Tektronix 7D20 Operator's Manual page 68

Press Remarks
Display
a
2
These two keys move cursor
2~ 2 the same way the a1 and ~~ ~®
1~ keys move cursor 1 . '
However, cursor 2, when
moving toward the begin-
ning of the cursor
waveform, cannot be moved
past cursor 1 . Cursor 2
comes to a stop when it
reaches cursor 1 . Position
cursor 2 about two divisions
to the right of cursor 1 .
3e57-a5
Again permits the selection
of a shift function . The key
will begin to blink .
DOFF Turns
off cursor 2
illuminates the DOFF _key .
The ~OI\f key and the f key
are extinguished .
Operating Instructions-7D20
1 ~
When cursor 1 reaches the
same data point as cursor 2
it pushes cursor 2 toward
the end of the waveform .
Cursor 1 cannot be
positioned to the right of
cursor 2 .
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a1
Notice as cursor 1 moves
away, cursor 2 remains ~ ~®
where it was previously
positioned . Return cursor 1
to the first data point .
3857-47