Service manual

Glossary
MERGEFORMAT ConfiguGlossaryal
Descriptionations
DCB, DCFCB and DCFCTB Models
97
Term
Description
SFCDWARE
Federal Commander Digital System software package
SINAD
Signal to noise and distortion ratio
SS2000
One-way or two-way digital encoder
STH10
Mechanical omni-directional siren
UHF
Ultra High Frequency ranging from 450 MHz to 470 MHz for most
applications
UL
Underwriters Laboratories Inc.
UltraVoice
Electronic siren controller
VAC
Standard measurement of horsepower, Volts AC current
VDC
Standard measurement of horsepower, Volts for DC current
VHF
Very High Frequency ranging from 150 MHz to 174 MHz for most
applications
VSWR
Voltage Standing Wave Ratio
Yagi
Antenna
Unidirectional antenna with gain (amplification)
2001-130
2001 Electro-mechanical siren