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Preamble
A preamble is a character or series of characters that is added to the beginning of a
decoded data string. Preamble characters will appear in the order that they are enabled
(left to right). For example, if you enable a comma and then a space, and then decode a
symbol containing the data 'ABC', your output will look like this:
,
ABC
The only limit to the number of preambles enabled is the total memory size available.
Important: Be sure to save all settings before reading any of the following preamble
symbols—otherwise your settings may be lost.
Save Settings
Set the desired preamble by reading the appropriate symbol below.
Serial Preamble
Comma
Carriage Return
Line Feed
SIMATIC MV340 User's Manual
Space
Erase All
Preamble Data
Note: To erase
all preamble
and postamble
data, read the
symbol at right:
Communications
Tab
Erase Preamble
and Postamble
Data
4-7
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