Run; Edge Trigger Mode; Source Field - HP 1652B Getting Started Manual

Run. If Run is selected in the Armed by field, the oscilloscope will be
in the free-run mode and the waveform display will not be
synchronized to a trigger point.
BNC Input. If BNC Input is selected, and the oscilloscope is in the
trigger Immediate mode, it triggers and synchronizes itself as soon as it
is armed by a signal from the External Trigger Input on the rear panel.
Machine 1 and 2. If Machine 1 or Machine 2 is selected, and the
oscilloscope is in the trigger Immediate mode, it triggers and
synchronizes itself as soon as it is armed by an internal signal from the
appropriate analyzer.
The default selection for the Armed by field is Run.
Edge Trigger
Edge trigger is the type of triggering found in all oscilloscopes. In edge
Mode trigger mode the oscilloscope triggers at a specified voltage level on a
rising or falling edge of one of the input channels.
In this mode you can specify which inp lut is t :he trigger source, set a
trigger level voltage, and specify which edge to trigger on.
Source Field
The trigger Source field is located in the middle of the top row of fields
and when selected, will toggle between channels 1 and 2.
The default selection for the Source field is channel 1.
-.
Trigger Menu
24-4
HP 16528/1653B
Front-Panel Reference