Fluke 93 - Page 94

PERFORMANCE
VERIFICATION
PROCEDURE 4-25
S«ttln gs^^roeedura/raq ui rofnorto
:
Squsr0 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 11
2.64
ms
B 1 B
1
1
1
•REQ
976
Hz
1B
1 1
1
1
B
11B
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.