TV LINE I
selects tine line
number
of the TV frame
oum which
to trigger thur
sweep for the selected video format. Options 101 and /02, or Op/ion 301
only.
TVSTND
accesses the softkey menu tinat is used for triggering on NTSC,
PAL, PAL-M, or SECAM-L video formats. Options 103 arid /02. or Op/iou
301 only.
TV SYNC NEG POS
triggers on thin usegative or positive viuheo fornusat. Most
formats use the negative position, SECAM-L unses
luositive.
Op//otis 101 amid
102, or Option 30! curly.
TV TRIG
activates
the
TV trigger moule and accesses thmu’ IV Trigger iureuiun.
Optioums 101 and 102, or Options 301 ornly.
TV TRIG EVEN FLD triggers on an even field of an intenlacerl viuleo huictune
format. Options 101 and /02, or Optnon 301 only.
TV TRIG ODD FLD
triggers on an orhuh field of an iuiterlaceh viuheo pictunru’
fornnsat. Option.s lOt auid 102. or Op/ron 30/ only.
TV TRIG VERT INT
triggers on a vertical intu’rval (only for niuuuiinitenlaceih
video picture forunats).
Oplionti 101 ann 102. or Optnomn 301 ouuly.
USER MENU(S) accesses nneniu 1, which us available for uiser-uhehinied
lay
funnictionis.
VBW/RBW RATIO allows the selection
of the ratio huetweemi
tIne videuu arid
resolution huanudwidthis.
VERIFY TIMEBASE allows the time base
digit al-to-analog converter to hue
chauuged to
verify
thuat blue time base perforniss to specificationi
-
[PRESET)
resets the time base to its original valmue. A pass code us ruruhunireul to access
this fnniction. VERIFY TIMEBASE uhoes not apply to Option 1)01 amid is muot
available for liP 859013 muir! 111’ 859213.
VID AVG ON OFF iuotiates a uhigital averaging routine that averages displaveub
signals arid noise. It does riot affect the sweep time, hanuulwidtli
,
or other
analog characteristics of the spectrunrn anualyzer.
Spectrum Analyzer Functions
2-23
