Menu items
38
Figure 13 Reset interlock request
Operating mode The operating mode determines when and how often the light source emits an
optical pulse and is also referred to as the trigger mode.
To set the operating mode:
1. Press the enter button to enter the laser’s sub-menus.
2. Turn the selection dial until the menu displays, System menu - Operating
Mode
3. Press the enter button to enter the Operating Mode selection menu.
4. Use the selection dial to choose an operating mode
5. Press the return button twice to return to the top level menu.
The operating modes available are described in the following.
Figure 14 Operating mode sub-menu
Internal trigger
The laser emits continuous pulses at the set repetition rate. The rear panel
trigger inputs are not used. The repetition rate is set using the Frequency sub-
menu.
External trigger
One pulse is emitted each time the leading edge (low to high transition) of a
trigger signal is detected at one of the external trigger input ports. The rising
edge of the trigger signal must reach the detection threshold level for the port.
Software burst
A burst of pulses at the set repetition rate is emitted each time the laser receives
a telegram to initiate the burst. To send telegrams to the laser over it’s RS-232
serial or USB interface, you must implement the NKT Photonics Software
Development Kit (SDK). The SDK can be downloaded from:
https://www.nktphotonics.com/lasers-fibers/support/software-drivers/
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