slow sequence
A usually slower secondary scan in the CRBasic program. The main scan has priority over
a slow sequence.
SMS
Short message service. A text messaging service for web and mobile device systems.
SMTP
Simple Mail Transfer Protocol. A TCP/IP application protocol.
SNP
Snapshot file.
SP
Space.
SPI
Serial Peripheral Interface - a clocked synchronous interface, used for short distance com-
munications, generally between embedded devices.
SRAM
Static Random-Access Memory
start bit
The bit used to indicate the beginning of data.
state
Whether a device is on or off.
Station Status command
A command available in most data logger support software.
Appendix A. Glossary
260