Appendix
164
Selects a bit by its position in the pattern. The Bit# is automatically
incrementing when changing the value of a bit.
Press the Bit Value softkey to select the value of the selected bit.
Depending on the number of levels in the pattern, the Bit Value can either
be set to 0/1, 0/1/idle, or 0/1/2/3. For easy editing, the different bit values
can be entered using the numerical keypad. Press 0, 1, 2, 3 for the
corresponding bit value. Press the decimal point key to enter a idle or ‘-‘ bit.
The Loop Offset defines the bit position at which the pattern will be
continued when the end of the pattern has been reached. The Loop Offset is
set to 0 by default, Setting the Loop Offset to values greater than 0, allows
the definition of an initialization or preamble pattern in front of the test
pattern that will be looped during the pattern generation.
Press the Hw Update On/Off softkey to select whether changes in the
pattern shall be immediately programmed into the hardware, or if the
hardware update shall be suppressed until editing of the pattern is finished.
Especially when editing longer patterns, the process of editing will be faster
when the pattern download is being suppressed.
Press the STORE in NON-VOL softkey to leave the editor, apply the edited
pattern to the hardware and store the pattern in non-volatile memory. The
81150A / 81160A provides 4 non-volatile memory locations for patterns.
Additionally it is possible to store the pattern to a external USB memory
device. See the description of the pattern browser below.
Press the END Edit softkey to leave the editor and apply the edited pattern
to the hardware. The pattern will be kept in VOLATILE memory when leaving
the editor.
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