Tektronix 7D20 Operator's Manual page 90

Press
Remarks Display
t
a
Return cursor 1 to the
beginning of the waveform
while observing
the
movement of the cursors on
both versions of the
waveform .
VCMPQ
Notice that because the
VPUP4
HMAG key is illuminated,
VPDNb
these functions affect the
VXPD
b
magnified portion of the
cursor waveform display .
Note : To modify the
F3EFerence waveform you
must
be in a HOLD
condition and HMAG and
VS must be off .
The J key illuminates to
permit the selection of a
shift function .
REF
Turns off the erence _
waveform .
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HMAG
Terminates HMAG and the
HMAG key extinguishes.
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Oper atin g Instructi on s-7D20
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