Tektronix 7603 Operator's Manual page 8

Operating
I
nstru ctio n s-7603/R7603 Operators
I
FUN
CTIO
N
S O
F
CO
N
T
R
O
L
S A
N
D CO
NNE
CTO
R
S
F ro nt
P
anel
L ig ht: I nd icates that the
p
ower switch is on and
t
h at the
i nst rument is co nn ected to α li ne voltage so urce.
1 . I NTEN SITY-Controls br ightness of the
d
isplay. Control is
i noperative when horizontal co mp a r t ment is vacant.
8. CA L I BR ATOR -Calibr ator output
p
i n jacks (4
V,
0 .4
V,
40
mV, ground) . Positive-going pulse
o r DC voltage selected by
2 . RE ADOUT-T urns on
t
he readout
d
isplay and co ntrols the
changi ng i ntern al ju mper . R epetitio n rate is approximately one
rea dout i nte nsity .
kilohertz .
3. F OC US- Provides adjustment fo r op ti mum display
d
efinition.
4. G RATIC ULE
I
LLUM -Controls graticu le illumination .
LEFT : Signals from pl ug-in un it i n left ve rtical compartment
are
d
isplayed .
5. BEAM F I NDER-When pr essed, the scan is limited to withi n
t
he g raticule area . A LT: Signals fr om plug-in un its i n bot h
t
he left and rig ht
ve rtical co mpartments
a re displayed (dual trace) . Display
switched betwee n vertical
p
lug-in un its afte r each sweep.
6 . TR IG SO UR C E -Selects source of i ntern al trigge r sign al fo r
t
he time
b ase p l ug-i n in
t
he horizontal co mp artment .
ADD : Signals from plug-in un its in both
t
he left a nd rig ht
vertical co mpartme n ts a re alge braically add ed and
t
he sum is
LEFT: T he trigge r signal is obtained
f rom the pl ug-i n un it in
d
isplayed on
t
he C RT.
the left ve rtical com partment only .
CHOP: Sig n als from pl ug-in units
i
n bot h
t
he left a nd right
VERT
M
OD E : Trigger signal automatically follows the vertical
vertical comp artments a re
d
isplayed (dual trace) . The
d
isplay is
d isplay exce pt in
C
HOP and ADD; then
t he trigge r signal is the
switched b etween ve rtical
p l ug-in un its at ap pr oximately one
algebr aic su m of the signals from the left and right vertical megahertz rate.
compartme n ts .
R IG HT : Signals fr om pl ug-in un it i n right vertical compa r t-
RIG HT: T he trigger signal is obtained
f
rom
t
he
p
l ug-i n unit in ment is
d
isplayed.
the right ve rtical compartment only .
10. Ca mer a Power (Not
L
abeled ) -T hree-pi n co nn ector on
C RT
7. P O WER-
b
ezel pr ovides
p
owe r outpu t (+15 V) . Receives remote si ngle swee p
reset signal from co mpatible came ra systems, and α g r o und pin
Switch: Co ntrols power to the i n st rument. connection .
9. VERT MOD E-Selects ve r tical mode of operatio n .
F ig . 1-2. Front-panel co ntrols and connectors .
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