5-11
5.2.3 <white space>
<white space> is defined as follows.
<white space
character>
<white space character> is one of ASCII code bytes 00 to 09 and 0B to 20 (decimal values 0 to 9 and 11 to 32).
This range includes ASCII control codes and space signals (except NL). The device does not regard these codes as
ASCII control codes, but it regards them as spaces or skips them.
5.2.4 <PROGRAM MESSAGE>
<PROGRAM MESSAGE> is defined as follows.
<PROGRAM MESSAGE UNIT>
Refer to 5.2.6
<PROGRAM MESSAGE
UNIT SEPARATOR>
Refer to 5.2.5
<PROGRAM MESSAGE> is zero, a <PROGRAM MESSAGE UNIT> element, or a sequence of <PROGRAM
MESSAGE UNIT> elements. A <PROGRAM MESSAGE UNIT> element is a programming command or data
which is sent from a controller to a device.
A <PROGRAM MESSAGE UNIT SEPARATOR> element is used to separate two or more <PROGRAM MES-
SAGE UNIT> elements.
<Example 1> Program message for setting the center wavelength to 1.3058
µm
CNT 1305.8
<Example 2> Program message for setting the span to 1000 nm
CNT 13Ø5.8 ; SPN 1ØØØ
<PROGRAMMESSAGE>
<PROGRAMMESSAGEUNIT> <PROGRAMMESSAGEUNIT><PROGRAMMESSAGEUNITSEPARATOR>
5.2 Program Message Functional Elements