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Standard Waveform

STANDARD WAVEFORM REFERENCE CHART

FUNCTION SPECIAL PATTERNS
Pattern height Variable
Variable knob Adjust while viewing the wave pattern
Pattern selector Raster
Engine revolutions Curb idle speed
Fig 1: Identifying Standard Waveform
G02482091Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
NOTE: The voltage waveform of the generator "B" terminal can undulate as shown at left. This waveform is produced when the regulator operates according to fluctuations in the generator load (current), and is normal for the generator. If the ripple height is abnormally high (approximately 2V or more during idling), the wires between the generator "B" terminal and the battery have broken due to fuse blowing, etc. The generator is usually operating properly.
Fig 2: Identifying Voltage Waveform Of Generator
G02482092Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.