Teledyne LeCroy USB Chief - Users Manual - Manual (Page 123)

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Chief User’s Manual CATC Version 1.7
• Check a Trigger under On/Off to start a recording that continues until the
buffer is full
OR
Check a Trigger under Signal Continuously to instruct the Analyzer to keep
recording until you stop it.
• Set the Trigger Output format:
— Select Pulse High to trigger when the signal goes up.
— Select Pulse Low to trigger when the signal goes down.
— Select Toggle to trigger when there is a signal change, regardless of
whether it goes up or down.
USB Current Measure
The USB Chief can measure the current of a device. The Breakout Board contains
a convenient place to measure the USB current being used by the device
connected to the Record & Generate port.
To measure the USB current, follow these steps:
Step 1 Insert a current meter in series on the current measurement terminals of
the Breakout Board.
Step 2 Select ON for Current Measure in the Power and Connection window
under Setup on the Menu Bar.
Prototype Rework Area
The Breakout Board contains a prototype rework area for making custom circuits
for rapid development. The area consists of plated-through holes, 9 columns wide
by 31 rows long. The top row of holes is connected to +5V and the bottom row is
connected to GND. The remaining holes are not connected. Use the rework area
to insert custom components and wire-wrap their respective signal, power, and
ground pins.