EXFO IQS-2400 WDM Laser Source for IQS-500/600 - Manual (Page 29)

Setting Up the WDM Laser Source
WDM Laser Source 23
Selecting a Control Mode
The spectral value shown on the data display is either the wavelength or
the frequency of the signal emitted. The spectral value corresponds to the
spectral unit you select in the main window. Wavelength values are given
in nm and frequency values in THz.
To select a control mode:
1. From the main window, select the Settings function tab.
2. Select the Control and Modulation tab.
3. From the Control Mode panel, select the desired control mode.
Note: You can modify the control mode while the laser is active. Changes to laser
operation will take effect immediately.
Source
control
mode
Source
status
indicator
Interlock circuit status indicator Spectral and power values
Reference values Temperature and current values