B921C 双行键盘,带触摸按键,输入
• 2-line LCD display with up to 32 character point, user, and area names
• Capacitive touch keys clean easily and are more resistant to wear than traditional mechanical buttons
• Situation sensitive on-screen help makes system operation simple and easy
• Highly visible on (arm)/alarm, ready to turn on (arm), power, trouble, and gas alarm indicators
• Four inputs provide simple, lower-cost point expansion
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