Racal Instruments 1994 Service Manual page 68

Table
3.1
- Front
Panel
Controls,
Indicators, and Connectors
(Cont'd)
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(R-X)
Y/Z Math
Key/LED*
PEAK A
Key
Function/Description
Selection of
Math
computation
mode
Displays positive and
negative
signal
peaks
of Input
A
by
using key sequence
SHIFT
RECALL PEAK A
Displays positive and
negative
signal
peaks
of Input
B by
using
key sequence
SHIFT
RECALL PEAK
B
NOTE:
During
recall
of
PEAK
A
or
B, the
counter must
be
in
the Auto-Trig mode.
Permits counter
to accumulate
100 gate
measurements and
display the average.
A
1-decade improvement
in resolution
results. Enable the Average
function
using key sequence
SHIFT
100
AVG,
turning on the
LED.
Perform
the
same
sequence again
to disable the function
and
turn off
the
LED
Stores constants for math
functions, gate
time, time-interval delay,
and
special
functions.
Used
with
MEMORY
key
to
store
complete
measurement
(i.e.,
machine) setups
3-12