Fluke PM6690 Service Manual page 98

Figure 6-93
SPI bus activity - oven - directly after power-up.
Figure 6-95
SPI bus activity - PLL - first transfer close-up.
6-54 Troubleshooting
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Figure 6-94
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Figure 6-96
SPI bus activity - PLL - directly after power-up.
SPI bus activity - trglvl.
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