scope:

- The equipment covered by this specification is a transmitting and receiving page printing telegraph set, which may be operated into, or out of, a converter for use over half duplex (simplex) or full duplex radio communication links between aircraft and properly equipped surface stations or other aircraft.

- The Teletypewriter TT-264/AG shall be of one type and shall consist of the following items:

Appl. Items Type Designation Para. Transmitting Keyboard (*) 3.3.1 Receiving Page Printer (*) 3.3.2 Connecting Chassis (including Internal line battery supply) (*) 3.3.3 Airborne type carrying case (*) 3.3.4 Automatic Paper Winder (*) 3.3.5 Mounting (*) 3.3.4.2 NOTE: (*) See paragraph 6.2.

- The equipment shall be capable of operating with the following equipments which are not to be supplied as part of this equipment.

Unit Type Designation Radio Set AN/ARC-38 (Modified for FSK operation) Keyer, Frequency Shift KY-302/ARC-38 Collins Radio Co. Model 706B-1 or an approved equivalent equipment Control, FSK Collins Radio Co. Model 614C-4 or an approved equivalent equipment