HP 8590 E-Series User Manual page 285

HP 8592L, HP 85933, HP 85954 or HP 8596E only.
YTF SPAN
displays a trace of the voltage driving the YTF as it sweeps through the
displayed span. This is a service diagnostic function and is for service use only,
Refer to the service guide for more information.
Front-Panel Key Access: (CAL)
HP 8592L, HP 85933, HP 85953 or HP 8596E only.
YTF TUNE
displays the output produced by the YTF coarse-tune DAC located on the
COARSE
A7 Analog Interface assembly. This is a service diagnostic function and is for
service use only.
Front-Panel Key Access: @iiJ
HP 8592L, HP 85933, HP 85954 or HP 8596E only.
YTF TUNE
displays the output produced by the YTF fine-tune DAC located on the
FINE
A7 Analog Interface assembly. This is a service diagnostic function and is for
service use only.
Front-Panel Key Access: ICAL)
accesses the softkey menu used for selecting the characters Y, Z, underscore
C l e a r
Front-Panel Key Access: a), (CONFIG), [DISPLAY], (?GXQ, or ISAVE)
Option 105 only. Option 101 is recommended.
ZERO
MARKER
zeros the value of the delta marker to establish a new reference. The
ZERO MARKER softkey is in the pulse parameter entry menus of the gate
utility.
Front-Panel Key Access: [SWEEP)
changes the frequency span to zero and turns off marker track if it is on.
ZERO
Front-Panel Key Access: ISPAN)
SPAN
HP 8591 E, HP 8593E, HP 8594E, HP 8595E, or HP 8596E only.
ZONE
CENTER allows the zone markers to be moved in frequency without changing the zone
span. The zone markers are vertical lines marking the zone on the upper
window. They correspond with the frequency range displayed in the lower
window. As the zone markers are moved the center frequency of the lower
window is changed but the lower window will not be updated unless it is
active.
The zone can be moved beyond the frequency range that is being displayed
in the upper window. Its movement is limited to the frequency range of the
spectrum analyzer. The zone markers will be displayed at the edges of the
upper window when the zone is moved beyond the displayed frequency range.
Front-Panel Key Access: WINDOWS (ON)
7-92 Key Descriptions