136
NMEA Sentence Output
The NMEA-0183 is output in text format with each item separated by a comma (,) and sentences
separated by a new line code (CRLF). The checksum is added up at the line end. The checksum
calculates the XOR’ed value of character data enclosed by $ , ' and * in hexadecimal string values.
Table 2.102
$ Sentence-identifying
character ,
value (, value)…
*Checksum
CRLF
Multiple sentence types are defined.
Some data containing broken sentences may be read depending on when the GPS is opened and
read. NMEA sentence data can be properly interpreted use programming procedures such as those
listed below.
•
Detect head of sentence using $ character.
•
Detect end of sentence using line break (CRLF) code.
•
Discard broken sentences verified with checksum.
Содержание IT-800 Series
Страница 15: ...15 2 1 4 Keys Keyboard Layout The following is the keyboard layout employed in the terminal Figure 2 1 ...
Страница 91: ...91 QR Code Enable 0 Min 1 Max 3500 Aztec Enable 0 Min 1 Max 3750 TLCode39 Enable 0 Code 32 Enable 0 ...
Страница 173: ...173 Copyrights Tab This tab is for displaying the OS copyright information Figure 3 19 ...
Страница 179: ...179 Root Tab Figure 3 27 Root certificates authenticate certificates received from other hosts ...
Страница 195: ...195 About Tab This tab displays current version information of the imager setting tool Figure 3 46 ...
Страница 201: ...201 Date Tab This tab is for setting display format of date Figure 3 56 ...
Страница 213: ...213 3 29 Windows Update This applet is used to keep the integrated operating system up to date Figure 3 74 ...
Страница 216: ...216 3 32 Domain Enrollment This applet is used to enroll the terminal to your company network Figure 3 78 ...
Страница 247: ...247 4 2 Games The terminal comes with two games Solitaire and Bubble Breaker Figure 4 2 ...
Страница 248: ...248 4 3 ActiveSync This application is an ActiveSync client program for the terminal to communicate with PC Figure 4 3 ...
Страница 255: ...255 4 5 Calculator The application can be used to operate nine digit calculator Figure 4 11 ...
Страница 261: ...261 2 On the child terminal the following screen appears while the child terminal is receiving data Figure 4 17 ...
Страница 264: ...264 4 11 Getting Started This application displays shortcut menus for setting up the terminal Figure 4 21 ...