SMART TWO WAY COMMUNIATION SYSTEM
This compact zonal paging system uses a user supplied DTMF telephone instrument of his choice at the operator end. Two instruments can be connected to the system though one works at a time. When one instrument is in use the other gets a busy tone.
Slave speakers are connected radially. Zone/s are selected using the keypad of telephone instrument. ‘Start’, ‘Send’ or ‘Receive’ functions are also executed using the keypad.
The number of zones is limited to eight. A suitable power amplifier is included hence no external equipment is required. A volume control, bar graph and chime are included in the Decoder Amplifier.
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1. ANNOUNCEMENT BY OPERATOR
• Operator can make announcement to required zone/s.
• Facility for “All Call” is available.
• A Chime precedes announcement.
• Auxiliary input is available for broadcasting prerecorded message to selected zones.
2. MONITORING:
• There is a facility for MONITORING from the zone speaker; what ever is spoken in the zone speaker will be heard in the handset.
• Operator can toggle audio function between ‘Receive’ and ‘Send’.
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