Field or control
Description
Mode & Holdoff
Trigger Mode determines how the instrument behaves in the absence or presence of a trigger event.
Holdoff sets the amount of time the oscilloscope waits after a trigger event before detecting and
triggering on the next trigger event.
For additional information on Trigger Mode, Holdoff, forcing a trigger, and the Trigger Frequency
Counter see
on page 226.
Act On Trigger
Set the actions the instrument takes when a trigger event occurs.
For additional information on the Act On Trigger panel see
on page 227.
USB serial bus trigger settings panel
Use the USB bus menu (optional) to set up and display an USB 2.0 (Universal Serial Bus) waveform.
Note: Requires option SRUSB2.
Field or control
Description
Source
Select the USB bus on which to trigger.
Trigger On
Select the type of information on which to trigger: Sync, Reset, Suspend, Resume, End of Packet,
Token Packet, Data Packet, Handshake Packet, Special Packet, or Error.
Trigger When
Sets the trigger when condition.
When set to Inside Range or Outside Range, fields are displayed to set a high and low boundary
pattern for the specified trigger type.
Tap the Binary or Hex field and use the A and B knobs to select and change the values. Or double-tap
on the field and use the virtual keypad to enter values.
Available when Trigger On = Handshake Packet, Data Packet, Error, Special Packet Packet, or
when Trigger On is set to Token Packet and Token Type is set to anything but SOF (0101) .
Token Type
Sets the token packet type on which to trigger.
Available when Trigger On = Token Packet.
Endpoint
Sets the token packet endpoint pattern on which to trigger.
Use in conjunction with the Trigger When field to specify the exact trigger condition.
Tap the Binary, Hex, or Decimal field and use the A and B knobs to select and change the values. Or
double-tap on the field and use the virtual keypad to enter values.
Available when Trigger On = Token Packet and Token Type = all except SOF (0101).
Handshake Type
Sets the handshake packet type on which to trigger.
Available when Trigger On = Handshake Packet.
Packet Type
Sets the special packet type on which to trigger.
Available when Trigger On = Special Packet.
Table continued…
Menus and dialog boxes
3 Series Mixed Domain Oscilloscope Printable Help
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