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Model
8902A
Operation
EXAMPLE
To
set
an upper limit of 75 kHz FM deviation:
I
I
Enter RATIO reference
1
L U p p e r limit
=
RATIO reference
LExit RATIO
J
I
. -
(program codes)
M2 75 R114.2 SP
RO
Measurement
2
TJ
T
T
Code
Display
Data
Function
D
i
s
p I a y
Read the FM deviation in kHz with an upper limit set at
75
kHz.
HP-18 PROGRAM CODES
T h e codes
for
performing the various limit operations are provided in "Procedures".
RATIO off
=
RO
RATIO o n
=
R1
COMMENTS
Relative Limits Not
Possible.
T h e test for out-of-limit results is performed on the actual measurement results, not upon the
displayed number, Thus, if the Ratio feature is enabled simultaneously with the Limit feature, the
limit test is still based o n the measurement result, not the computed ratio. Limits cannot be set in
terms of relative measurement results.
Importance of Key Sequence.
If Special Function 14.1 or 14.2 is initiated with n o previous numeric value. the ratio reference
becomes the entered value. The desired limit must be entered before the Special Function numeric
code.
3-25 I
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