ML248xA / ML249xA Common Procedures
5-34 13000-00162
September 2005
Entering a Frame Arming Level and Duration
As explained on the previous page, a frame arming level and duration can be specified to
find the off period of a pulsed waveform. The trigger is re-armed only on the condition that
the signal stays below the specified level for the specified duration. Once the trigger has
been re-armed the power meter will then always trigger on the first rising edge of the
sequence of pulses after the off-period.
1. Press the Channel hard key to display the [Channel] group of commands.
2. Press the Trigger soft key to display the [Trigger] menu and then press More
followed by Arming.
3. Press the Frame soft key to enable use of the Set Frame Level and
Set Frame Duration.. soft keys
4. Press Set Frame Level and set the frame level using either of the methods below.
• Use the Inc and Dec soft keys to increment or decrement the displayed value
by the amount specified from System > Config > Set Inc/Dec Steps .
• Press the [Sel] key on the numeric keypad and enter a value as described in the
previous chapter.
5. Press Set Frame Duration.. and set the frame duration in the same manner.
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