
Features
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- 5 Primary Operator Keys and Systems Status LEDs
- Expansion Slot Cards for 4120 Network Interface, RS-232, or DACT modules
- Advanced Operator Keys for Programming and Maintenance
- Site-programmable Status Indicators
- Battery Meter Module or 24vdc Power Distribution Block
- Optional City Circuit Module
- 80-Character LCD Display, with up to 40 characters for Custom Label Information
- 4 Amp Expansion Power Supply
- One-Piece Chassis
- "Device Level" Ground Fault Search
- Auto Programming
- "Almost" Dirty Detector Maintenance Report
- "Peak Value" Logging
- Automatic Drift Compensation
- Compatible with TrueAlert Addressable Notification Appliances
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