:,::
S-ECTION
MITL91
OW911
O-096-350~NA
symbol is a rectangle with semicircular ends. Text is centered in the
symbol.
THE OPERATOR’S USE OF MAPS
Experienced Operator
Al.10 For the experienced operator to complete a task using a MAP,
reference to the sequential short form level one steps is usually
all that is necessary. Using Figure Al-l as an example, the experienced
operator would proceed as follows.
Al.11 At
(l),
makes a decision based on the information within the
block. If the answer is YES the operator must proceed to a
different MAP. If the answer is NO the operator is faced with another
decision at block (2).
Al.12 At
(2),
if the decision is NO there is no requirement to proceed
further and the test is abandoned. This naturally results in a
FINISH block If the decision is YES the operator proceeds to (3) and (4)
in succession; i.e., dials the DID station number and completes the call
to the check extension.
Al.13 The description of the instructions carried out in paragraphs
Al.05 and Al.06 have assumed that the level of competence of
the operator is such that short form level one steps contain sufficient
information, and therefore the operator reads only the center column
of the MAP, top to bottom of the page.
Inexperienced Operator
Al.14 If the operator’s experience is such that the level one instruc-
tions do not contain sufficient information, the level two
sub-
steps should be referred to as follows.
Al.15 Using Figure Al-l as an example the path followed should be:
(a)
At (1) and (2) make the decisions called for at these steps as
before.
(b) At Step (3) dial the DID station number by performing
substeps
(3A),
(3B) and (3C).
In terms of steps and substeps, the operator follows a decision, and
then follows the step and
substep
paths in the example shown.
TOOLS, TEST EQUIPMENT AND SPECIAL INSTRUCTIONS
.
-
0
m.
Al.16 Any tools, test equipment or special instructions that the oper-
ator requires or needs to know are stated on the first page of
each MAP. If the MAP is long, and contains a number of
subproce;
dures, these are listed in synopsis form on the first page.
Page A-3
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