Fluke 93 Service Manual page 94

PERFORMANCE
VERIFICATION
PROCEDURE
4-25
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wave
A
Switch on the
Scope
Meter
and
press
the
SCOPE
key
to get
Into
scope mode.
B
Press
We
SPECIAL
FUNCT
Key.
Now
press the
left
most
softkey,
marked GENERATE.
This
will
reveal the
GENERATE
pop-
up menu.
C
Use
the
select/adjust
keys
to
select "Square:
976 Hz" and
press
the
right
most
ENTER
softkey
to activate
the generator.
0
Press the
LCD
key,
and
then press
the softkey
PROBE
CAL.
This
will
reveal the
CAL&ADJUST
pop-up menu.
Use
the select^adjust keys
to select
"Channel
A
1 ;1
and
press
the
ENTER
softkey
to
activate
1:1
coupling.
E
Now
press
AUTO
SET.
F
Press
the
CURSOR
DATA
key.
This
will
get
you
to the
CURSOR
DATA
menu.
Q
Press
the
CURSOR
softkey.
Use
the
<-CURSOR
1->
key to position the
left
cursor
line
on
the
most
negative part
of the
square wave
signal.
Use
the
<-CURSOR
2-> key
to
position
the
right
cursor
line
on the top
of
the square wave
sgnal.
H Now
press
the
FUNCTION
softkey.
This
will
reveal the
FUNCTION
pop-up menu.
Use
the
select/adjust
keys
to
select
"FREQUENCY"
and
press the
ENTER
softkey
to
activate the
frequency measurement.
Press the
FUNCTION
softkey again. This
will
remove
the
FUNCTION
pop-up menu.
1
The
ScopeMeter
display
will
look
like figure 4.12.
The
generator
must
produce a square wave
signal with an
amplitude
of
5V and
a frequency
of
976 Hz
(tyfrical
values).
A2VAC
B2VOFF
PROS
10:1
MOms/DIV
TRIG:
at
—
1
—
n
1
1
»
1
1
t
1
1 1
n
dV:
5,00
V
dL
1
1
•
•
B
IB
1
1
2.64
ms
B
1
B
1
1
1
•REQ
976
Hz
1
B
1
1
1
1
B
1
1
B
FUNCTION MARK
or
A
A
NONE
^
Figure
4.
12
Generator produces square wave
signal
S/ne
wave
J
Now
press the
SPECIAL FUNCT
key.
Press
We GENERATE
softkey to reveal the
GENERATE
pop-up menu.
Use
the
select/adjust
keys
to select
"SINEWAVE"
and
press the
ENTER
softkey
to
activate the
generator.
K
Use
the
mV/V
keys
to
adjust the attenuator.