Important Note ................................................................... 2
Intrinsic Safety (IS) Information ...................................... 3
Warning! FCC RF Exposure Requirements .................... 4
Controls & Connectors (16-Key Version) ........................ 6
Controls & Connectors (4-Key Version) .......................... 7
Controls & Connectors (Non-LCD Version) ................... 8
LCD Icons & Indicators (16- & 4-Key Versions) ............ 9
Battery Terminals ............................................................. 10
Before You Begin .............................................................. 11
Battery Pack Installation and Removal ....................... 11
Battery Charging (VAC-UNI: CD-58/PA-55) ............. 12
Battery Charging (VAC-920: CD-31/PA-42) .............. 14
Low Battery Indication ............................................... 15
Operation .......................................................................... 16
Preliminary Steps ........................................................ 16
Operation Quick Start ................................................. 16
Automatic Time-Out Timer......................................... 18
Advanced Operation ........................................................ 19
Programmable Key and Toggle Switch Functions ..... 19
Description of Operating Functions ........................... 22
ARTS™ (Auto Range Transpond System) .................... 30
DTMF Paging System ...................................................... 31
LOCK ................................................................................ 31
User Set Mode................................................................... 32
Optional Accessories ........................................................ 34
Warranty Policy ............................................................... 36