Keysight N777-C Series Tunable Laser Family User’s Guide 73
N777-C Web User Interface Reference 4
 
2Click on the Device Locked button the lock or unlock the device. 
How to Turn ON/OFF the Laser?
To turn ON/OFF the laser; 
1 On the Control Instrument page, click to Settings > Measurement 
Settings and then go to Shutter Open option. 
2Click on the Shutter Open button the turn ON/OFF the high-power 
laser. Ensure that your device is unlocked. 
3 Additionally, you can also click on the Laser ON/OFF button available 
on the Control Instrument page. 
Please note that you will be not able to open the device shutter or turn on 
the laser until the device is locked.