1. Important Cautions
2. Features
3. Specication
3.1 Control and power supply unit (CU)
3.2 Delegate and Chairman unit
4. Preparing Procedure
4.1 Connecting between the delegate and chairman units
4.2 Connecting up to 150 unit
4.3 Connecting an external microphone
4.4 Connecting a wireless microphone
4.5 External recording and playing
4.6 Connecting a PA-system | other external equipment
4.7 Connecting a telephone coupler
4.8 Connecting Equalizer or other effects
4.9 Connecting power cord
5. Operation
5.1 System testing
5.2 Date / time setting
5.3 Key Lock
5.4 Counter operation
5.5 Delegate unit operation
5.6 Chairman unit operation
5.7 Volume control of the delegate and chairman units
5.8 Volume control of headphone and internal speaker of CU
5.9 Using a headphone
5.10 Open mode
5.11 Time mode
5.12 Override mode
5.13 Chairman only mode
5.14 Built-in recording
6. Technical Data
6.1 Electrical and Electro-Acoustical Characteristics
6.2 Mechanical Specications
6.3 General Specications
6.4 Pin conguration
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