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Tunable Laser Sources
How to Set the Power
How to Set Power and Attenuation
Attenuator If your tunable laser has an in-built optical attenuator, you can set the laser
output power and then set the attenuation.
1 Move to the Tunable Laser channel and press [Details].
2 Choose the Output 2, the high power output, for a Tunable Laser module
with two optical outputs, as described in “How to Set the Optical
Output” on page 98. For modules with one optical output this is not
necessary.
3 Move to the power parameter, [P], and press [Pwr unit].
4 Move to <dBm> and press ENTER.
5 Type 5.000, using the numerical keypad and press ENTER.
6 If [POWER MODE] is not set to <MANUAL ATT.> (see Figure 5-1), that
is, it is set <AUTOMATIC>, perform the following steps:
a Move to [POWER MODE] and press ENTER.
b Move to <MANUAL ATT.> and press ENTER. The attenuation
parameter, [ATTEN.], appears, see Figure 5-3.
7 Move to [ATTEN.], type 3.000, using the numerical keypad, and press
ENTER.
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