Operation Manual

Bosch Security Systems, Inc.
Technical Manual
F.01U.196.221
Rev. 08
CHAPTER 2
Configuration and Installation
CAUTION: The Ascend was designed for use in multiple application settings. When using the headset in an aviation
application, use the following sections to verify the proper configuration and settings.
Before First Use
Battery Charging
For information on charging the battery, see “Charge the Battery” on page 32.
Battery Installation
For information on installing the battery, see “Remove and Replace Modules” on page 19.