User Manual

Page9

01607

RPM

Maximum

Average

Minimum

Oldestset

Newestset

Fig.7-Comparisonmodedisplay

• ‘POWER/CLEAR’ button:

 Pressingthe‘POWER/CLEAR’buttonclearsallmeasurements,andre-scalesthechart

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:

 The‘HOLD’buttonwhenpressedoncepausesmeasurementandholdsthedisplay

initscurrentcondition(whiledisplayinga“HOLD”labelinthecenterofthescreen).

Pressingthe‘HOLD’buttonasecondtimewillremovethepause(andlabel),andadd

anewsetofvaluesattherightofthescreen,whichwillkeepupdatinguntilthe‘HOLD’

buttonis pressedagain.This cyclerepeats everytime thebutton ispressed twice

(start/stop)anduptothelast12setofvalueswillbeshowninthedisplayatonce,if

thismaximumisexceededtheoldestsetwillbedeletedandanewsetadded.

6.3 Digital view

Thisviewprovidesdigitalandanaloggaugereadoutsfortheselectedmeasurement,as

wellasdigitalreadoutsfortheotherthreemeasurements.

Fig.8-Digitalmodedisplay