Example Drawings - Agilent Technologies HP E5574A User Manual

Figure D-7
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Appendix D. Performance Test
Test V. PDL/PDG uncertainty (#020 only)
a Mount the protection cap on the head in order to keep the
light out.
b Press M
ORE
c Press Z
ERO
d Unmount the protection cap and connect the equipment as
shown in Figure D-6.
4 PDL Measurement:
Do not move the patchcord during measurement!
a Press R
ESET
b Note the first stable value after the window full marker (|—|)
is shown at the display in the test record.
5 Move the fiber and the optical head to another position (see
Figure D-7 but don't move the equipment while measuring.
bend diameter
Optical Head
Note: Don't form the bend diameter smaller than 4 inches (10 cm) to prevent termin

Example Drawings

6 Repeat steps 4 and 5 twenty times.
7 Calculate the PDL/PDG uncertainty as described in the test
record.
207
.
and wait while zeroing.
.
Optical
Head
Optical Head