Control Setup Chart; General Operating Information - Tektronix 7a15 Instruction Manual

Operating
Instructions-7A15
T
h
e following ste
p
s
d
emonstrate t
h
e basic o
p
eration of
t
he co ntrols of the 7Α 15 . It is recommen
d
e
d
t
hat this pr o-
cedure be followe
d com p
letely for familiarization with
t
he
instrument . O
p
eration of the oscilloscope an
d
time-base
unit is
d
escribe
d
in the instruction manu al for these units.
Setu
p
I
n
formation
1 . Insert the 7Α15
i
nto α vertical
p
lug-in com
p
artment
of α 7000-series oscilloscope .
2. Insert α 713--series time-base unit into α
h
orizontal
p
lug-in com
p
artment.
2-2
3. Set t h e controls as follows: Fig. 2-1. Oscilloscope display when
c
hecking amplifier Gain .
7Α 15 ( Left V
ert com
p
artment)
P OSITIO N
Midrange
POLARITY +UP
VO L TS/DIV
10 mV
CO UPL I NG
DC
VA R IA BLE
CA L IN
713511 (Β
H
oriz com
p artment)
L
evel/Slo
p
e Ce ntere d on
p
ositive slo
p
e
Triggeri ng
Mo
d
e Ρ-Ρ Au to
Co up ling AC
Source I nt
Time/Div 1 ms
Variable (Time/Div)
Cal In
M
agnifier
Χ 1
Β Delay Mode
I nde
p
en
d
ent
P
osition
Mi d range
7504 (Indicator Oscillosco
p
e)
V
ertical Mo de L
eft
Horizontal Mode
Β
Β Intensity
CCW
Calibrator 1 kH z, 40 mV
Β Trigger So urce L
eft Vert
4 . Connect the oscilloscope to α p
ower source wh ic h
meets the voltage an
d
frequency re
q uirements of the oscil-
loscope power su
pp
ly .
7 . Co nn ect t he Cali b rator outpu t to the 7Α 15 INPU T
co nn ector.
8. Chec k
t
he CRT
d
isplay for four
d
ivisions of vertical
deflection (see Fig. 2-1) . If necessary, ad just the front p
anel
GAI N for fo ur
d
ivisio ns of vertical
d
eflection .
9.
P
ress the ID ENTI F Y
b
utton an d
c
hec k
t
hat the
d
is-
play moves u
p
ward about 0.3
d ivisions. Also c hec k
t
h at t he
rea
d
out information on the CRT is replaced by the wo r
d
"IDEN TI FY" .
10 .
P
ress and release the VA R IA BLE control to its out-
ward
p
ositio n . Turn the VA R IA BLE control fully cou nter-
cloc kwise, an
d c
hec k for 1 .6
d
ivisions or less
d
isplay am pli-
tu
d
e.
P
ress the VA RIA BLE control to the CA L IN
p
osition.
11 . Change the VO LTS/DI V to 0.1 V, Calibrator Volts
to 0.4 V
a
n
d
t
he Triggeri ng So urce to
E
xt . Connect the
Calibrator output through α "Τ" connector to the time b
ase
E
xt Trig In an
d
t
he 7Α 15
I
NPUT con nector . Set the
P
OLAR ITY switch to INVERT to d
is play the o
pp
osite
polarity of the sq uare wave .
Th is com
p
letes the basic o
p
erating
p
rocedure for the
7Α15 .
I
nstrument operations not ex
p
laine
d
h
ere or opera-
tions wh ic h nee
d
further ex
p
lanation are
d
iscusse
d
un
d
er
General O
p
erating I nformatio n.
5. Turn the oscillosco
p
e
p
ower on and allow about 5 CO NT ROL
S
ET UP C H ART
minutes warmu p.
Figure 2-2 shows the front panel of the 7 Α15 . This c h art
can be repro duce
d
an
d
use
d
as α front
p
anel record for
6 . A
d
vance the Β Intensity until α free-r u nning trace is special measurements, app lications or
p
roce du res, or it may
observe
d
. A
d
just the
P
ositio n controls to center t h e t race
b
e use
d
as α training ai
d
for familiarization with
t
his instru-
οη the CRT. ment .