Daqarta
Data AcQuisition And Real-Time Analysis
Scope - Spectrum - Spectrogram - Signal Generator
Software for Windows
Science with your Sound Card!
The following is from the Daqarta Help system:

Features:

Oscilloscope

Spectrum Analyzer

8-Channel
Signal Generator

(Absolutely FREE!)

Spectrogram

Pitch Tracker

Pitch-to-MIDI

DaqMusiq Generator
(Free Music... Forever!)

Engine Simulator

LCR Meter

Remote Operation

DC Measurements

True RMS Voltmeter

Sound Level Meter

Frequency Counter
    Period
    Event
    Spectral Event

    Temperature
    Pressure
    MHz Frequencies

Data Logger

Waveform Averager

Histogram

Post-Stimulus Time
Histogram (PSTH)

THD Meter

IMD Meter

Precision Phase Meter

Pulse Meter

Macro System

Multi-Trace Arrays

Trigger Controls

Auto-Calibration

Spectral Peak Track

Spectrum Limit Testing

Direct-to-Disk Recording

Accessibility

Applications:

Frequency response

Distortion measurement

Speech and music

Microphone calibration

Loudspeaker test

Auditory phenomena

Musical instrument tuning

Animal sound

Evoked potentials

Rotating machinery

Automotive

Product test

Contact us about
your application!

Juxt Trace Scroll

Controls: File Menu >> Juxt Dialog >> Trace Scroll
Macro: JuxtScr

These up and down arrow buttons control which trace is shown on the adjacent Select button.

If the Select button is on, only one trace at a time is shown, and the scroll arrows allow you to select that trace.

If Array is on, that trace will be shown highlighted. You don't need to use the scroll arrows if you just want to Select a different trace from among those on the screen; just left-click on it.

The Array shows only traces compatible with the Selected trace type and the current display mode. For example, spectrum averages can only be shown in Spectrum mode, so if you are in waveform display mode and Select is set to a waveform, waveform average, or non-averaged spectrum trace, then spectrum average traces will not be seen. If you toggle to Spectrum mode, they will be shown.

Similarly, Histogram traces are only compatible with other Histograms.

You can view Arrays of histograms obtained at different sample rates, since sample rate has no bearing on the histogram. All other types of traces must have matching sample rates to be compatible.

Note that once Array mode is active it only shows traces compatible with the original Select trace. You can then scroll only among those traces. If you want to see traces of an incompatible type, toggle Select on (Array goes off) to see individual traces and scroll to a trace of the desired type, then toggle Array back on.

If the Show button is off, any trace whose Hide button is depressed will not be shown in the Array, but will still be shown on the Select button as you scroll past it. If Show is on, the otherwise-hidden trace will be shown dotted.


Macro Notes:

JuxtScr=>1 scrolls up one trace, and JuxtScr=>-1 scrolls down one trace. Only +/-1 step is accepted.

"Up" and "down" are always relative to the screen positions of the traces as shown in the array. If Sort and/or Direction change the order of the traces on the screen, scrolling still behaves the same relative to the screen.


See also Juxt Trace Memory Array

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