Description
Purpose
- Used with compatible Hexing prepaid electricity meters.
- Lets users enter prepaid electricity tokens.
- Displays electricity credit, usage, and meter status.
- Installed inside the home while the meter is usually outside.
Main Features
- Large LCD screen for easy reading.
- Numeric keypad for entering 20-digit STS prepaid tokens.
- Real-time communication with the electricity meter.
- Low-credit warning with visual and audible alarms.
- Battery-powered display when unplugged (depending on model).
- Stores and displays important meter information.
Basic Operation
- Plug the CIU into a wall socket.
- Enter a 20-digit electricity token followed by the Enter (
#) key. - The CIU sends the token to the meter.
- If valid, the meter updates the available electricity credit.
- The remaining balance is displayed after successful communication.



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