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Using the OSICS DFB Module
OSICS User Manual
93
c. Perform steps a. and b. again with the other digits to modify.
d. Turn the rotary knob clockwise to put the cursor under ENTER and press the knob
to validate the value.
A confirmation message is displayed
4.
Press the knob to confirm.
The message
Calibrating…
is displayed during the calibration process. It may take
up to two minutes.
Once the calibration is performed, the
Unit Setup
menu is displayed.
8.7.2
Performing a Power Calibration
Subject
This section explains how to perform a one-point power calibration sequence using the
Power calibration
function. The purpose of this calibration is to correct the discrepancies
between the power displayed by the OSICS DFB module and the power measured at your
reference power meter.
The new calibration data sets the new system calibration default.
Before Starting
Make sure you have a power meter.
Procedure
1.
Set the DFB output power to
1 mW
.
2.
Connect the optical output of the OSICS DFB module to a power meter.
3.
Enable the module optical output (see section
Enabling/Disabling the Light Source of
).
4.
Access the DFB
Unit Setup
menu (see section
Accessing an OSICS Module Setup
).
5.
Expand the
Calibration
menu and enter the
Power calibration
sub-menu.
The message
Moving...
appears, and the
Power calibration
sub-menu appears,
prompting you to correct the power value.
Figure 63: DFB Unit Setup – Power calibration
6.
Measure the power level on the power meter.
A valid power value can range from 0.6 mW to 1.2 mW.
7.
Enter the power value measured by the power meter and select
ENTER
.
The message
Moving...
appears while the power value is set. A confirmation
message appears.
Main
EXIT
2
3
4
5
6
7
8
DFB Unit Setup - Power Calibration
ESCAPE
▲
Power :
P = +06.771 dBm
Correct the value.
ENTER
1