Avantes AvaLight HAL Mini Manual - Page 10

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3.3 Settings for high power, long life or disable

The AvaLight-HAL-MINI factory settings are for normal power output. The optical energy can be

changed to Long-Life or High-Power modes by setting the correct I/O pin to High-level on the

external I/O connector.

With the disable function that is present on the I/O connector the user can disable the optical

output of the light source by setting this signal to high-level.

When the light source is used in combination with an AvaSpec spectrometer, interface cable IC-

DB26-2 and AvaSoft, the optical output can be changed by AvaSoft. It is also possible to disable and

enable the light source by AvaSoft. See appendix A.

When the light source is not connected with an interface cable, the DONGLE-MINI-H for high power

or the DONGLE-MINI-L for long life can be placed on the I/O connector to change the optical output.

See appendix B.

The AvaLight-HAL-S-MINI factory settings are adjusted to the optimal focus of the output into a

200µm fiber. If a different optical power is needed or a different fiber (bundle) diameter is used,

the focusing of the light source on the fiber can be adjusted as described below.

1. Connect your fiber optic spectrometer (or your optical power meter) to a fiber onto the

AvaLight-HAL-S-MINI SMA connector.

2. Unscrew locking-screw, of the collimating lens, with delivered Allen key (1.3mm).

3. By shifting the SMA socket you can optimize you optical power.

4. Secure position by tightening the locking screw.

Revision: 1-01

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