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NaTCH Engineering  

 

Using SJn

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Email:

web@NaTCH.co.uk

01728 723306

Phone:

01728 723306

Fax:

0871 247 4524

Pester:

07970 865730

2 Station Terrace

Framlingham

WOODBRIDGE

IP13 9EF  UK

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LinkTo use SigJenny you will need a soundboard connected to a loudspeaker.Screenshot detail

Start SigJenny, check that Frequency 1 (Hz)  is 1000, Sweep is unchecked, Sine is selected, and the Sweep tab is visible.  Click the Mute checkbox and you should hear tone.  The displayed sine wave on the right will change from red to green.  You can adjust the volume with the Out slider and the graphical display will change with it.

Click on the Frequency 1 (Hz) text box and then press Ctrl+PgUp.  The frequency will change to 1100 Hz and the sound will go up in pitch.

Press Ctrl+W.  The selected option will change from Sine to Triangle, the graphic will change to a negative ramp sawtooth, and the sound will become more 'edgy'.  Press and hold down (%)'s spin up button.  The sound will 'phase'.

Quieten SigJenny down by clicking on the Mute checkbox again.  If you've got a microphone connected there's more interesting stuff you can do here.