Photodiode Sensors - OPHIR vega User Manual

2.4 Photodiode Sensors

2.4.1. Selecting Wavelengths
1. While the Vega is off, plug in the sensor then switch it
on again.
2. From the main measurement screen, press "Laser" to
select the correct laser wavelength. If you want to
save this new wavelength as the startup default,
press "Save" before exiting. If the wavelength you
want is not among the wavelengths in the six
wavelengths list and want to change or add a
wavelength, see section 2.4.2 below.
3. Follow the directions on configuration in section 2.4.4
below.
2.4.2. Changing Chosen Wavelengths
1. From the power measurement screen select "Laser"
and enter. Move to the wavelength you wish to
change or add. Press the right navigation key.
2. Using the up/down navigation keys to change each
number and the right/left navigation keys to move to
the next number, key in the desired wavelength. Press
the Enter key to exit. To save this new wavelength as
one of the 6 favorite wavelengths, press "Save".
Note: Saving the new wavelength in the Modify screen
will not set this wavelength as the default startup
wavelength. To do so, you must follow the instructions in
Section 2.4.1 above.
2.4.3. To choose manual or automatic ranging or dBm in
power measurement
Select "Range" and enter. Using the navigation keys,
select the appropriate manual range, autorange, or
dBm (logarithmic scale).
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