14221-1800-2050, Rev. G
4
TABLE OF CONTENTS
Section
Page
SELECT GROUP/CHANNEL AND BANK ................................................................... 43
The Effect of Distance from the Microphone .................................................... 50
Primary versus Secondary Microphone ........................................................... 50
When using a Self-Contained Breathing Apparatus (SCBA) Mask .................. 50
CHANNEL GUARD (ANALOG CONVENTIONAL ONLY) ........................................... 53