Cap Tur Ing D Ata Disp Lays - Aeroflex 3900 Series Option Manual

C a p t u r i n g D at a D i spl a ys
The top part of the Tile displays d emodulat ed bu rst data; the low er part displ ays the same da ta
follo wing de- scramblin g and channel decodi ng.
The lowe r sect ion o f t he Ti le cont ains d ata f ields that defi ne t he numbe r o f bur sts t o be captu red.
This section of t he T ile a lso pr ovides f rame num ber ing in forma tion and a time stamp r elat ive to the
fir st capt ure d bur st.
The component s of the demodula ted b urst data are indica ted a s eith er bin t o iden tify binar y data or
hex to ident ify hexadecimal dat a. Demodu lated B urst D ata componen ts a re listed in th e t ables in the
section tit led Data Di splay Fi le Fo rm at
To st art a d ata ca ptur e:
1. Pr ess th e [S tar t ] sof t key.
2. Spe ci fy t he numbe r of bur sts t o be captu red in th e C aptur e B urst s entr y f ield. The bar
gra ph bel ow the ca ptur e ind icates t he p rogr ess of the captur e.
3. Re turn t o Ma nual - Til ed Displa y Mode w hile th e Dat a ca ptur e i s r unning . R etu rn to D ata
Disp lay Mode aft erw ards.
A captur e is stopped at any t ime by p ressing the [St op] soft key. A progr ess ba r sho ws t he
pro port ion of th e capt ure that wa s complet ed w hen t he ca ptur e w as stop ped.
F i g . 2 - 1 3 T E T R A M S D a t a D i s p la y T i l e w i t h C a p t u r e d D a t a B u r s t s
T he i dentit y o f t he specific bur st displayed is show n on t he display, w ith the Mult i Frame, F rame and
Slo t numbe rs sho wn. Th e R el T ime (ms) value show s the time in mill iseconds f rom the st art of the
captur e u ntil the st art of the displayed bur st.
The Displ ay Bu rst reado ut b ox indi ca tes t he cur ren t capt ured bur st t hat i s displa ye d. By se lecting
this bo x a nd using t he vari able cont rol, the compass keys, or by en teri ng a value, the r equir ed bur st
is disp layed.
Demo dulate d dat a is d isplayed in
and trai ning se quences.
Deco ded da ta i s displaye d in
C o m m o n T E T R A O p e r a t i o n
.
R ED if it does n ot mat ch th e expect ed bi nary patt erns for tail bits
RE D if er ror s w ere dete ct ed i n the dat a.
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