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Information displays

• General description of LCD technology
• LCD displays (characters)
• Advantages of LCD Display Technology
• LED – LCD Comparison
• communication possibilities

Clock systems

• NIS-netTime, the self-monitoring network clock system
• NIS-TELNU - The intelligent clock system
• Comparison of NIS TELNU and Other Clock Systems
• Clock Operating Modes
• General Description of the DCF77 Time Signal Transmitter

General information

• The Earth's Time Zones
• Global Positioning System (GPS)