Navistar International DT 466 Diagnostic/Troubleshooting Manual page 581

Use the following procedure to check duty cycle:
Figure 561 FLUKE 88 in volts dc mode
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
8 DIAGNOSTIC TOOLS AND ACCESSORIES
EGES-270-1
Follow all warnings, cautions, and notes.
© August 2008 Navistar, Inc.
1. Turn the large dial on the meter to volts DC,
indicated by V RPM.
Figure 562 FLUKE 88 with negative trigger slope
in duty cycle mode
2. Press the % DUTY button to select duty cycle
mode. The screen on the meter will show TRIG
(with a _ under the TRIG) in the lower left hand
corner of the screen. A percent sign will appear
on the upper right hand corner of the screen.
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