User Manual

• ‘POWER/CLEAR’ button:
 Pressingthe‘POWER/CLEAR’buttonclearsallvaluesinthegraph,andre-scalesthe
gaugeifnecessary.
• ‘MODE’ button:
Pressingthe‘MODE’buttononcewillopenthemodemenu,andhighlightthemeasurement
modecurrentlyselected;pressingthe‘MODE’buttonagainwhilethemenuisopenwill
selectthenextavailablemeasurementmode.Allfourmeasurements(sparkburntime,
RPM,sparkplugpeakvoltageanddwellangleandramptime)aresimultaneouslytracked
andstored,andareavailableforviewingatanytime(withoutdelay).
• ‘HOLD’ button:
 Pressing this button will pause measurement, and hold the display in the current
condition.Pressingthe‘HOLD’buttonagainwillresumenormalmeasurements.
6.4 Waveform View
Thismodedisplaysthesignalamplitudeovertime(likeanoscilloscope).Thescaleand
unitsofthemeasurementarelocatedontheverticalaxis,atthefarleftofthedisplay.The
timescaleandunitsareshownbelowthehorizontalaxis,atthebottomofthescreen.
01607 RPM
-10
10
20
kv
-4 -2 0 2
ms
0
Fig.9-Waveformdisplay
• ‘POWER/CLEAR’ button:
 Pressingthe‘POWER/CLEAR’buttonclearsallvaluesinthegraph,andre-scalesthe
graphifnecessary.
• ‘MODE’ button:
 Pressing the ‘MODE’ button once will open the mode menu, and highlight the
measurementmodecurrentlyselected;pressingthe‘MODE’buttonagainwhilethe
menuisopenwillselectthenextavailablemeasurementmode.Thewaveformgraph
focusesontheareaofthesparkwaveformwhichismostrelevanttothemodeselected.
• ‘HOLD’ button:
 Pressingthisbuttonwillpausethecurrentmeasurement,andholdthedisplayinthe
currentcondition.Pressingthe‘HOLD’buttonagainwillresumenormalmeasurement.
Page10