Care and Maintenance
4-38 Ultrasound System – Common Service Information
Direction 5444964-100 English
Rev. 5
Generic procedure on probe leakage current (continued)
9. Test opening and closing the ground with the Ultrasound
system on and off.
a. Power ON the Ultrasound system.
b. After the Ultrasound system has completed the boot
process, select the probe to be tested so it is the active
probe.
c. Depress the “LIFT GROUND” rocker switch and record
the highest current reading.
d. Follow the test conditions and test limits described in:
• Table 4-6 on page 4-20, or:
• Table 4-7 on page 4-21, as applicable for every probe.
10. Record the highest current reading.
The test passes when all readings measure less than the stated
limits.
The actual location of the test probe may vary by Ultrasound
system. Measurements should be recorded for each probe
under the set of test conditions.
Record all data and keep the record of the results with other
hard copies of maintenance data.
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