ENGLISH
CONTENTS
2. INSTALLATION ....................................................................................................................................... 12
3. BUTTON FUNCTIONS ............................................................................................................................ 13
3.1. INDICATOR LEDS ......................................................................................................................... 13
3.2. RESET ............................................................................................................................................ 14
5. MUTE RING-TONE SPEAKER ................................................................................................................ 14
7.2.1. DIRECT MODE ..................................................................................................................... 15
7.2.3. RADIO BUS MODE .............................................................................................................. 15
8. TECHNICAL SPECIFICATIONS .............................................................................................................. 17
9. KEY TO SYMBOLS ................................................................................................................................. 17
10
DS1750-014B