The emergency talkback unit shall be installed at suitable locations inside the coach, with the microphone/ loudspeaker positioned approx. 1.5m above the vehicle floor.
The function of emergency talkback unit is to provide communication between driver and passenger.
To illuminate legends on emergency talkback unit screen, high intensity LED is used along with light pipes.
The PCB incorporates all of the remaining electronics for the emergency talkback unit and the external interface connector is direct to the PCB.
Technical Specifications
Microphone pre-amplifier.
Pre-amplifier for loudspeaker.
Weight : 4 kg (approx.).
Approximate mechanical size: 129 mm (L) × 155 mm (H).