ILX Lightwave LDC-3908, User Manual

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O P E R A T I O N S
Using the LDC-3908 Menu Structure
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function). Use the Adjust Knob or Adjust INC/DEC keys to change from off to on, or on to off. You
must press Adjust Enter after making the desired selection in this menu to execute the change.
Figure 2.8 Display Configuration Menu
Calibration
The Calibration Menu allows you to calibrate from the front panel all Laser and TEC functions for
each of the modules (8 max.) you have loaded in the LDC-3908 Mainframe. Remote calibration
through the IEEE488.2 GPIB or serial RS-232 interface is provided as well. (See Chapter 3.) ILX
Lightwave recommends that the instrument be calibrated every 12 months, or whenever
performance verification indicates that calibration is necessary (such as any difference between the
displayed Laser current and the actual laser current which exceeds the specified value). Calibrate
the instrument under laboratory conditions. We recommend calibration at 23o C ± 1.0o C. When
necessary, however, the LDC-3908 Laser Diode Controller modules may be calibrated at their
intended use temperature (if this is within the specified operating temperature range of 0 to 40o C).
For specific calibration information see the Service Reference section of your module instruction
manual.
Figure 2.9 Calibration Screen
Save and Recall
The Save and Recall feature is useful for applications in which you may need to alternate between
particular instrument configurations. The Save feature allows you to store easily all front panel
settings for any given configuration. These settings, which are stored in one of ten memory bins,
can be retrieved at any time with the Recall function. This saves setup time, and it reduces the
chance of setup error for tests which are repeated periodically. See the relevant module manual for
information on instrument configuration set up.
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