METREL MD 9035, Руководство пользователя

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MD 9035 Digital Multimeter Series Operation
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Trigger level defaults at 3. Press the Level ( RANGE) button momentarily to select
another trigger level. If the RPM reading becomes unstable, select lower sensitivity to
avoid electrical noise. If the reading shows zero, select higher sensitivity. Number of
Bar-graph pointer is used to indicate sensitivity selected.
DWELL & %Duty functions
Number of cylinders defaults at 4 cylinders. Press
Cylinder button for one second or
more to display the cylinder setting, and press momentarily again within one second to
select the number of cylinders from 1 through 12 to match the engine under test. Adjust
the dwell angle according to the procedures outlined in your vehicle service manual. Re-
check the timing whenever the dwell angle has been adjusted.
Press
SELECT button momentarily to display DWELL reading in terms of percentage
(%) if required. Positive & negative trigger slopes are selectable through pressing
TRIGGER button for one second or more in %Duty function for advanced
applications.
Trigger level defaults at 3. Press the
Level ( RANGE) button momentarily to select
another trigger level. If the DWELL or %Duty reading becomes unstable, select
lower sensitivity to avoid electrical noise. If the reading shows zero, select higher
sensitivity. Number of Bar-graph pointer is used to indicate sensitivity selected.