Imagine the flexibility of a product that can perform two functions and can even be reconfigured out at sea in case of emergencies! The TC4000 is capable of performing both the roles of a talkback system and an intercom.

(Spec the unit's physical location using the links above.)

Talkback Mode

A talkback system offers communication between one or more Master stations and a number of sub stations.

Master stations can call other Masters or any of the sub stations by selecting the appropriate channel number.

Sub stations call the Master by pressing their 'Call' button and once accepted by the Master enjoys hands free communication.

The Master speaks to all active stations by pressing the talk button.

Master and Bridge-Wing controlling one of each

sub-station in a talkback configuration.

Intercom (Group) Mode

The system can operate in group mode without the need for a Master station, although one station is usually given the role of Master.
All stations are permanently active and any station can talk to all the others by pressing the ‘Talk’ button.

No station has priority over any of the others in a configuration that is normally considered an intercom.

Intercom consisting of 3 stations with one acting as a master or monitor station.

Talkback Schematic 2 -

Talkback Schematic 3 -

Intercom Schematic 2

TC4000 Product Guide.