Teradyne Z1800 Series, Руководство оператора

Страница: 108 / 118

3-15
Z1800-Series Operator’s Guide
Important: <ID> and <NAME> are replaced with component data.
If the programmer has not correctly oriented the device in the setup, you can manually
override the orientation and device type. Use the keyboard to change the package and
orientation.
Important: Once you start probing, you cannot change the display. Any key press is considered a Start.
If you do not need to reorient the device, either press the Start button to continue with the
initial pass, or press the Cancel button to stop Digital Tracer and report an operator
cancellation.
To orient the device, choose from the options listed on the legend in the upper right corner
of the screen. The options are described below.
•
Package
Press P to toggle between Dip or Quad. Choose DIP if you have pins on two sides.
Choose Quad if you have pins on four sides.
• Orient
Press O to specify the direction that pin 1 faces. The in-circuit (IC) graphic rotates one
quarter turn counterclockwise each time you press the key.
The illustration below shows the orientation of a DIP device and the location of pin 1,
which is indicated by the square (pin graphic) in the corner.
The following shows the orientation of a QUAD device and the location of pin 1.
•
Pin 1
If pin 1 is not in the correct location, press the + key to move pin 1 counterclockwise
around the IC graphic, or press the - key to move pin 1 clockwise around the IC
graphic.
Up
Left
Right
Down
Up Left Right
Down
Standard
Location of
Pin 1 in DIP
Pin 1 Offset=1
in DIP
Pin 1 Offset=2
in DIP
Standard
Corner