D621 Series user's guide, introduces the use of the LED keypad and the basic operations of the system
This guide explains how to use and maintain the Bosch D621 Series LED keypad. It describes basic functions such as turning the system on and off, programming commands, and handling alarms.
The manual also provides details on system basics, point types, keypad LEDs, troubleshooting, and cleaning procedures, helping users operate their security system safely and effectively.