A
Figure A-5. Correct Positioning of the Tunable Laser Source
Switching on the Tunable Laser Source
When you switch on the tunable laser source it goes through three start-up
phases
1. Self test,
2. Initializing, and
3. Stabilizing.
Self test
This is the same self test as described in \Performing a Selftest" in Chapter 3.
Initializing
Initializing takes a minute or two. During this time, the instrument performs
a self test. The rst test is of the memory; while this is being done, all the
elements on the display are turned on. If the instrument fails the memory test,
this display will start blinking. After this, the rest of the self test is performed.
The test being performed is shown on the display.
Installation A-7
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