B920 双行字母数字键盘(SDI2)
• 2-line LCD display with up to 32 character point, user, and area names
• Simple menu-style user interface with dedicated function buttons for common commands, including status indication
• Situation sensitive on-screen help makes system operation simple and easy
• Highly visible on (arm)/alarm, ready to turn on (arm), power and gas alarm indicators
• Simple installation with self-locking base and chassis design, plus built-in bubble level
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