PSC PT Program Generator, Руководство пользователя

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Sounding a Beep
User’s Guide
157
Sounding a Beep
To sound a beep on a portable, use an
Output
node with the
Source
option set
to
Constant
and
Destination
set to
System
.
Figure 128. Output Beep Node
In the constant field, enter the human readable text of one of the following
codes:
You can enter more than one code, for multiple tones. For example,
.+.-.+
sounds a high beep followed by a low beep followed by another high beep.
Padding a Number with Leading Zeros
Many database programs use
fixed-length fields,
which means that values stored
in them must be a given number of characters long. Values with fewer than the
required characters can be “padded” with zeros at the beginning; the value 12,
for example, would appear as
0012
.
Tip14.scrn
, illustrated in
Figure 129
on page 158
uses a combination of
Modify
nodes,
Copy
nodes, and two tem-
plates to pad a number with leading zeros.
Sounds a high beep
Sounds a low beep
. +
. -
2342.book Page 157 Thursday, July 22, 2004 8:35 AM