Lesson 2/Learning Event 8
Control
Indicator
Function
SW Pos
Action
EARLY
The analyzer indicates the peak early
PEAK
distortion (S-MTD) of the selected
transition(s).
LATE
The analyzer indicates the peak late
PEAK
distortion (M-STD) of the selected
transition(s).
PERCENT
Indicates, in percent, the magnitude of the input signal
DISTORTION
distortion.
Reading of the meter at any instant is
(meter)
proportional to the highest value entered in the storage
register up to that moment.
AUTO/MAN
Selects either manual or automatic reset of the distortion
RESET
meter indication. The distortion peak value continues to
(3-position
rise, so the meter must be reset each time before taking a
rotary
reading.
switch)
SW Pos
Action
AUTO
The
PERCENT
DISTORTION
meter
is
automatically
reset
at
4.5-second
intervals.
OFF
Disables the reset function.
MANUAL
Resets the PERCENT DISTORTION
meter
from peak indication.
TRANSITION
Toggle switch allows selection of either the mark-to-space
SELECT
or space-to-mark transition as marked.
Rotary switch
(toggle
allows selection of any one or all of the transitions,
switch and
whether they be mark-to-space or space-to-mark.
rotary
switch)
BAUD RATE
Arranges the analyzer to accept any of 12 keying rates.
(rotary
switch)
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