Operating Instructions

Glossary
Siemens Building Technologies, Inc. Glossary-3
LED
Light Emitting Diode.
Portable Operator’s Terminal
Laptop computer used with the CIS to communicate with FHMs.
SI units
Systeme International d’Unites. The international metric system.
Slave Mode
Default application that comes up when power is first applied to a factory new FHM. No
control action is initiated in the Slave Mode.