OptoTest OP940-SW Instruction Manual page 32

OP940-SW
Front Panel Operation
Multichannel Units
On the RL Ref screen, there is another added feature, which allows the operator to
copy the return loss information to all other channels. This feature is useful when testing
using cables of equal length and when using fanout cables as reference cables. It can be
accessed on the 3rd page of options on the RL Ref screen as seen below:
Page 3
Copies RL reference position from current channel to all channels
of the units
Calculates the difference between the RL reference value and
-14.7dB for each wavelength. This option calculates the return
loss correction for an open flat PC connector and will set the
return loss to -14.7dB
Allows the user to reference return loss using an open
angle-polished connector
Displays on-screen context help for this mode screen
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