EXFO PM-1600 High-Speed Power Meter - Manual (Page 61)

Programming Acquisitions
High-Speed Power Meter 51
Programming Triggered Acquisitions
5c. To set the trigger type,
➤
Press ENTER to access the trigger edit box, i.e., to define whether
the acquisition will be triggered by an external signal on positive
(rising edge) or on negative (falling edge) TTL voltage transitions
using the external trigger or be started when the measured power
on channel #1 or #2 is greater or smaller than the specified power
level.
➤
Use the up/down arrow keys to select Rising Edge or Falling
Edge, then confirm by pressing ENTER.
5d. To set the trigger level,
➤
If you selected Chann. 1 or Chann. 2, use the up/down or left/right
arrow keys to select Level.
➤
Press ENTER to access the trigger level edit box.
➤
Use the left/right arrow keys to select the desired sign and digit and
the up/down arrows to increase or decrease the flashing value.
Then confirm by pressing ENTER. You can enter a trigger level from
−90.000 dBm to +90.000 dBm or from +001.0000 pW to
+999.9999 kW. The trigger level must be set in absolute power
measurement mode (see Measuring Absolute Power on page 14)
and must be within the range of the active channel (see Setting
Measurement Range on page 22).
Note: You can toggle between dBm and W units from within the trigger menu by
pressing dBm/W.
➤
Confirm the trigger power level by pressing ENTER, then exit the
trigger menu.
Programming Acquisitions
High-Speed Power Meter 51
Programming Triggered Acquisitions
5c. To set the trigger type,
➤
Press ENTER to access the trigger edit box, i.e., to define whether
the acquisition will be triggered by an external signal on positive
(rising edge) or on negative (falling edge) TTL voltage transitions
using the external trigger or be started when the measured power
on channel #1 or #2 is greater or smaller than the specified power
level.
➤
Use the up/down arrow keys to select Rising Edge or Falling
Edge, then confirm by pressing ENTER.
5d. To set the trigger level,
➤
If you selected Chann. 1 or Chann. 2, use the up/down or left/right
arrow keys to select Level.
➤
Press ENTER to access the trigger level edit box.
➤
Use the left/right arrow keys to select the desired sign and digit and
the up/down arrows to increase or decrease the flashing value.
Then confirm by pressing ENTER. You can enter a trigger level from
−90.000 dBm to +90.000 dBm or from +001.0000 pW to
+999.9999 kW. The trigger level must be set in absolute power
measurement mode (see Measuring Absolute Power on page 14)
and must be within the range of the active channel (see Setting
Measurement Range on page 22).
Note: You can toggle between dBm and W units from within the trigger menu by
pressing dBm/W.
➤
Confirm the trigger power level by pressing ENTER, then exit the
trigger menu.