Avionics & Airborne LRUs
Communication Systems
Intercom System for Cheetah Helicopter
STATION BOX TYPE: CH-IC-1
Crew intercom and transmit channel selector
The Station Box CH-IC-1 houses the amplifier with anti-cross talk network, channel selection rotary switch, panel lamp, relay and volume control potentiometers. It enables intercom between crew members in all normal switch positions, with emergency intercom available if the amplifier fails. When the relay is energised, the microphone is coupled to the transmitting channel selected by the channel selection rotary switch.
KEY DETAILS
• Solid-state amplifier with anti-cross talk network • Channel selection rotary switch • Panel lamp and relay control • Volume control potentiometers • Emergency intercom on amplifier failure
