

Settings

Input/Output

Display Scale

Bottom display trace

identifier and trace definition. Shown in

inverse to indicate the

active display.

± 10.000 e-3			0.0	V			Full	Top
							Bottom
TTrace 22	Y			36.000 S		58.332 e-3
							Type:	Chart
							Trace:	2
							±	50.0 e-3
		10 S /div				0.000 S	@	0.0
center = 0.0		±	50.00 e-3		V
Stop	Intrnl	Fr= 100.00		Hz			10 S	/div
	LOCK Harmonic=			1	LOC

4-7

SR850 specifications

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SRS Labs SR850 manual Single and Dual Trace Displays

Models: SR850

Screen Display

SINGLE and DUAL TRACE DISPLAYS

LOC

SR850 specifications