User`s guide

Performance Test Instructions Performance Tests
Agilent 81560A, 81561A, 81566A, & 81567A Optical Attenuator Modules, First Edition 55
10 Enable the laser source and wait for stabilizing (>30 seconds).
11 Enable the attenuators.
12 Set the reference power meter to the wavelength of the source, set
the averaging time to 1s and display [dB]. Press [Display to
Reference].
13 Set the range mode of the reference power meter to [manual].
14 On the DUT attenuator edit [P Offset] until the parameter [P
SET
]
equals 0 dBm.
15 Lower [P
SET
] and the attenuation of the reference attenuator by
5dB.
16 Note the reference power meter reading in the Test Record.
17 Repeat steps 14 and 15 until the reference attenuator shows an
attenuation of 0dB.
18 Perform steps 14 and 15 upward until the reference attenuator
shows 55dB.