Using the Optical Spectrum Analyzer
The Bandwidth/Sweep Menus
To set the trigger delay
1Press the
2Press the More BW/Sweep Functions.... softkey.
3Press the Trigger Delay softkey.
4Use the knob, step keys or numeric entry pad to enter the desired value.
5Use the Trigger Delay softkey to set the delay between the external trigger and the triggering of the
The value you select is displayed in the Active Function Area.
To select the synchronous output
1Press the
2Press the More BW/Sweep Functions.... softkey.
3Press the Sync Out softkey until the desired output is selected.
The synchronous output allows external equipment to receive a sync signal at each sample point of the OSA sweep. When LOW is selected, the signal will be a TTL LOW. When HIGH is selected, the signal will be a TTL HIGH. When PULSE is specified, the signal will go HIGH when the external trigger is recognized and goes low when the